Merck-Life-Science-Price-List-2016-17

Product Order Pack Unit Price Product Order Pack Unit Price Product Order Pack Unit Price No. ` No. ` No. ` Nerolidol (mixture of cis- and trans- Nickel(II) nitrate hexahydrate for analysis Nitric acid 10 mol/l TitriPUR® isomers) for synthesis EMSURE® ACS 1.00630.1000 C 1l 6980 7212-44-4 100 ml 12670 13478-00-7 100 g 6380 Nitric acid 60% Ultrapur Laboratory Reagents & Chemicals 8.18553.0100 1.06721.0100 250 g 8510 21230 1.01518.0250 C 250 ml 74270 1.06721.0250 1 Kg 97370 Nessler’s reagent A for determination 1.01518.0500 500 ml 165020 1.06721.1000 of nitrogen Solution A : potassium 1.01518.1000 C 1l tetraiodomercurate(II) solution Nickel(II) sulfate hexahydrate extra pure Nitric acid 65% for analysis (max. 1.09011.0500 500 ml 21050 10101-97-0 0.005ppm Hg) EMSURE® ISO 1.06726.1000 Nessler’s reagent B for determination of 1 Kg 14330 1.00452.1000 C 1l 4060 7950 nitrogen solution B: Sodium hydroxide Nickel(II) sulfate hexahydrate for analysis 1.00452.2500 2.5 l EMSURE® ACS solution Nitric acid 65% extra pure 1.09012.0500 500 ml 7180 10101-97-0 1.00443.1000 C 1l 2620 1.06727.0100 5130 Nessler’s reagent for ammonium salts 100 g 5610 1.00443.2500 2.5 l 1.06727.0250 250 g 7470 1.09028.0100 100 ml 2870 18670 Nitric acid 65% for analysis EMSURE® ISO 1.06727.1000 1 Kg 1.09028.0500 500 ml 9410 1.00456.1000 C 1 l 3110 N-(1S)-Ethoxycarbonyl-3-phenylpropyl- Nickel(II) acetylacetonate for synthesis 1.00456.2500 2.5 l 6120 (S)-alanine for synthesis 3264-82-2 1.00456.2510 Safe break 2.5 l 6430 8.06715.0025 82717-96-2 5 g 4610 25 g 5320 Nitric acid 65% Suprapur® 8.40113.0005 8.06715.0100 100 g 13670 1.00441.0250 C 250 ml 13860 31140 Neutral red (C.I. 50040) indicator and for Nickel(II) chloride anhydrous for synthesis 1.00441.1000 1l microbiology 7718-54-9 100 g 13670 Nitric acid 69% for analysis EMSURE® 8.06722.0100 553-24-2 ACS,Reag. Ph Eur 1.01369.0025 25 g 9730 100 g 34050 Nicotinamide test substance for elemental 1.01799.1000 C 1 l 3280 1.01369.0100 analysis 1.01799.2500 2.5 l 6420 Nickel-aluminium alloy (powder) for the 98-92-0 1.01799.2510 Safe break 2.5 l 6750 production of Raney nickel for synthesis 1.06828.0005 5 g 4570 Nitric acid for 1 l measure solution, 12635-29-9 Ninhydrin GR for analysis ACS,Reag. Ph c(HNO3) = 0.1 mol/l (0.1 N) Titrisol® 8.06749.0005 Eur 5g 4070 1.09964.0001 1 ST 4050 8.06749.0250 250 g 17770 46050 485-47-2 Nitric acid for 1000 ml, c(HNO3) = 1 mol/l 8.06749.1000 1 Kg 1.06762.0010 10 g 5260 (1 N) Titrisol® 1.06762.1000 Nickel boride for synthesis 1 Kg 207310 1.09966.0001 C 1 ST 3380 12007-01-1 10 g 6860 Ninhydrin GR for analysis ACS,Reag. Ph Nitric acid fuming 100% extra pure 8.43836.0010 Eur 7697-37-2 Nickel ICP standard traceable to SRM from 485-47-2 1.00450.1000 S 1 l 25700 1.06762.0100 NIST Ni(NO3)2 in HNO3 2-3% 1000 mg/l 100 g 25520 Nitric acid fuming 100% for analysis EMSURE® ACS,Reag. Ph Eur Ni CertiPUR® Niobium ICP standard traceable to SRM 1.70336.0100 100 ml 19000 from NIST NH4NbF6 in H2O 1000 mg/l Nb 7697-37-2 1.00455.1000 S Nickel ICP standard traceable to SRM from CertiPUR® 1 l 30590 NIST Ni(NO3)2 in HNO3 2-3% 10000 mg/l 1.70337.0100 100 ml 32100 1,1’,1”-Nitrilotri-2-propanol for synthesis Ni CertiPUR® Niobium(V) oxide 99+ 122-20-3 8.08236.0100 1.70382.0100 100 ml 38010 1313-96-8 100 g 3730 1.06868.0100 8.08236.1000 1 Kg 4740 Nickel powder 99+ 100 g 17720 7440-02-0 250 g 21850 Niobium(V) chloride 98+ Nitrite standard solution traceable to SRM 1.12277.0250 1 Kg 51760 1.12277.1000 10026-12-7 from NIST NaNO2 in H2O 1000 mg/l NO2 1.12285.0100 100 g 41410 CertiPUR® Nickel standard 1000 mg Ni, (NiCl2 in 1.19899.0500 500 ml 3530 H2O) Titrisol® Nitrate standard solution traceable to SRM Nitrite standard 1000 mg NO2(NaNO2 in 1.09989.0001 1 ST 5800 from NIST NaNO3 in H2O 1000 mg/l NO3 H2O) Titrisol® Nickel standard solution traceable to SRM CertiPUR® 1.09866.0001 1 ST 3170 from NIST Ni(NO3)2 in HNO3 0.5 mol/l 1.19811.0500 500 ml 6140 2-Nitro-1,4-phenylenediamine for synthesis 1000 mg/l Ni CertiPUR® 3-Nitro-benzeneboronic acid Msynth®plus 1.19792.0100 100 ml 4440 13331-27-6 5 g 33830 5307-14-2 8.45114.0005 8.20899.0100 1.19792.0500 500 ml 6210 100 g 9790 8.20899.0500 500 g 33180 Nickel(II) chloride hexahydrate for analysis 3-Nitro-benzeneboronic acid for synthesis EMSURE® ACS 13331-27-6 4-Nitro-1,2-phenylenediamine for 7791-20-0 8.41141.0001 1g 5960 synthesis 1.06717.0250 5g 23690 250 g 9510 8.41141.0005 500 mg 99-56-9 100 g 10950 1.06717.1000 1 Kg 23760 5520 8.06294.0100 8.41141.8500 S : The items can be transported only by Sea Freight AL : Aluminium PE : Polyethylene 149 C : The items can be transported by Air Cargo GA : Glass Ampoule SB: Septum Bottle B : The items can be supplied against end user order copy only GB : Glass Bottle ** : PO & EUD Required

Part 2 Advanced Analytics Product Order Pack Unit Price Product Order Pack Unit Price Product Order Pack Unit Price No. ` No. ` No. ` 4-Nitro-1,3-phenylenediamine (moist) for 3-Nitrobenzaldehyde for synthesis 4-Nitrobenzoyl chloride for synthesis synthesis 99-61-6 122-04-3 8.06765.0005 8.06772.0005 8.40107.0025 25 g 9630 5g 3940 5g 3940 8.06765.0250 250 g 7380 8.06772.0250 250 g 8900 2’-Nitroacetanilide for synthesis 4-Nitrobenzaldehyde for synthesis 2-Nitrobenzyl alcohol for synthesis 552-32-9 8.20879.0025 25 g 7990 555-16-8 25 g 5650 612-25-9 25 g 12890 100 g 20500 8.06766.0025 100 g 16410 8.20888.0025 8.20879.0100 8.06766.0100 3’-Nitroacetanilide for synthesis 3-Nitrobenzyl alcohol for synthesis 122-28-1 Nitrobenzene for synthesis 619-25-0 8.14647.0025 8.18159.0025 25 g 7600 98-95-3 25 ml 10360 8.06770.0100 4’-Nitroacetanilide for synthesis 100 ml 3920 4-Nitrobenzyl alcohol for synthesis 8.06770.1000 1l 5980 104-04-1 25 g 7610 C 9490 619-73-8 25 g 7660 8.20880.0025 100 g 26500 8.06770.2500 2.5 l 8.20889.0025 100 g 20600 8.20880.0100 3-Nitrobenzenesulfonic acid sodium salt for 8.20889.0100 synthesis 2-Nitrobenzyl bromide for synthesis 2’-Nitroacetophenone for synthesis 127-68-4 8.06548.0100 3958-60-9 577-59-3 10 g 7270 100 g 3520 8.41418.0005 5 g 10150 8.22105.0010 8.06548.1000 1 Kg 8910 4-Nitrobenzyl bromide for synthesis 3’-Nitroacetophenone for synthesis 2-Nitrobenzenesulfonyl chloride for synthesis 100-11-8 121-89-1 8.20212.0025 25 g 6840 8.06207.0250 250 g 8080 1694-92-4 8.42593.0025 25 g 8350 2-Nitrobenzyl chloride for synthesis 4’-Nitroacetophenone for synthesis 100 g 21310 8.42593.0100 612-23-7 8.41296.0010 100-19-6 5g 3160 3-Nitrobenzenesulfonyl chloride for 10 g 15950 8.06217.0005 250 g 7100 synthesis O-(4-Nitrobenzyl)-hydroxylammonium 8.06217.0250 121-51-7 chloride for synthesis 8.42824.0025 2-Nitroaniline for synthesis 25 g 16420 2086-26-2 8.41326.0001 88-74-4 4-Nitrobenzenesulfonyl chloride for 1 g 19280 8.20881.0005 synthesis 5g 3280 4-(4-Nitrobenzyl)pyridine for synthesis 8.20881.0250 250 g 4070 8910 98-74-8 25 g 12770 1083-48-3 25 g 14880 8.20881.1000 1 Kg 8.20885.0025 100 g 39680 8.20890.0025 100 g 45270 3-Nitroaniline for synthesis 8.20885.0100 8.20890.0100 99-09-2 5g 3430 5-Nitrobenzimidazole for synthesis 2’-Nitrocinnamaldehyde for synthesis 8.06209.0005 250 g 9700 29620 94-52-0 100 g 9950 1466-88-2 10 g 4830 8.06209.0250 1 Kg 8.18257.0100 8.18597.0010 8.06209.1000 2-Nitrobenzoic acid for synthesis 2’-Nitrocinnamic acid for synthesis 4-Nitroaniline for synthesis 552-16-9 612-41-9 8.41472.0100 8.20912.0025 100-01-6 250 g 5320 100 g 11210 25 g 10550 8.22292.0250 1 Kg 11940 3-Nitrobenzoic acid for synthesis 4’-Nitrocinnamic acid for synthesis 8.22292.1000 121-92-6 882-06-4 4-Nitroaniline for the determination of 8.00645.0250 250 g 3830 8.18563.0025 25 g 8090 phenol 4-Nitrobenzoic acid for synthesis Nitroethane for synthesis 100-01-6 1.06760.0050 50 g 14230 62-23-7 100 g 4280 79-24-3 100 ml 5320 8.00646.0100 500 g 7350 8.06843.0100 500 ml 10070 2-Nitroanisole for synthesis 8.00646.0500 8.06843.0500 91-23-6 250 ml 5750 3-Nitrobenzoic acid sodium salt for 2-(2-Nitroethyl)-1,3-dioxolane for 8.06227.0250 synthesis synthesis 3-Nitroanisole for synthesis 827-95-2 100 g 3730 82891-99-4 1 ml 15740 8.22106.0100 500 g 13050 8.14136.0001 555-03-3 8.20882.0010 10 g 10460 8.22106.0500 3-Nitro-1H-1,2,4-triazole for synthesis 50 g 42650 8.20882.0050 3-Nitrobenzonitrile for synthesis 24807-55-4 8.18312.0001 9-Nitroanthracene for synthesis 619-24-9 25 g 13690 1 g 8190 8.18412.0025 8.18312.0005 5 g 39440 602-60-8 8.41263.0001 1g 3650 4-Nitrobenzonitrile for synthesis 5-Nitro-1H-indazole for synthesis 2-Nitrobenzaldehyde for synthesis 619-72-7 25 g 12170 5401-94-5 100 g 10020 8.18589.0025 8.18283.0100 552-89-6 8.22293.0001 1g 4440 4-Nitrobenzophenone for synthesis 2-Nitroimidazole for synthesis 25 g 7860 8.22293.0025 100 g 27690 1144-74-7 10 g 5900 527-73-1 500 mg 22770 8.41090.0010 8.24465.0500 8.22293.0100 150 MERCKgroup.com For enquiries write to [email protected]

Product Order Pack Unit Price Product Order Pack Unit Price Product Order Pack Unit Price No. ` No. ` No. ` 4-Nitroimidazole for synthesis (4-Nitrophenyl)acetonitrile for synthesis 2-Nitrotoluene for synthesis 3034-38-6 50 g 15170 555-21-5 50 g 7890 88-72-2 100 ml 4410 8.41702.0050 8.20897.0050 8.06806.0100 1l 8600 8.06806.1000 6-Nitroindazole for synthesis 2-(4-Nitrophenyl)-1-bromoethane for Laboratory Reagents & Chemicals synthesis 7597-18-4 3-Nitrotoluene for synthesis 8.43176.0025 25 g 11440 5339-26-4 99-08-1 100 ml 3940 8.41283.0005 8.06805.0100 1l 10770 5-Nitroisoquinoline for synthesis 5 g 11480 8.06805.1000 607-32-9 2-Nitrophenylacetic acid for synthesis 4-Nitrotoluene for synthesis 8.43161.0005 8.43161.0025 5g 9490 3740-52-1 25 g 10020 99-99-0 100 g 4070 25 g 30610 8.20900.0025 8.06807.0100 1 Kg 9220 8.06807.1000 Nitromethane for synthesis 4-Nitrophenylacetic acid for synthesis 75-52-5 250 ml 5690 104-03-0 25 g 3480 2-Nitro-4-(trifluoromethyl)benzonitrile for 8.20894.0250 S 1l 20840 8.00599.0025 100 g 11180 synthesis 8.20894.1000 S 8.00599.0100 778-94-9 1-Nitronaphthalene for synthesis 4-(4-Nitrophenylazo)-1-naphthol for 8.41510.0001 1 g 6330 synthesis 86-57-7 100 g 3430 2-Nitro-m-xylene for synthesis 8.06291.0100 500 g 5040 5290-62-0 8.06291.0500 8.41435.0010 10 g 10550 81-20-9 100 ml 7920 8.41563.0100 2-Nitrophenol for synthesis 4-(4-Nitrophenylazo)-resorcinol for synthesis 3-Nitro-o-xylene for synthesis 88-75-5 8.06790.0100 100 g 4070 74-39-5 25 g 11760 83-41-0 100 ml 7610 8.06790.0500 500 g 5340 8.41713.0025 8.41556.0100 3-Nitrophenol for synthesis 3-Nitrophthalic acid for synthesis 4-Nitro-m-xylene for synthesis 554-84-7 5g 5630 603-11-2 100 g 7770 89-87-2 25 ml 6280 8.20895.0005 25 g 17680 8.00649.0100 8.41547.0025 8.20895.0025 100 g 49440 8.20895.0100 4-Nitrophthalic acid for synthesis 4-Nitro-o-xylene for synthesis 4-Nitrophenol indicator 610-27-5 100 g 16870 99-51-4 100 g 7810 8.00650.0100 8.41555.0101 100-02-7 3-Nitrophthalic anhydride for synthesis n-Nonadecane for synthesis 1.06798.0100 100 g 23680 641-70-3 629-92-5 10 g 4980 8.20903.0025 8.22110.0010 25 g 6280 3-Nitrophenol indicator 25 g 13650 25 g 7890 8.22110.0025 100 g 16140 554-84-7 8.20903.0100 100 g 28070 8.22110.0100 1.06794.0025 1-Nitropropane for synthesis 1-Nonadecanol for synthesis 4-Nitrophenol indicator 100-02-7 25 g 7200 108-03-2 250 ml 6160 1454-84-8 1g 4980 1.06798.0025 8.06851.0250 1l 17770 8.21856.0001 5g 18440 8.21856.0005 8.06851.1000 4-Nitrophenol (stabilized with max. 5% 3-Nitropropyl-2-tetrahydropyranyl ether Nonanal for synthesis water) for synthesis for synthesis 124-19-6 8.07166.0050 100-02-7 100 g 12390 107833-76-1 50 ml 6490 8.14558.0100 1 Kg 88470 8.14169.0001 8.14558.1000 1 ml 8190 n-Nonane for synthesis 2-Nitrophenyl-ß-D-galactopyranoside for 4-Nitropyridine-1-oxide for synthesis 111-84-2 100 ml 8550 synthesis 8.06838.0100 250 ml 13950 1124-33-0 10 g 6230 8.06838.0250 43700 369-07-3 8.41754.0010 8.06838.1000 1l 8.41747.0001 1 g 7350 4-Nitropyrocatechol for synthesis 1,9-Nonanediol for synthesis 4-Nitrophenyl acetate for synthesis 3316-09-4 5g 5700 3937-56-2 8.20892.0005 8.41835.0025 830-03-5 25 g 8810 8.43075.0025 25 g 12550 Nitrosobenzene for synthesis Nonanoic acid for synthesis 4-Nitrophenyl chloroformate for synthesis 586-96-9 8.20906.0010 10 g 16680 112-05-0 7693-46-1 8.07167.0100 100 ml 4280 8.20272.0010 10 g 9800 ß-Nitrostyrene for synthesis 8.07167.1000 1l 6840 8.20272.0025 25 g 19560 102-96-5 1-Nonanol for synthesis 8.18165.0025 25 g 22660 4-Nitrophenyl isothiocyanate for synthesis 143-08-8 8.06866.0100 2131-61-5 Nitrosyl tetrafluoroborate for synthesis 8.06866.0250 100 ml 4070 8.41342.0010 250 ml 6160 10 g 9800 14635-75-7 8.10569.0005 1-(4-Nitrophenyl)-1,2,3-propanetriol for 5 g 11400 2-Nonanol for synthesis synthesis 2-Nitrothiophene for synthesis 628-99-9 8.18793.0025 2207-68-3 1 g 30250 609-40-5 10 g 12550 8.18793.0100 25 ml 5610 8.20902.0001 8.42600.0010 100 ml 12960 S : The items can be transported only by Sea Freight AL : Aluminium PE : Polyethylene 151 C : The items can be transported by Air Cargo GA : Glass Ampoule SB: Septum Bottle B : The items can be supplied against end user order copy only GB : Glass Bottle ** : PO & EUD Required

Part 2 Advanced Analytics Product Order Pack Unit Price Product Order Pack Unit Price Product Order Pack Unit Price No. ` No. ` No. ` 3-Nonanol for synthesis 25 ml 8490 Magnisolv® Solvents Chloroform-D1 with TMS (1 vol.%), for NMR Spectroscopy deuteration degree min. 99.5 % for NMR 624-51-1 spectroscopy (stabilized with silver) 8.18784.0025 MagniSolv(TM)** 4-Nonanol for synthesis 25 ml 15320 865-49-6 25 ml 4080 1.13359.0025 GB 100 ml 12310 5932-79-6 8.18773.0025 1.13359.0100 GB 5-Nonanol for synthesis 25 ml 4670 Chloroform-D1 deuteration degree min. 99.96% for NMR spectroscopy 623-93-8 MagniSolv(TM)** 8.18792.0025 gamma-Nonanolactone for synthesis 865-49-6 1.02446.0009 104-61-0 100 ml 11920 10x.75 ml GA 7.5 ml 5640 8.43783.0100 500 ml 29820 1.02446.0010 GA 10 ml 5410 GB 25 ml 9840 8.43783.0500 1.02446.0025 GB 100 ml 29830 2-Nonanone for synthesis 1.02446.0100 821-55-6 25 ml 3160 Chloroform-D1 deuteration degree min. 8.18790.0025 100 ml 7670 99.8% for NMR spectroscopy (stabilized with silver) MagniSolv(TM)** 8.18790.0100 3-Nonanone for synthesis 865-49-6 1.03420.0025 925-78-0 50 ml 7170 GB 25 ml 3080 8.18576.0050 1.03420.0100 GB 100 ml 7800 GB 500 ml 34840 5-Nonanone for synthesis 1.03420.0500 502-56-7 Acetone-D6 deuteration degree min. Chloroform-D1 0.03 vol.% TMS, 8.03538.0100 deuteration degree min. 99.8% for NMR 100 ml 4930 99.96% for NMR spectroscopy Uvasol® spectroscopy (stabilized with silver) MagniSolv(TM)** Nonanoyl chloride for synthesis MagniSolv(TM)** 666-52-4 764-85-2 1.11969.0009 10x.75 ml GA 7.5 ml 17560 8.07171.0025 25 ml 3460 Acetone-D6 deuteration degree 865-49-6 GB 25 ml 3060 8.07171.0100 100 ml 9840 min. 99.9% for NMR spectroscopy 1.03296.0025 GB 100 ml 5350 MagniSolv(TM)** GB 500 ml 31680 Nonylamine for synthesis 1.03296.0100 112-20-9 1.03296.0500 8.06845.0025 25 ml 17770 666-52-4 10x.5 ml GA 5 ml 5620 Deuterium oxide deuteration degree 1.00021.0005 10x.75 ml GA 7.5 ml 8030 min. 99.96% for NMR spectroscopy 2,5-Norbornadiene (stabilised) for SB 10 ml 9700 MagniSolv(TM)** synthesis 1.00021.0009 GB 25 ml 17660 GB 100 ml 53500 7789-20-0 121-46-0 250 ml 19440 1.00021.0010 1.03428.0005 10x.5 ml GA 5 ml 5760 8.20918.0250 10x.75 ml GA 7.5 ml 6390 1.00021.0025 1.03428.0009 SB 10 ml 7730 GB 100 ml 42490 1.00021.0100 1.03428.0010 O-(5-Norbornen-2,3- Acetonitrile-D3 deuteration degree 1.03428.0100 dicarboximido)-N,N,N’,N’- min. 99,96% for NMR spectroscopy tetramethyluroniumtetrafluoroborate for MagniSolv(TM)** synthesis 2206-26-0 GA 1 ml 6790 Deuterium oxide deuteration degree 125700-73-4 10 g 13890 1.13753.0001 10x.75 ml GA 7.5 ml 35420 min. 99.9% for NMR spectroscopy 8.40046.0010 MagniSolv(TM)** 1.13753.0009 Norbornene (stabilized) for synthesis Acetonitrile-D3 deuteration degree 7789-20-0 10x.75 ml GA 7.5 ml 5790 min. 99% for NMR spectroscopy 1.13366.0009 SB 10 ml 6080 498-66-8 250 g 6160 MagniSolv(TM)** GB 25 ml 11040 8.18796.0250 1.13366.0010 GB 100 ml 33430 DL-Norvaline for synthesis 2206-26-0 10 ml 15260 1.13366.0025 1.02904.0010 SB 1.13366.0100 760-78-1 25 g 7890 Benzene-D6 deuteration degree Dichloromethane-D2 deuteration degree 8.41562.0025 min. 99,96% for NMR spectroscopy min. 99.96% for NMR spectroscopy MagniSolv(TM)** MagniSolv(TM)** D-Norvaline for synthesis 1g 6330 1076-43-3 10x.75 ml GA 7.5 ml 21120 1665-00-5 10x.5 ml GA 5 ml 51470 2013-12-9 5g 29930 1.01766.0009 GA 10 ml 24330 1.04200.0005 10x.75 ml GA 7.5 ml 67140 8.41327.0001 GA 10 ml 74600 8.41327.0005 1.01766.0010 1.04200.0009 L-Norvaline for synthesis Benzene-D6 deuteration degree 1.04200.0010 min. 99.6% for NMR spectroscopy 6600-40-4 1g 6430 MagniSolv(TM)** Dichloromethane-D2 deuteration degree 8.41505.0001 min. 99.8% for NMR spectroscopy Uvasol® MagniSolv(TM)** N1-2-Thiazolylsulfanilamid for synthesis 1076-43-3 1.01789.0009 72-14-0 5g 2990 10x.75 ml GA 7.5 ml 10670 1665-00-5 10x.75 ml GA 7.5 ml 38660 8.21112.0005 250 g 10980 1.01789.0010 SB 10 ml 12930 1.13720.0009 GA 10 ml 42520 GB 100 ml 71050 8.21112.0250 1.01789.0100 1.13720.0010 152 MERCKgroup.com For enquiries write to [email protected]

Product Order Pack Unit Price Product Order Pack Unit Price Product Order Pack Unit Price No. ` No. ` No. ` Dimethyl sulfoxide-D6 deuteration degree Methanol-D4 deuteration degree Octanal for synthesis 100 ml 4230 min. 99.96% for NMR spectroscopy min. 99.95% for NMR spectroscopy 124-13-0 500 ml 13800 MagniSolv(TM)** MagniSolv(TM)** 8.06901.0100 8.06901.0500 2206-27-1 811-98-3 Laboratory Reagents & Chemicals 1.03562.0005 10x.5 ml GA 5 ml 11300 1.06025.0005 10x.5 ml GA 5 ml 22770 n-Octane for synthesis 10x.75 ml GA 7.5 ml 16940 1.06025.0009 10x.75 ml GA 7.5 ml 34150 1.03562.0009 GA 10 ml 18650 111-65-9 GA 25 ml 37270 Pyridine-D5 deuteration degree min 99.8% 8.06910.0100 100 ml 5980 1.03562.0010 for NMR spectroscopy MagniSolv(TM)** 8.06910.0250 250 ml 9740 8.06910.1000 24890 1.03562.0025 1l Dimethyl sulfoxide-D6 deuteration 7291-22-7 10x.5 ml GA 7.5 ml 24000 n-Octane-D18 deuteration degree min. degree min. 99.8% for NMR spectroscopy 1.07475.0009 SB 10 ml 29050 99% for NMR spectroscopy MagniSolv(TM) MagniSolv(TM)** 1.07475.0010 2206-27-1 10x.5 ml GA 5 ml 3990 Tetrahydrofuran-D8 deuteration degree 17252-77-6 1 ml 19230 1.03424.0005 10x.75 ml GA 7.5 ml 5210 min 99.5% for NMR spectroscopy 8.15002.0001 1.03424.0009 SB 10 ml 6300 MagniSolv(TM)** 1.03424.0010 GB 25 ml 11450 1.03424.0025 SB 50 ml 12120 1693-74-9 GA 1 ml 6610 Octanedioic acid for synthesis 1.03424.0050 GB 100 ml 34670 1.13364.0001 10x.5 ml GA 7.5 ml 39640 1.03424.0100 1.13364.0009 SB 10 ml 47960 505-48-6 100 g 5200 1.13364.0010 8.18800.0100 500 g 17610 8.18800.0500 Tetramethylsilane for the calibration of Dimethyl sulfoxide-D6 with TMS (0,03 NMR spectra Uvasol® MagniSolv(TM)** 1,8-Octanediol for synthesis vol.%), deuteration degree min. 99,8% for NMR spectroscopy MagniSolv(TM)** 75-76-3 15470 629-41-4 25 g 7780 1.08183.0100 GB C 100 ml 8.06921.0025 2206-27-1 100 ml 53830 Toluene-D8 deuteration degree min. 99.5% 1-Octanethiol for synthesis 1.03591.0100 GB for NMR spectroscopy MagniSolv(TM)** Dimethyl sulfoxide-D6 with TMS (0,03 2037-26-5 10 ml 14500 111-88-6 100 ml 4260 vol.%), deuteration degree min. 99,96% 1.13368.0010 SB 8.21861.0100 500 ml 9040 for NMR spectroscopy MagniSolv(TM)** 8.21861.0500 Trifluoroacetic acid-D1 deuteration 2206-27-1 degree min. 99.5% for NMR spectroscopy Octanoic acid for synthesis 1.03592.0005 GA MagniSolv(TM) 124-07-2 1.03592.0025 GB 5 ml 13800 599-00-8 10 ml 10760 8.00192.0100 100 ml 4110 25 ml 45580 1.13363.0010 GB 8.00192.1000 1l 10650 8.00192.2500 19270 Dimethyl sulfoxide-D6 with TMS (0,1 Octacosane for synthesis 2.5 l vol.%), deuteration degree min. 99,9% for NMR spectroscopy MagniSolv(TM)** 630-02-4 5 g 4870 1-Octanol EMPLURA® 8.41354.0005 111-87-5 1.00991.1000 2206-27-1 n-Octadecane for synthesis 1l 5860 1.03587.0100 GB 100 ml 58640 593-45-3 100 g 8550 8.20920.0100 (R)-(-)-2-Octanol for synthesis Formic acid-D2 deuteration degree min. 1-Octadecanethiol for synthesis 99.5% for NMR spectroscopy Uvasol® 5978-70-1 MagniSolv(TM)** 2885-00-9 10 g 2810 8.18321.0001 1 ml 8410 8.14444.0010 50 g 5470 8.18321.0005 5 ml 33540 8.14444.0050 250 g 19250 920-42-3 10 ml 66770 8.14444.0250 (S)-(+)-2-Octanol for synthesis 1.13365.0010 GA Methanol-D1 deuteration degree min. 1-Octadecene for synthesis 6169-06-8 1 ml 6440 99,5% MagniSolv(TM)** 8.18322.0001 112-88-9 1455-13-6 50 ml 35250 8.22112.0100 100 ml 4280 1-Octanol for synthesis 8.15051.0050 GB 100 ml 64090 8.22112.1000 1l 12990 111-87-5 8.15051.0100 GB cis-9-Octadecen-1-ol for synthesis 8.20931.0100 100 ml 1060 8.20931.1000 1l 9190 Methanol-D3 deuteration degree min. 143-28-2 100 ml 3430 8.20931.2500 19150 99,5% MagniSolv(TM)** 8.20923.0100 1l 6890 2.5 l 8.20923.1000 20680 1849-29-2 8.20923.2500 2.5 l 2-Octanol for synthesis 8.15052.0001 GA 1 ml 15390 Octadecylamine for synthesis 123-96-6 8.15052.0005 GA 5 ml 61510 8.20925.0100 124-30-1 250 g 8550 8.20925.1000 100 ml 4070 Methanol-D4 deuteration degree min. 99,8 8.41029.0250 1 Kg 18650 8.20925.2500 1l 7190 % for NMR spectroscopy MagniSolv(TM)** 8.41029.1000 13460 2.5 l 1,7-Octadiene for synthesis 3-Octanol for synthesis 589-98-0 811-98-3 GA 1 ml 1930 3710-30-3 100 ml 7460 8.21859.0050 50 ml 7160 1.06028.0001 10x.5 ml GA 5 ml 7700 8.18797.0100 1.06028.0005 10x.75 ml GA 7.5 ml 11560 1.06028.0009 SB 10 ml 11820 Octamethylcyclotetrasiloxane for synthesis 1.06028.0010 GB 25 ml 25430 1.06028.0025 GB 100 ml 67570 556-67-2 2-Octanone for synthesis 1.06028.0100 8.14750.0025 8.14750.0100 25 ml 2660 111-13-7 100 ml 4070 8.14750.0250 100 ml 7980 8.20926.0100 500 ml 9580 250 ml 15940 8.20926.0500 S : The items can be transported only by Sea Freight AL : Aluminium PE : Polyethylene 153 C : The items can be transported by Air Cargo GA : Glass Ampoule SB: Septum Bottle B : The items can be supplied against end user order copy only GB : Glass Bottle ** : PO & EUD Required

Part 2 Advanced Analytics Product Order Pack Unit Price Product Order Pack Unit Price Product Order Pack Unit Price No. ` No. ` No. ` 3-Octanone for synthesis ortho-Phosphoric acid 99% cryst. for 2-Oxobutyric acid for synthesis analysis EMSURE® 106-68-3 600-18-0 8.21860.0100 100 ml 5960 7664-38-2 8.20938.0005 5g 6440 1.00565.0500 Octanoyl chloride for synthesis 500 g 4380 (1S)-(-)-3-Oxocamphorsulfonylimine for synthesis 111-64-8 Osmium ICP standard (NH4)2OsCl6 in HCl 8.00199.0250 250 ml 4100 7% 1000 mg/l Os CertiPUR® 119106-38-6 1 g 4110 8.14388.0001 5 g 18840 Octanoyl-N-methylglucamide for synthesis 1.70338.0100 100 ml 82310 8.14388.0005 Oxalic acid anhydrous for synthesis 85316-98-9 3-Oxoglutaric acid for synthesis 8.14921.0001 1g 11070 144-62-7 8.14921.0010 10 g 69540 8.16144.0050 50 g 8040 542-05-2 50 g 7800 8.16144.0250 250 g 12190 8.20940.0050 250 g 31680 1-Octene for synthesis Oxalic acid bis (cyclohexylidene hydrazide) 8.20940.0250 GR for analysis (reagent for copper) 111-66-0 5 ml 2890 2,2’-[Oxybis(2,1-ethanediyloxy)] bisacetic 8.20928.0005 250 ml 3560 370-81-0 acid for synthesis 8.20928.0250 8080 1.01841.0025 8.20928.1000 1l 25 g 11690 13887-98-4 50 ml 12430 8.43911.0050 250 ml 49680 1-Octen-3-ol for synthesis Oxalic acid dihydrate extra pure 8.43911.0250 6153-56-6 3391-86-4 1.00492.1000 1 Kg 6020 2,2’-Oxydiethanethiol for synthesis 8.18543.0050 1.00492.5000 5 Kg 22460 50 ml 6990 2150-02-9 8.06927.0025 Octyl gallate for synthesis Oxalic acid dihydrate for analysis EMSURE® 25 ml 8120 ACS,ISO,Reag. Ph Eur 8.06927.0100 100 ml 23630 1034-01-1 8.16102.0100 100 g 13270 6153-56-6 Palladium ICP standard traceable to SRM 1.00495.0100 1.00495.0500 100 g 2500 from NIST Pd(NO3)2 in HNO3 2-3% 1000 1.00495.1000 500 g 4220 Octyl sulfate sodium salt for surfactant 7140 mg/l Pd CertiPUR® tests 1 Kg 1.70339.0100 100 ml 43660 142-31-4 5 g 20330 Oxalic acid dihydrate for synthesis Palladium matrix modifier for graphite 1.12268.0005 furnace AAS c(Pd) = 10.0 ± 0.2 g/l 6153-56-6 Octylamine for synthesis 8.18242.0100 100 g 2350 (Pd(NO3)2 / HNO3 ca. 15%) 8.18242.1000 1 Kg 6720 111-86-4 1.07289.0050 50 ml 26380 8.06917.0250 250 ml 4670 Oxalic acid dihydrate Suprapur® Palladium powdered 99+ 1-Octyne for synthesis 25 ml 8140 6153-56-6 100 g 19930 7440-05-3 1g 27440 629-05-0 1.00489.0100 1.19225.0001 5g 109710 8.14146.0025 1.19225.0005 Oxalic acid solution for 1000 ml, Palladium standard solution traceable to 4-Octyne for synthesis c(C2H2O4) = 0.05 mol/l (0.1 N) Titrisol® SRM from NIST Pd(NO3)2 in HNO3 0.5 1942-45-6 8.20930.0010 1.09965.0001 1 ST 2790 mol/l 1000 mg/l Pd CertiPUR® 10 ml 10270 Oxalic acid solution for 1000 ml, 1.14282.0100 100 ml 8170 1-Octyne-3-ol for synthesis c(C2H2O4) = 0.005 mol/l (0.01 N) Titrisol® 1.14282.0500 500 ml 14270 818-72-4 1.09932.0001 1 ST 2520 Palladium/barium sulfate (5% Pd) 8.41785.0025 25 ml 18030 Oxalyl chloride for synthesis hydrogenation catalyst (oxidic form) for Oil bath filling for oil baths up to about 79-37-8 synthesis 250°C 8.07066.0025 8.07066.0100 25 ml 4610 8.07105.0010 10 g 17520 8.07066.0500 100 ml 11400 8002-74-2 500 ml 48650 8.07105.0050 50 g 52400 1.06900.1000 1.06900.5000 1 l 4930 Palladium/calcium carbonate (5 % Pd) 5 l 16950 Oxalyl dihydrazide for synthesis Lindlar hydrogenation catalyst (poisoned Oracet blue 2R (C.I. 61110) indicator for 996-98-5 with lead) for synthesis titration in non-aqueous solvents Reag. 8.41589.0050 Ph Eur 50 g 12790 8.10489.0005 5 g 11270 Oxamide for synthesis Palladium/charcoal activated (10% Pd) 471-46-5 4395-65-7 8.20936.0100 hydrogenation catalyst (oxidic form) for 1.01487.0005 5 g 4070 100 g 5800 synthesis 2-Oxazolidinone for synthesis 8.07104.0010 10 g 12810 ortho-Phosphoric acid 85% for analysis 497-25-6 Palladium(II) acetate (47% Pd) for 8.40165.0025 synthesis EMSURE® ACS,ISO,Reag. Ph Eur 25 g 13240 1.00573.1000 1 l 8280 3375-31-3 8.18056.8500 1.00573.2500 2.5 l 16220 Oxidizing decomposition reagent for 500 mg 10820 8.18056.0001 1g 15170 1.00573.2510 Safe break 2.5 l 18120 compounds containing P and N Oxisolv® 5g 54940 8.18056.0005 ortho-Phosphoric acid 85% Suprapur® 1.12936.0030 30 g 10090 1.00552.0250 250 ml 33880 Oxindole for synthesis Palladium(II) acetylacetonate for synthesis 1.00552.0500 500 ml 25940 59-48-3 14024-61-4 8.07055.0010 8.07103.0001 1.00552.2500 2.5 l 79550 8.07055.0025 10 g 9580 1 g 14950 25 g 19680 8.07103.0005 5 g 55310 1.00552.1000 1 l 75270 154 MERCKgroup.com For enquiries write to [email protected]

Product Order Pack Unit Price Product Order Pack Unit Price Product Order Pack Unit Price No. ` No. ` No. ` Palladium(II) chloride (59% Pd) Paraffin viscous Ph Eur,BP,USP 2,3,4,5,6-Pentafluorobenzylalcohol for anhydrous, for synthesis synthesis 8042-47-5 7647-10-1 500 mg 15790 1.07160.1000 1l 8580 440-60-8 5 g 7200 Laboratory Reagents & Chemicals 8.07110.8500 1g 21350 1.07160.2500 2.5 l 18160 8.14556.0005 8.07110.0001 5g 77330 8.07110.0005 134250 Paraformaldehyde for synthesis 2,3,4,5,6-Pentafluorobenzylbromide for 8.07110.0010 10 g synthesis 30525-89-4 Palladium(II) nitrate dihydrate (40% Pd) 8.18715.0100 100 g 3730 1765-40-8 5 ml 16230 for synthesis 8.18715.1000 1 Kg 5340 8.41643.0005 32916-07-7 Paraldehyde for synthesis Pentafluorophenol for synthesis 8.14573.8500 8.14573.0001 500 mg 9290 123-63-7 100 ml 4070 771-61-9 5g 4830 1g 14690 8.18255.0100 1l 7660 8.18100.0005 25 g 18170 8.18255.1000 100 g 56910 8.18100.0025 Palladium(II) oxide (85% Pd) 1,2,3,4,6-Penta-O-acetyl-alpha-D- hydrogenation catalyst for synthesis glycopyranose for synthesis 8.18100.0100 1314-08-5 Pentafluorophenyl hydrazine for synthesis 8.07107.8500 8.07107.0001 500 mg 17670 604-68-2 5g 3910 828-73-9 5 g 9390 1g 22160 8.40022.0005 8.41572.0005 Palmitic acid for synthesis Pentachloropyridine for synthesis 2,2,3,3,3-Pentafluoropropionic acid for synthesis 57-10-3 2176-62-7 8.00508.0100 100 g 4280 8.41070.0025 25 g 5470 422-64-0 8.00508.1000 1 Kg 7650 8.20956.0010 Pentadecafluorooctanoic acid for synthesis 10 ml 7930 8.20956.0050 50 ml 44680 335-67-1 Palmitoyl chloride for synthesis 8.07114.0010 10 g 5900 1,2,3,4,5-Pentamethylcyclopentadiene for synthesis 112-67-4 250 ml 9220 Pentadecafluorooctanoyl chloride for 8.00510.0250 synthesis 4045-44-7 8.18534.0001 [2,2,2]-Paracyclophane for synthesis 335-64-8 1 ml 4420 8.41174.0001 8.18534.0005 5 ml 25720 283-80-7 1 ml 7350 8.18344.0001 1 g 11290 n-Pentadecane for synthesis N,N,N’,N’’,N’’- Pentamethyldiethylenetriamine for [2.2]-Paracyclophane for synthesis 629-62-9 synthesis 8.20953.0010 1633-22-3 1g 5170 8.20953.0050 10 ml 4140 3030-47-5 100 ml 8270 8.41687.0001 50 ml 9930 8.41692.0100 500 ml 21330 Paraffin 42-44, in block form Pentadecanoic acid for synthesis 8.41692.0500 8002-74-2 1 Kg 13320 1002-84-2 10 g 29680 Pentanal for synthesis 1.07150.1000 2.5 Kg 28250 8.00661.0010 1.07150.2500 110-62-3 Pentaerythritol for synthesis 8.08504.0100 100 ml 4160 8.08504.0500 500 ml 6350 Paraffin 46-48, in block form 115-77-5 100 g 4070 8.07331.0100 1 Kg 6850 8002-74-2 1 Kg 13320 8.07331.1000 n-Pentane for analysis EMSURE® 1.07151.1000 109-66-0 Paraffin 51-53, in pastille form Ph Pentaethylenehexamine (mixture of 1.07177.1000 GB C 1l 7340 Eur,BP,NF isomers) for synthesis 2.5 l 15280 1.07177.2500 GB 4067-16-7 8002-74-2 1 Kg 13320 8.40076.0025 25 ml 3370 n-Pentane for organic trace analysis 1.07157.1000 2.5 Kg 20180 UniSolv® 1.07157.2500 Pentafluoroaniline for synthesis Paraffin 52-54, in pastille form Ph 771-60-8 5g 6890 109-66-0 1l 9110 Eur,BP,NF 8.41520.0005 1.07288.1000 GB 2.5 l 18960 8002-74-2 Pentafluorobenzene for synthesis 1.07288.2500 GB 1.07300.1000 1 Kg 9510 363-72-4 n-Pentane for spectroscopy Uvasol® 8.20955.0005 Paraffin 56-58, in pastille form Ph 5 ml 9030 109-66-0 1 l 13650 Eur,BP,NF 1.07179.1000 GB 2,3,4,5,6-Pentafluorobenzoic acid for 8002-74-2 synthesis 1,5-Pentanediol for synthesis 1.07337.1000 1.07337.2500 1 Kg 9510 602-94-8 5 g 7860 111-29-5 100 ml 3430 2.5 Kg 20180 8.41434.0005 8.07061.0100 500 ml 10410 Paraffin 57-60, in pastille form Ph Pentafluorobenzonitrile for synthesis 8.07061.0500 Eur,BP,NF 773-82-0 2,4-Pentanediol for synthesis 8.41508.0005 8002-74-2 1 Kg 12840 8.41508.0025 5 ml 5860 625-69-4 25 ml 18130 1.07158.1000 25 ml 23300 8.41677.0025 Paraffin liquid Reag. Ph Eur Pentafluorobenzoyl chloride for synthesis 2,3-Pentanedione for synthesis 8042-47-5 1l 11760 2251-50-5 5 ml 9530 600-14-6 25 ml 3970 1.07162.1000 2.5 l 19170 8.41331.0005 25 ml 45530 8.18555.0025 100 ml 16010 1.07162.2500 8.41331.0025 8.18555.0100 S : The items can be transported only by Sea Freight AL : Aluminium PE : Polyethylene 155 C : The items can be transported by Air Cargo GA : Glass Ampoule SB: Septum Bottle B : The items can be supplied against end user order copy only GB : Glass Bottle ** : PO & EUD Required

Part 2 Advanced Analytics Product Order Pack Unit Price Product Order Pack Unit Price Product Order Pack Unit Price No. ` No. ` No. ` 1,5-Pentanedithiol for synthesis 1-Pentyne for synthesis pH-indicator solution pH 0 - 5 with colour 928-98-3 627-19-0 card pH 0 - 0.5 - 1 - 1.5 - 2 - 2.5 - 3 - 3.5 8.41552.0005 8.20963.0025 5 ml 10150 25 ml 10980 - 4 - 4.5 - 5 1-Pentanethiol for synthesis 2-Pentyne for synthesis 1.09177.0100 100 ml 4450 110-66-7 627-21-4 pH-indicator solution pH 9.0 - 13.0 with 8.41749.0050 8.22120.0010 50 ml 15840 10 ml 11920 colour card pH 9.0 - 10.0 - 11.0 - 12.0 - Pentanoic acid for synthesis 4-Pentyn-1-ol for synthesis 13.0 109-52-4 5390-04-5 1.09176.0100 100 ml 4170 8.00821.0100 8.41385.0001 8.00821.0500 100 ml 4280 1 ml 6180 pH-indicator solution pH 4.0 - 10.0 8.00821.1000 500 ml 4870 6850 Perchloric acid 60% for analysis EMSURE® Universal Indicator with colour card pH 1l ACS 4.0 - 4.5 - 5.0 - 5.5 - 6.0 - 6.5 - 7.0 - 7.5 Pentanoic anhydride for synthesis 1.00518.1001 1 l 12990 - 8.0 - 8.5 - 9.0 - 9.5 - 10.0 2082-59-9 1.00518.2501 2.5 l 25470 1.09175.0100 100 ml 3340 8.08543.0100 100 ml 4420 1.09175.1000 1 l 23830 2-Pentanol for synthesis Perchloric acid 70% for analysis (max. pH-indicator strips pH 5.0 - 10.0 non- 0.0000005% Hg) EMSURE® ACS,ISO,Reag. bleeding pH 5.0 - 5.5 - 6.0 - 6.5 - 7.0 6032-29-7 100 ml 4280 Ph Eur - 7.5 - 8.0 - 8.5 - 9.0 - 9.5 - 10 0 8.07501.0100 500 ml 10850 8.07501.0500 1.00514.1000 S 1 l 27430 MColorpHast(TM) Perchloric acid 70% Suprapur® 1.09533.0001 1 ST 2890 3-Pentanol for synthesis 1.00517.0250 C 250 ml 57390 alpha-Phellandrene for synthesis 127530 584-02-1 100 ml 8630 1.00517.1000 1l 99-83-2 8.07502.0100 500 ml 20920 8.14893.0100 8.07502.0500 Perchloric acid 70-72% for analysis 100 ml 14690 gamma-Pentanolactone for synthesis EMSURE® ACS,ISO,Reag. Ph Eur Phenacyltriphenylphosphonium bromide for synthesis 1.00519.1001 1 l 14440 108-29-2 8.08516.0100 100 ml 8580 1.00519.2501 2.5 l 28300 6048-29-9 5 g 5040 8.40167.0005 1.00519.2510 Safe break 2.5 l 28730 Pentanonitrile for synthesis Perchloric acid in anhydrous acetic acid, for Phenanthrene for synthesis 110-59-8 100 ml 6540 titrations in non-aqueous media c(HClO4) 85-01-8 100 g 20510 8.08514.0100 8.22122.0100 250 g 32670 = 0.1 mol/l (0.1 N) TitriPUR® 8.22122.0250 Pentanoyl chloride for synthesis 1.09065.1000 1 l 25840 638-29-9 Perfluorodecahydronaphthalene (mixture 9,10-Phenanthrenequinone for synthesis 8.08544.0100 of isomers) for synthesis 100 ml 5980 84-11-7 8.07564.0025 4-Pentene-2-ol for synthesis 306-94-5 10 ml 10680 25 g 8740 8.41401.0010 8.07564.0100 100 g 25890 625-31-0 8.41782.0005 5 ml 9390 Perhydrit® tablets 1 g (Hydrogen peroxide 1,10-Phenanthroline (anhydrous) for - Urea) synthesis 4-Pentenoic acid for synthesis 66-71-7 591-80-0 5 ml 6640 124-43-6 100 g 7350 8.41491.0005 5g 5780 8.41468.0005 1.07201.0100 25 g 21300 8.41491.0025 Periodic acid for analysis EMSURE® trans-2-Pentenoic acid for synthesis 1,10-Phenanthroline chloride monohydrate 10450-60-9 GR for analysis and redox indicator 13991-37-2 10 ml 8910 1.00524.0025 25 g 11600 [reagent for iron(II)] Reag. Ph Eur 8.18439.0010 100 g 29760 1.00524.0100 1-Penten-3-ol for synthesis 18851-33-7 Periodic acid for synthesis 1.07223.0010 10 g 10190 616-25-1 100 g 83040 8.41317.0005 5 ml 7580 10450-60-9 1.07223.0100 8.22288.0100 4-Penten-1-ol for synthesis 100 g 22470 1,10-Phenanthroline monohydrate GR ACS 8.22288.0500 500 g 29690 5144-89-8 821-09-0 5 ml 9690 Perylene for synthesis 1.07225.0005 5g 5670 8.41588.0005 10 g 9750 198-55-0 1.07225.0010 100 g 76190 n-Pentyl nitrite for synthesis 8.20969.0001 1 g 4450 5 g 16620 1.07225.0100 8.20969.0005 463-04-7 Phenazine for synthesis 8.20966.0005 5 ml 3600 8.20966.0250 250 ml 28440 3,4,9,10-Perylenetetracarboxylic 92-82-0 5 g 12660 3,4:9,10-dianhydride for synthesis 8.20973.0005 n-Pentylamine for synthesis 128-69-8 m-Phenetidine for synthesis 8.20970.0025 110-58-7 25 ml 3830 25 g 5670 621-33-0 10 ml 12020 8.07333.0025 100 ml 9580 8.20970.0100 100 g 14280 8.20974.0010 50 ml 38700 8.07333.0100 pH-indicator paper pH 1 - 10 Universal 8.20974.0050 n-Pentylbenzene for synthesis indicator pH 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - o-Phenetidine for synthesis 538-68-1 9 - 10 94-70-2 8.20965.0025 8.07000.0250 25 ml 4070 1.09525.0003 1 ST 7770 250 ml 5700 156 MERCKgroup.com For enquiries write to [email protected]

Product Order Pack Unit Price Product Order Pack Unit Price Product Order Pack Unit Price No. ` No. ` No. ` p-Phenetidine for synthesis Phenoxyacetamide for synthesis Phenyl isocyanate GR for analysis 156-43-4 5 ml 3030 621-88-5 5 g 7710 103-71-9 100 ml 6840 8.07002.0006 250 ml 5610 8.40139.0005 1.07255.0100 8.07002.0250 Phenoxyacetic acid for synthesis Phenyl isothiocyanate for synthesis Laboratory Reagents & Chemicals Phenetole for synthesis 100 ml 6160 122-59-8 100 g 4800 103-72-0 100 ml 12310 500 ml 15230 8.00667.0100 500 g 10680 8.07028.0100 250 ml 26020 103-73-1 8.00667.0500 8.43648.0100 8.07028.0250 8.43648.0500 Phenoxyacetyl chloride for synthesis Phenyl 2-pyridyl ketone oxime for synthesis Phenol for synthesis 701-99-5 25 ml 16250 8.41489.0025 1826-28-4 108-95-2 8.22128.0001 8.22296.0100 100 g 3940 3-Phenoxybenzaldehyde for synthesis 1g 6180 8.22296.0500 500 g 8720 8.22296.1000 15400 39515-51-0 10 ml 8550 1-Phenyl-1,2-ethanediol for synthesis 1 Kg 8.14021.0010 93-56-1 Phenol GR for analysis ACS,Reag. Ph Eur 2-Phenoxybenzoic acid for synthesis 8.07007.0025 25 g 4830 100 g 41230 108-95-2 2243-42-7 25 g 14090 8.07007.0100 1.00206.0250 8.41344.0025 1.00206.1000 250 g 6930 Phenylacetaldehyde dimethyl acetal for 1 Kg 17830 3-Phenoxybenzoic acid for synthesis synthesis Phenol red (phenolsulfonphthalein) Reag. 3739-38-6 5 g 6890 101-48-4 250 ml 11210 Ph Eur 8.41319.0005 8.22124.0250 143-74-8 3-Phenoxybenzyl alcohol for synthesis Phenylacetic acid for synthesis 1.59375.0001 1.59375.0100 1g 30700 13826-35-2 10 ml 8590 103-82-2 250 g 3240 100 g 306890 8.41779.0010 8.20993.0250 1 Kg 11970 Phenol red indicator ACS 4-Phenoxyphenol for synthesis 8.20993.1000 143-74-8 831-82-3 10 g 5800 2-Phenylacetohydrazide for synthesis 1.07241.0005 8.14195.0010 17980 1.07241.0025 5g 6940 11290 114-83-0 1.07241.0100 25 g 18240 4-Phenyl-1-butanol for synthesis 8.20561.0010 10 g 6850 1.07241.1000 100 g 63850 50 g 12960 455940 3360-41-6 10 ml 8.20561.0050 1 Kg 8.41370.0010 4’-Phenylacetophenone for synthesis 4-Phenyl-2-butanol for synthesis Phenol red sodium salt indicator ACS 92-91-1 2344-70-9 8.20977.0050 50 g 7270 34487-61-1 8.14846.0005 5 ml 1.11748.0005 5g 7830 Phenylacetylene for synthesis 1.11748.0500 500 g 143230 N-Phenyl-2,2’-iminodiethanol for synthesis 536-74-3 Phenol red solution indicator 120-07-0 100 g 3160 8.07044.0025 25 ml 6330 8.03257.0100 1 Kg 9030 100 ml 16050 1.07242.0100 100 ml 7390 8.03257.1000 8.07044.0100 Phenolphthalein indicator ACS, Reag. Phenyl acetate for synthesis Phenylacetylenecarboxylic acid for Ph Eur synthesis 122-79-2 77-09-8 25 g 3300 8.22053.0250 250 ml 8320 637-44-5 5g 8290 1.07233.0025 100 g 4900 8.22053.1000 1l 24600 8.21012.0005 25 g 30430 1.07233.0100 500 g 19960 1.07233.0500 Phenyl acetic aldehyde for synthesis 8.21012.0025 122-78-1 (S)-(-)-Phenylalanine for synthesis 8.43654.0100 pH-indicator paper Phenolphthalein paper 8.43654.0500 100 ml 7100 63-91-2 10 g 3420 500 ml 23300 8.16011.0010 50 g 8720 Roll (4.8 m) with colour scale 8.16011.0050 1.09521.0003 1 ST 7570 Phenyl benzoate for synthesis Phenolphthalein solution 0.375% in 93-99-2 100 g 5470 N-Phenylanthranilic acid for synthesis 8.18121.0100 500 g 16050 methanol indicator 8.18121.0500 91-40-7 100 g 19660 8550 8.20979.0100 1.07238.0250 250 ml 3860 Phenyl chloroformate for synthesis 1.07238.1000 1 l 12040 2-Phenylbenzothiazole for synthesis 1885-14-9 Phenolphthalein solution 1% in ethanol 8.02353.0250 250 ml 883-93-2 5 g 33750 8.14559.0005 indicator pH 8.2 - 9.8 O-Phenyl chlorothioformate for synthesis 1.07227.0250 250 ml 3550 1005-56-7 N-Phenylbenzylamine for synthesis 8.20343.0010 1.07227.1000 1 l 6510 10 ml 20300 103-32-2 8.20982.0250 Phenolsulfonic acid (65% solution in water) Phenyl dichlorophosphate for synthesis 250 g 15040 8.20982.1000 1 Kg 33130 for synthesis 770-12-7 8.21010.0025 8.40015.0250 250 ml 6160 25 ml 7050 4-Phenylbutyric acid for synthesis 8.40015.1000 1 l 15420 Phenyl isocyanate for synthesis 1821-12-1 8.20986.0025 Phenothiazine for synthesis 103-71-9 25 g 6460 8.21001.0005 92-84-2 8.21001.0250 5 ml 3030 4-Phenylcyclohexanone for synthesis 8.20975.0100 8.21001.1000 250 ml 6490 8.20975.1000 100 g 4070 13270 4894-75-1 25 g 14160 1 Kg 10950 1l 8.18564.0025 S : The items can be transported only by Sea Freight AL : Aluminium PE : Polyethylene 157 C : The items can be transported by Air Cargo GA : Glass Ampoule SB: Septum Bottle B : The items can be supplied against end user order copy only GB : Glass Bottle ** : PO & EUD Required

Part 2 Advanced Analytics Product Order Pack Unit Price Product Order Pack Unit Price Product Order Pack Unit Price No. ` No. ` No. ` 1-Phenyldodecane for synthesis 2-Phenylethyl bromide for synthesis Phenylglyoxal monohydrate for synthesis 123-01-3 25 ml 16800 103-63-9 250 ml 12030 1075-06-5 5 g 7480 8.20990.0025 100 ml 51800 8.07335.0250 8.41007.0005 8.20990.0100 2-Phenylethyl chloride for synthesis Phenylglyoxylic acid for synthesis 1,2-Phenylendiamine Msynth®plus 622-24-2 611-73-4 8.07511.0100 8.41629.0010 95-54-5 100 ml 7700 10 g 11900 8.45071.0250 8.45071.1000 250 g 9780 (R)-(+)-1-Phenylethyl isocyanate for 1-Phenylhexane for synthesis 1 Kg 28290 synthesis 1077-16-3 1,4-Phenylene diisothiocyanate for 33375-06-3 1 ml 6890 8.41840.0005 5 ml 3340 synthesis 8.14080.0001 3-Phenyl-1H-pyrazole for synthesis 4044-65-9 2-Phenylethyl isothiocyanate for synthesis 8.41419.0001 1g 6690 2458-26-6 2257-09-2 8.43855.0005 5 g 15100 1,2-Phenylenediamine for synthesis 8.41742.0005 5 ml 13010 95-54-5 (S)-(-)-N-(1-Phenylethyl)phthalamic acid 1-Phenyl-1H-tetrazole-5-thiol for synthesis 8.14538.0005 for resolution of racemates for synthesis 8.14538.0250 5g 3160 86-93-1 25 g 6740 8.14538.1000 250 g 6850 21752-36-3 10 g 10260 8.40153.0025 100 g 22570 19830 8.07115.0010 8.40153.0100 1 Kg 1,3-Phenylenediamine for synthesis 1-(2-Phenylethyl)-4-piperidonone for Phenylhydrazine for synthesis synthesis 108-45-2 5g 3920 100-63-0 5 ml 2840 8.20991.0005 250 g 6680 39742-60-4 1 g 3850 8.07250.0005 250 ml 6680 8.20991.0250 12330 8.41270.0001 5 g 12190 8.07250.0250 15940 8.20991.1000 1 Kg 8.41270.0005 8.07250.1000 1l 1,4-Phenylenediamine for synthesis (R)-(+)-N-(1-Phenylethyl)succinamic acid Phenylhydrazine GR for analysis for resolution of racemates for synthesis 106-50-3 100-63-0 100 ml 7720 8.07246.0005 5g 2890 21752-33-0 1.07251.0100 8.07246.0250 250 g 5650 8.07111.0010 8.07246.1000 13660 10 g 10260 Phenylhydrazinium chloride for analysis 1 Kg EMSURE® Reag. Ph Eur (S)-(-)-N-(1-Phenylethyl)succinamic acid 1,2-Phenylenediamine GR for analysis for resolution of racemates for synthesis 59-88-1 100 g 11130 1.07253.0100 250 g 23730 95-54-5 50 g 10280 21752-34-1 10 g 10260 1.07253.0250 1.07243.0050 8.07113.0010 1,4-Phenylenediammonium dichloride for 2-Phenylethylamine for synthesis 2-Phenylimidazole for synthesis synthesis 64-04-0 5 ml 3210 670-96-2 100 g 13270 624-18-0 8.07334.0005 250 ml 4940 8.07504.0100 8.22297.0250 8.07334.0250 8.22297.1000 250 g 15170 4-Phenylimidazole for synthesis 1 Kg 44310 DL-1-Phenylethylamine for synthesis 670-95-1 1g 5390 8.41498.0001 o-Phenylenedioxydiacetic acid for synthesis 618-36-0 8.21256.0100 100 ml 3730 L-(-)-3-Phenyllactic acid for synthesis 5411-14-3 8.21256.0500 500 ml 10450 8.18303.0010 10 g 9580 20312-36-1 8.21572.0001 1 g 8910 (R)-(+)-1-Phenylethanol for synthesis (R)-(+)-1-Phenylethylamine for the resolution of racemates for synthesis Phenyllithium (20% solution in 1517-69-7 8.40131.0001 1 ml 5960 3886-69-9 dibutylether) for synthesis 8.40131.0005 5 ml 8740 8.07031.0010 8.07031.0100 10 ml 4410 8.14974.0100 100 ml 18650 100 ml 17430 N-Phenylmaleimide for synthesis (S)-(-)-1-Phenylethanol for synthesis (S)-(-)-1-Phenylethylamine for the 941-69-5 1445-91-6 1 ml 5960 resolution of racemates for synthesis 8.41548.0010 10 g 6160 8.40132.0001 5 ml 8080 8.40132.0005 2627-86-3 10 ml 5460 Phenylmercury acetate for synthesis 8.07047.0010 25 ml 8210 2-Phenylethanol for synthesis 8.07047.0025 250 ml 42650 62-38-4 50 g 5980 8.07047.0250 8.07588.0050 60-12-8 5 ml 3160 N-Phenylethylenediamine for synthesis Phenylmercury hydroxide for synthesis 8.07006.0005 250 ml 4620 8.07006.0250 12580 1664-40-0 10 ml 12130 100-57-2 50 g 7670 8.07006.1000 1l 8.41250.0010 8.21819.0050 1-Phenylethyl acetate for synthesis Phenylmercury nitrate (basic) for synthesis N-Phenylglycin for synthesis 8003-05-2 8.20878.0050 93-92-5 100 ml 8580 103-01-5 25 g 9690 8.20878.0250 50 g 30350 8.43785.0100 500 ml 22880 8.41801.0025 250 g 119360 8.43785.0500 L-(+)-alpha-Phenylglycine (for resolution Phenylmethanesulfonyl chloride for 2-Phenylethyl acetate for synthesis of racemates) for synthesis synthesis 103-45-7 100 ml 4070 2935-35-5 25 g 8260 1939-99-7 5g 5340 8.18625.0100 500 ml 8650 8.18457.0025 100 g 32820 8.21127.0005 25 g 19670 8.18625.0500 8.18457.0100 8.21127.0025 158 MERCKgroup.com For enquiries write to [email protected]

Product Order Pack Unit Price Product Order Pack Unit Price Product Order Pack Unit Price No. ` No. ` No. ` N-Phenylmorpholine for synthesis Phenylsulfonylacetone for synthesis pH-indicator paper pH 0.5 - 5.0 6 92-53-5 5000-44-2 replacement rolls (of 4.8 m) for 109560, 8.14859.0050 8.41195.0001 50 g 5960 8.41195.0005 1 g 6940 109565 Acilit® 8.14859.0250 250 g 23240 5 g 25050 1.09568.0001 1 ST 9300 Laboratory Reagents & Chemicals 1-Phenyloctane for synthesis alpha-(Phenylthio) phenylacetic acid for pH-indicator paper pH 9.5 - 13.0 Roll (4.8 synthesis 2189-60-8 m) with colour scale pH 9.5 - 10.0 - 10.5 - 8.21006.0025 25 ml 13350 10490-07-0 11.0 - 11.5 - 12.0 - 12.5 - 13.0 Alkalit® 8.21006.0100 100 ml 49680 8.14314.0100 100 g 6850 1.09562.0003 1 ST 7570 N-Phenylpiperazine for synthesis 4-Phenylthiosemicarbazide for synthesis pH-indicator paper pH 9.5 - 13.0 6 92-54-6 5351-69-9 replacement rolls (of 4.8 m) for 109562, 8.18633.0025 8.14443.0010 25 ml 5060 10 g 9910 109565 Alkalit® Phenyltriethoxysilane for synthesis 1.09570.0001 1 ST 9300 2-Phenylpropionaldehyde for synthesis 780-69-8 pH-indicator paper pH 5.5 - 9.0 6 8.41592.0100 93-53-8 5 ml 5240 100 ml 10260 replacement rolls (of 4.8 m) for 109564, 8.07010.0005 250 ml 18030 109565 Neutralit® 8.07010.0250 Phenyltrimethylammonium chloride for 1.09569.0001 1 ST 9300 synthesis 3-Phenylpropionaldehyde for synthesis pH-indicator paper pH 5.5 - 9.0 Roll (4.8 138-24-9 104-53-0 8.08428.0100 100 g 5550 m) with colour scale pH 5.5 - 6.0 - 6.5 - 8.04542.0100 8.08428.0500 500 g 21530 100 ml 7310 7.0 - 7.5 - 8.0 - 8.5 - 9.0 Neutralit® 2-Phenylpropionic acid for synthesis 1.09564.0003 1 ST 7570 492-37-5 4-Phenylurazole for synthesis pH Box pH-indicator paper pH 0.5 - 13.0 8.20651.0010 10 ml 10680 15988-11-1 25 g 11070 with Acilit® (pH 0.5-5.0), Neutralit® (pH 8.18147.0025 5.5-9.0), Alkalit® (9.5-13.0), 3 rolls (of 4.8 3-Phenylpropionic acid for synthesis N-Phenylurea for synthesis m) and colour scale 501-52-0 64-10-8 1.09565.0001 1 ST 8640 8.04543.0100 8.07567.0005 100 g 9640 8.07567.0250 5g 2890 pH-indicator paper pH 3.8 - 5.4 Special 250 g 9390 3-Phenylpropionitrile for synthesis indicator Roll (4.8 m) with colour scale pH 645-59-0 N-Phenyl-1-naphthylamine for synthesis <3.8 - 4.1 - 4.4 - 4.6 - 4.8 - 5.1 - 5.4 8.41358.0010 10 ml 12720 90-30-2 1.09555.0003 1 ST 7570 8.21003.0250 3-Phenylpropyl acetate for synthesis 250 g 12190 pH-indicator paper pH 5.4 - 7.0 Special 122-72-5 5-Phenyl-1-pentanol for synthesis indicator Roll (4.8 m) with colour scale pH 8.14440.0100 100 ml 10550 10521-91-2 <5.4 - 5.4 - 5.8 - 6.2 - 6.4 - 6.7 - 7.0 - 8.41438.0001 3-Phenylpropyl bromide for synthesis 1 ml 5860 >7.0 (R)-(+)-1-Phenyl-1-propanol for synthesis 1.09556.0003 1 ST 7570 637-59-2 250 ml 13010 1565-74-8 pH-indicator paper pH 6.4 - 8.0 Special 8.07569.0250 8.24446.0100 8.24446.1000 indicator Roll (4.8 m) with colour scale 3-Phenylpropylamine for synthesis 100 mg 4870 1g 29820 pH 6.4 - 6.7 - 7.0 - 7.2 - 7.5 - 7.7 - 8.0 2038-57-5 10 ml 4420 - >8.0 8.41119.0010 (S)-(-)-1-Phenyl-1-propanol for synthesis 1.09557.0003 1 ST 7570 2-Phenylpyridine for synthesis 613-87-6 100 mg 5700 pH-indicator paper pH 8.2 - 10.0 Special 8.24445.0100 1008-89-5 indicator Roll (4.8 m) with colour scale pH 8.40041.0025 25 ml 15770 1-Phenyl-1-propanol for synthesis <8.2 - 8.2 - 8.5 - 8.8 - 9.0 - 9.3 - 9.6 - 3-Phenylpyridine for synthesis 93-54-9 10.0 8.07012.0100 1008-88-4 100 ml 6430 1.09558.0003 1 ST 7570 8.41759.0005 5 ml 10150 3-Phenyl-1-propanol for synthesis pH-indicator paper pH 1 - 10 Universal Phenylpyruvic acid sodium salt 122-97-4 indicator 6 replacement rolls (of 4.8 m) for monohydrate for synthesis 8.07014.0005 8.07014.0250 5 ml 3210 109526 250 ml 6020 122049-54-1 1.09527.0001 1 ST 9300 8.41780.0005 5g 12310 1-Phenyl-3-pyrazolidinone for synthesis pH-indicator paper pH 1 - 10 Universal 2-Phenylquinoline-4-caboxylic acid for 92-43-3 indicator Roll (4.8 m) with colour scale pH synthesis 8.41580.0050 50 g 7350 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9 - 10 132-60-5 9-Phenyl-2,3,7-trihydroxy-6-fluorone for 1.09526.0003 1 ST 7570 8.41883.0010 synthesis 10 g 6060 pH-indicator paper pH 1 - 14 Universal Phenylselenyl chloride for synthesis 975-17-7 indicator 6 replacement rolls (of 4.8 m) for 8.41569.0001 5707-04-0 8.41569.0005 1 g 3730 110962 8.41322.0005 5 g 17460 5 g 14950 1.10232.0001 1 ST 9300 Phenylsuccinic acid for synthesis pH-indicator paper pH 0.5 - 5.0 Roll (4.8 pH-indicator paper pH 1 - 14 Universal 635-51-8 m) with colour scale pH 0.5 - 1.0 - 1.5 - indicator Roll (4.8 m) with colour scale pH 1 8.41783.0025 25 g 5480 2.0 - 2.5 - 3.0 - 3.5 - 4.0 - 4.5 - 5.0 Acilit® - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9 - 10 - 12 - 14 8.41783.0100 100 g 15010 1.09560.0003 1 ST 7570 1.10962.0003 1 ST 7570 S : The items can be transported only by Sea Freight AL : Aluminium PE : Polyethylene 159 C : The items can be transported by Air Cargo GA : Glass Ampoule SB: Septum Bottle B : The items can be supplied against end user order copy only GB : Glass Bottle ** : PO & EUD Required

Part 2 Advanced Analytics Product Order Pack Unit Price Product Order Pack Unit Price Product Order Pack Unit Price No. ` No. ` No. ` pH-indicator strips pH 0 - 6.0 non-bleeding Phosphate modifier for graphite furnace Phosphoryl chloride for synthesis pH 0 - 6.0 MColorpHast(TM) AAS NH4H2PO4 100 ± 2 g/l in H2O 10025-87-3 8.22339.0250 1.09531.0001 1 ST 2890 1.07290.0050 50 ml 8280 S 250 ml 5820 8.22339.1000 S 1l 11320 pH-indicator strips pH 7.5 - 14 non- Phosphoric acid-D3 85% solution in D2O bleeding pH 7.5 - 8.0 - 8.5 - 9.0 - 9.5 deuteration degree min. 99% for NMR Phthalaldehydic acid for synthesis - 10.0 - 10.5 - 11.0 - 11.5 - 12.0 - 12.5 - spectroscopy MagniSolv(TM) 119-67-5 8.21028.0100 13.0 - 13.5 - 14.0 MColorpHast(TM) 8.15058.0010 10 ml 30920 100 g 11560 1.09532.0001 1 ST 2890 Phosphorus ICP standard traceable to SRM pH-indicator strips pH 2.0 - 9.0 for from NIST H3PO4 in H2O 1000 mg/l P Phthaldialdehyde for synthesis pH measurements in turbid solutions CertiPUR® 643-79-8 8.21027.8500 (suspensions) non-bleeding pH 2 - 3 - 4 - 1.70340.0100 100 ml 18650 8.21027.0010 500 mg 2460 8.21027.0050 10 g 12140 5 - 6 - 7 - 8 - 9 MColorpHast(TM) Phosphorus ICP standard traceable to SRM 50 g 35620 1.09502.0001 1 ST 3290 from NIST H3PO4 in H2O 10000 mg/l P pH-indicator strips pH 2.0 - 9.0 non- CertiPUR® Phthalein purple metal indicator Reag. Ph Eur bleeding 2.0 - 2.5 - 3.0 - 3.5 - 4.0 - 4.5 - 1.70383.0100 100 ml 37300 5.0 - 5.5 - 6.0 - 6.5 - 7.0 - 7.5 - 8.0 - 8.5 Phosphorus standard dissolved in oil 1 g/ 2411-89-4 1.07297.0001 - 9.0 MColorpHast(TM) kg P CertiPUR® 1g 11700 1.07297.0010 10 g 33030 1.09584.0001 1 ST 2890 1.15072.0100 100 ml 32630 pH-indicator strips pH 6.5 - 10.0 non- Phosphorus pentachloride Msynth®plus bleeding pH 6.5 - 6.8 - 7.1 - 7.4 - 7.7 - 10026-13-8 Phthalic acid for synthesis 8.45138.0100 7.9 - 8.1 - 8.3 - 8.5 - 8.7 - 9.0 - 9.5 - 10.0 8.45138.1000 100 g 6740 88-99-3 100 g 5320 1 Kg 15530 8.22298.0100 1 Kg 12230 MColorpHast(TM) Phosphorus pentachloride for synthesis 8.22298.1000 1.09543.0001 1 ST 2890 10026-13-8 pH-indicator strips pH 0 - 2.5 non-bleeding 8.22340.0100 C 100 g 4720 Phthalic anhydride for synthesis 8.22340.0500 C 500 g 8120 pH 0 - 0.5 - 1.0 - 1.3 - 1.6 - 1.9 - 2.2 - 8.22340.1000 C 10860 85-44-9 1 Kg 8.00592.0100 2.5 MColorpHast(TM) 8.00592.1000 C 100 g 4070 8.00592.5000 1 Kg 4550 1.09540.0001 1 ST 2890 di-Phosphorus pentasulfide for synthesis 5 Kg 11810 pH-indicator strips pH 11.0 - 13.0 non- 1314-80-3 8.21024.0100 bleeding pH 11.0 - 11.5 - 11.8 - 12.1 - 8.21024.1000 100 g 4380 Phthalide for synthesis 8.21024.2500 1 Kg 10530 12.3 - 12.5 - 12.8 - 13.0 MColorpHast(TM) 20550 87-41-2 2.5 Kg 8.07067.0100 1.09545.0001 1 ST 2890 8.07067.0250 100 g 5340 250 g 10770 pH-indicator strips pH 2.5 - 4.5 non- di-Phosphorus pentoxide extra pure bleeding pH 2.5 - 3.0 - 3.3 - 3.6 - 3.9 - 1314-56-3 1 Kg 10510 Phthalimide for synthesis 1.00540.1000 4.2 - 4.5 MColorpHast(TM) 85-41-6 1.09541.0001 1 ST 2890 di-Phosphorus pentoxide for analysis 8.07303.0100 100 g 4070 ACS,ISO,Reag. Ph Eur 8.07303.0500 500 g 4410 pH-indicator strips pH 4.0 - 7.0 non- 8.07303.1000 5200 1314-56-3 1 Kg bleeding pH 4.0 - 4.4 - 4.7 - 5.0 - 5.3 - 1.00570.0100 100 g 4330 1.00570.0500 500 g 9190 5.5 - 5.8 - 6.1 - 6.5 - 7.0 MColorpHast(TM) 1.09542.0001 1 ST 2890 Phosphorus (red) (stabilised) for synthesis Phthalimide potassium salt for synthesis pH-indicator strips pH 0 - 14 Universal 7723-14-0 1074-82-4 100 g 5820 8.07270.0100 8.07302.0100 1 Kg 25460 indicator non-bleeding pH 0 - 1 - 2 - 3 - 4 8.07270.0500 100 g 4190 8.07270.2500 500 g 8290 8.07302.1000 - 5 - 6 - 7 - 8 - 9 - 10 - 11 - 12 - 13 - 14 2.5 Kg 25680 MColorpHast(TM) Phthalimidoacetaldehyd diethylacetal for synthesis 1.09535.0001 1 ST 2330 Phosphorus tribromide for synthesis Phloroglucinol (1,3,5-trihydroxybenzene) 7789-60-8 50 ml 7670 78902-09-7 25 g 51150 for analysis 8.22321.0050 C 250 ml 41690 8.43662.0025 8.22321.0250 C 108-73-6 25 g 6010 Phthalonitrile for synthesis 1.07069.0025 100 g 15810 Phosphorus trichloride for synthesis 91-15-6 1.07069.0100 8.00593.0100 7719-12-2 100 g 4160 Phloroglucinol for synthesis 8.22322.0100 S 100 ml 4220 8.00593.0500 500 g 6060 8.22322.0500 S 500 ml 6020 108-73-6 100 g 12310 Phthaloyl dichloride for synthesis 8.18887.0100 Phosphoryl bromide for synthesis Phosphate standard solution traceable to 7789-59-5 88-95-9 50 ml 3730 8.21026.0025 C 8.21029.0050 250 ml 10360 SRM from NIST KH2PO4 in H2O 1000 mg/l 8.21026.0100 C 25 g 16550 100 g 69290 8.21029.0250 PO4 CertiPUR® 1.19898.0500 500 ml 4480 Phosphoryl chloride Msynth®plus Phytol (mixture of cis- and trans-isomers) for synthesis Phosphate standard 1000 mg PO4 (H3PO4 10025-87-3 8.45113.0250 in H2O) Titrisol® 8.45113.1000 250 ml 8310 7541-49-3 1l 16150 8.18605.0025 1.09870.0001 1 ST 3320 25 ml 12130 160 MERCKgroup.com For enquiries write to [email protected]

Product Order Pack Unit Price Product Order Pack Unit Price Product Order Pack Unit Price No. ` No. ` No. ` pH-indicator strips non-bleeding_.BR pH 0 pH Indicator Paper pH Indicator Paper - 14 Universal indicator pH 0 - 1 - 2 - 3 - 4 Booklets Replacement Rolls without color scale - 5 - 6 - 7 - 8 - 9 - 10 - 11 - 12 - 13 - 14 1.09535.0001 1 st 2330 Laboratory Reagents & Chemicals pH indicator paper .BR pH 1 - 10 Universal pH-indicator paper_.BR pH 0.5 - 5.0 pH-indicator strips non-bleeding pH 2-9 indicator including colour scale pH 1 - 2 - 3 Replacement rolls for 109560 and 109565 for pH measurements in turbid solutions - 4 - 5 - 6 - 7 - 8 - 9 - 10 Acilit® (suspensions) pH 2 - 3 - 4 - 5 - 6 - 7 - 8 1.09525.0003 1 st 7770 1.09568.0001 1 st 9300 -9 1.09502.0001 1 st 3290 pH-indicator paper_.BR pH 5.4 - 7.0 pH-indicator paper_.BR pH 1 - 10 pH-indicator strips non-bleeding_.BR pH Special indicator including colour scale pH Universal indicator Replacement rolls for 2.0 - 9.0 Special indicator pH 2.0 - 2.5 - <5.4 - 5.4 - 5.8 - 6.2 - 6.4 - 6.7 - 7.0 - 109526 3.0 - 3.5 - 4.0 - 4.5 - 5.0 - 5.5 - 6.0 - 6.5 >7.0 1.09527.0001 1 st 9300 - 7.0 - 7.5 - 8.0 - 8.5 - 9.0 1.09556.0003 1 st 7570 pH-indicator paper .BR pH 1 - 14 Universal 1.09584.0001 1 st 2890 pH-indicator paper pH 6.4 - 8.0 Special indicator Replacement rolls for 110962 pH-indicator strips non-bleeding_.BR pH indicator including colour scale pH 6.4 - 1.10232.0001 1 st 9300 2.5 - 4.5 Special indicator pH 2.5 - 3.0 - 6.7 - 7.0 - 7.2 - 7.5 - 7.7 - 8.0 - >8.0 pH-indicator paper_.BR pH 5.5 - 9.0 3.3 - 3.6 - 3.9 - 4.2 - 4.5 1.09557.0003 1 st 7570 Replacement rolls for 109564 and 109565 1.09541.0001 1 st 2890 pH-indicator paper_.BR pH 8.2 - 10.0 Neutralit® pH-indicator strips non-bleeding_.BR pH Special indicator including colour scale pH 1.09569.0001 1 st 9300 4.0 - 7.0 Special indicator pH 4.0 - 4.4 - < 8.2 - 8.2 - 8.5 - 8.8 - 9.0 - 9.3 - 9.6 - 4.7 - 5.0 - 5.3 - 5.5 - 5.8 - 6.1 - 6.5 - 7.0 10.0 pH-indicator paper_.BR pH 9.5 - 13.0 1.09542.0001 1 st 2890 1.09558.0003 1 st 7570 Replacement rolls for 109562 and 109565 pH indicator strips non-bleeding_.BR pH pH-indicator paper_.BR Special indicator Alkalit® 5.0 - 10.0 pH 5 - 5.5 - 6 - 6.5 - 7 - 7.5 - 8 pH 3.8 - 5.4 including colour scale pH < 1.09570.0001 1 st 9300 - 8.5 - 9 - 9.5 - 10 Neutralit® 3.8 - 3.8 - 4.1 - 4.4 - 4.6 - 4.8 - 5.1 - 5.4 1.09533.0001 1 st 2890 1.09555.0003 1 st 7570 pH-indicator strips non-bleeding_.BR pH pH Indicator Solution 6.5 - 10.0 Special indicator pH 6.5 - 6.8 - 7.1 - 7.4 - 7.7 - 7.9 - 8.1 - 8.3 - 8.5 - 8.7 pH-indicator solution pH 4.0 - 10.0 - 9.0 - 9.5 - 10.0 pH Indicator Paper Rolls Universal Indicator with colour card pH 1.09543.0001 1 st 2890 4.0 - 4.5 - 5.0 - 5.5 - 6.0 - 6.5 - 7.0 - 7.5 pH-indicator strips non-bleeding_.BR pH - 8.0 - 8.5 - 9.0 - 9.5 - 10.0 7.5 - 14 pH 7.5 - 8 - 8.5 - 9 - 9.5 - 10 pH-indicator paper .BR 0.5 - 13.0 pH-Box 1.09175.0100 100 ml 3340 - 10.5 - 11 - 11.5 - 12 - 12.5 - 13 - 14 with Acilit® (pH 0.5-5.0), Neutralit® (pH 1.09175.1000 1 l 23830 Alkalit® 5.5-9.0), Alkalit® (9.5-13.0) and 3 colour pH Indicator Solution .BR pH 9 - 13 with 1.09532.0001 1 st 2890 scales colour card pH-indicator strips non-bleeding_.BR pH 1.09565.0001 1 st 8640 1.09176.0100 100 ml 4170 11.0 - 13.0 Special indicator pH 11.0 - pH-indicator paper_.BR pH 0.5 - 5.0 pH Indicator Solution .BR pH 0 - 5 with 11.5 - 11.8 - 12.1 - 12.3 - 12.5 - 12.8 including colour scale pH 0.5 - 1.0 - 1.5 - colour card - 13.0 2.0 - 2.5 - 3.0 - 3.5 - 4.0 - 4.5 - 5.0 Acilit® 1.09177.0100 100 ml 4450 1.09545.0001 1 st 2890 1.09560.0003 1 st 7570 pH-indicator strips non-bleeding .BR pH 0 - pH-indicator paper_.BR pH 1 - 10 2.5 Special indicator pH 0 - 0.5 - 1.0 - 1.3 Universal indicator including colour scale pH Indicator strips - 1.6 - 1.9 - 2.2 - 2.5 non-bleeding 1.09540.0001 1 st 2890 pH 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9 - 10 Pimelic acid for synthesis 1.09526.0003 1 st 7570 111-16-0 8.00668.0050 pH-indicator paper_.BR pH 1 - 14 8.00668.0250 50 g 10590 250 g 30430 Universal indicator including colour scale pH 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9 - 10 - Pimelonitrile for synthesis 12 - 14 646-20-8 8.18802.0050 1.10962.0003 1 st 7570 50 ml 12840 pH-indicator paper_.BR pH 5.5 - 9.0 Pinacol for synthesis including colour scale pH 5.5 - 6.0 - 6.5 - 76-09-5 8.21032.0025 7.0 - 7.5 - 8.0 - 8.5 - 9.0 Neutralit® 8.21032.0100 25 g 9850 100 g 21130 1.09564.0003 1 st 7570 pH-indicator paper .BR pH 9.5 - 13.0 pH-indicator strips non-bleeding_.BR pH 0 Pinane for synthesis including colour scale pH 9.5 - 10.0 - 10.5 - 6.0 pH 0 - 0.5 - 1 - 1.5 - 2 - 2.5 - 3 - 3.5 473-55-2 8.14657.0250 - 11.0 - 11.5 - 12.0 - 12.5 - 13.0 Alkalit® - 4 - 4.5 - 5 - 5.5 - 6 Acilit® 8.14657.1000 250 ml 3160 1l 8230 1.09562.0003 1 st 7570 1.09531.0001 1 st 2890 S : The items can be transported only by Sea Freight AL : Aluminium PE : Polyethylene 161 C : The items can be transported by Air Cargo GA : Glass Ampoule SB: Septum Bottle B : The items can be supplied against end user order copy only GB : Glass Bottle ** : PO & EUD Required

Part 2 Advanced Analytics Product Order Pack Unit Price Product Order Pack Unit Price Product Order Pack Unit Price No. ` No. ` No. ` (1R)-(+)-alpha-Pinene for synthesis 4-Piperidinone monohydrate hydrochloride Platinum(IV) chloride (57.5% Pt) for synthesis anhydrous, for synthesis 7785-70-8 8.18632.0100 100 ml 8490 40064-34-4 13454-96-1 8.41672.0010 8.07347.8100 (1S)-(-)-alpha-Pinene for synthesis 10 g 4610 100 mg 8410 8.41672.0050 50 g 14410 8.07347.0001 1g 34520 7785-26-4 5g 109940 8.18405.0100 100 ml 3280 Piperine for synthesis 8.07347.0005 8.18405.0500 500 ml 8810 94-62-2 Platinum(IV) oxide hydrate (80% Pt) (1S)-(-)-ß-Pinene for synthesis 8.21036.0010 10 g 15730 hydrogenation catalyst for synthesis 18172-67-3 Piperonylbutoxide for synthesis 52785-06-5 500 mg 22330 8.41132.0100 8.07346.8500 1g 25690 100 ml 4800 51-03-6 25 ml 2890 8.40080.0025 500 ml 45530 8.07346.0001 Piperazine (anhydrous) Msynth®plus 8.40080.0500 Polyethylene glycol 1000 for synthesis 110-85-0 8.45120.0250 250 g 7080 Piperonylic acid for synthesis 25322-68-3 1 Kg 7530 8.45120.1000 1 Kg 23530 8.07488.1000 5 Kg 15170 94-53-1 25 g 11350 8.41707.0025 8.07488.5000 Piperazine anhydrous for synthesis Pivalic acid for synthesis Polyethylene glycol 10000 for synthesis 110-85-0 5g 3210 75-98-9 100 ml 3940 25322-68-3 1 Kg 7530 8.07325.0005 250 g 4960 8.01336.0100 1l 9580 8.21881.1000 5 Kg 21940 8.07325.0250 16410 8.07325.1000 1 Kg 8.01336.1000 8.21881.5000 2,5-Piperazinedione for synthesis Pivalic anhydride for synthesis Polyethylene glycol 1500 for synthesis 106-57-0 25 g 10770 1538-75-6 25 ml 9200 25322-68-3 1 Kg 7690 8.14160.0025 8.01302.0025 100 ml 25270 8.07489.1000 5 Kg 23030 8.01302.0100 8.07489.5000 2-(1-Piperazinyl)ethanol for synthesis Plastic bottle, 1 l with S40 screw cap, in Polyethylene glycol 200 for synthesis 103-76-4 100 ml 5020 UN-approved transport box 25322-68-3 1 l 7530 8.04312.0100 500 ml 25410 8.07483.1000 5 l 25890 8.04312.0500 1.10178.0001 1 ST 10030 8.07483.5000 Plastic bottle, 500 ml with S40 screw cap, 2-(1-Piperazinyl)ethylamine for synthesis Polyethylene glycol 2000 for synthesis in UN-approved transport box 140-31-8 25322-68-3 8.00361.0250 250 ml 3210 1.10188.0001 1 ST 10790 8.21037.1000 1 Kg 8380 5 Kg 21330 Piperidine for analysis EMSURE® cis-Platinum (65% Pt) for synthesis 8.21037.5000 110-89-4 15663-27-1 100 mg 7380 Polyethylene glycol 20000 for synthesis 1.09724.0100 GB 8.24510.0100 500 mg 30590 1.09724.0500 GB 100 ml 2960 25322-68-3 1 Kg 8040 500 ml 15060 8.24510.0500 8.18897.1000 5 Kg 25070 Piperidine Msynth®plus Platinum black 98+ 8.18897.5000 110-89-4 7440-06-4 5 g 155910 Polyethylene glycol 300 for synthesis 8.45111.0100 1.19233.0005 8.45111.0500 100 ml 3530 25322-68-3 500 ml 17380 Platinum ICP standard traceable to SRM 8.07484.1000 1 l 7620 5 l 20700 Piperidine for synthesis from NIST H2PtCl6 in HCl 7% 1000 mg/l Pt 8.07484.5000 110-89-4 CertiPUR® Polyethylene glycol 3000 for synthesis 8.22299.0100 8.22299.0500 100 ml 2400 1.70341.0100 100 ml 61230 25322-68-3 8.22299.2500 500 ml 12160 8.19015.1000 2.5 l 43360 Platinum powder 99+ 1 Kg 7530 8.19015.5000 5 Kg 21940 7440-06-4 1 g 30230 4-Piperidinecarboxylic acid for synthesis 1.19232.0001 Polyethylene glycol 35000 (stabilised with 2-tert-butyl-4-methoxyphenol) for 498-94-2 Platinum standard solution traceable to synthesis 8.14034.0025 25 g 4070 SRM from NIST H2PtCl6 in HCl 2 mol/l Piperidinium chloride for synthesis 1000mg/l Pt CertiPUR® 25322-68-3 8.18892.1000 1.70219.0100 100 ml 20410 1 Kg 8930 8.18892.5000 5 Kg 26080 6091-44-7 100 g 5040 1.70219.0500 500 ml 35710 8.21034.0100 500 g 13960 8.21034.0500 Platinum/charcoal activated (10% Pt) Polyethylene glycol 400 for synthesis 3-Piperidinol for synthesis hydrogenation catalyst for synthesis 25322-68-3 8.07485.1000 8.07339.0001 1 g 6230 1 l 8040 8.07485.5000 5 l 21940 6859-99-0 10 g 8320 8.07339.0005 5 g 19820 8.07539.0010 Platinum(II) acetylacetonate (50% Pt) Polyethylene glycol 4000 for synthesis catalyst for synthesis 4-Piperidinol for synthesis 25322-68-3 8.07490.1000 5382-16-1 10 g 10460 15170-57-7 1 g 29660 1 Kg 7530 8.21879.0010 8.14689.0001 8.07490.5000 5 Kg 20700 2-Piperidinone for synthesis Platinum(II) chloride (73% Pt) for Polyethylene glycol 600 for synthesis synthesis 675-20-7 25322-68-3 8.21035.0025 25 g 4240 10025-65-7 500 mg 26160 8.07486.1000 1 l 6770 8.21035.0100 100 g 14280 8.24566.0500 5 l 20700 8.07486.5001 162 MERCKgroup.com For enquiries write to [email protected]

Product Order Pack Unit Price Product Order Pack Unit Price Product Order Pack Unit Price No. ` No. ` No. ` Polyethylene glycol 6000 for synthesis Polyvinyl alcohol, fully hydrolyzed (Mw Potassium bromide for analysis EMSURE® approx. 30000) for synthesis ACS,Reag. Ph Eur 25322-68-3 8.07491.1000 1 Kg 8380 9002-89-5 100 g 4960 7758-02-3 500 g 3390 Laboratory Reagents & Chemicals 5 Kg 28750 8.21039.0100 1 Kg 11960 1.04905.0500 8.07491.5000 8.21039.1000 Polyethylene glycol diacid for synthesis POTASSIUM BROMIDE UVASOL F/ IR Polyvinyl alcohol, fully hydrolyzed (Mw SPECTROSCOPY Uvasol® 39927-08-7 approx.15000) for synthesis 8.43912.0250 250 ml 37320 7758-02-3 1 l 118300 9002-89-5 100 g 4730 1.04907.0100 GB 100 g 7490 8.43912.1000 8.43865.0100 1 Kg 22770 500 g 24610 1.04907.0500 GB Polyethylene glycol dimethyl ether 2000 8.43865.1000 for synthesis Potassium carbonate for analysis EMSURE® Polyvinyl alcohol, partially hydrolyzed (Mw ACS,ISO,Reag. Ph Eur 24991-55-7 approx. 30000) for synthesis 8.14172.0500 500 g 11110 584-08-7 500 g 5230 1.04928.0500 1 Kg 8040 Polyethylene glycol dimethyl ether 250 for 25213-24-5 100 g 5470 synthesis 8.43868.0100 1 Kg 15330 1.04928.1000 24991-55-7 8.43868.1000 Potassium carbonate/sodium carbonate GR 8.14173.0500 500 ml 11860 Polyvinyl alcohol, partially hydrolyzed (Mw for analysis approx.160000) for synthesis 1.06683.0500 500 g 9630 Polyethylene glycol dimethyl ether 500 25213-24-5 1.06683.2500 2.5 Kg 34760 (stabilised) for synthesis 8.43870.0100 100 g 5470 Potassium carbonate-1.5-hydrate 99.995 24991-55-7 500 ml 16250 8.43870.1000 1 Kg 7310 Suprapur® 8.14171.0500 Polyvinyl alcohol, partially hydrolyzed (Mw 6381-79-9 Poly(methyl hydrogen siloxane) for approx.200000) for synthesis 1.04926.0050 50 g 14770 synthesis 250 g 23520 25213-24-5 1.04926.0250 8.43871.0100 26403-67-8 250 ml 11560 100 g 5470 Potassium chlorate for analysis EMSURE® 8.18063.0250 1l 23750 8.43871.1000 1 Kg 7340 3811-04-9 8.18063.1000 Polyvinyl alcohol, partially hydrolyzed (Mw 1.04944.0100 100 g 7030 approx.70000) for synthesis 500 g 10150 Polyphosphoric acid for synthesis 1.04944.0500 8017-16-1 25213-24-5 Potassium chloride 99.999 Suprapur® 8.07471.0100 8.43869.0100 100 ml 3430 100 g 5470 7447-40-7 50 g 17520 8.07471.0500 500 ml 7690 8.43869.1000 1 Kg 7300 1.04938.0050 500 g 75920 2.5 l 23410 8.07471.2500 Potassium-O-ethyldithiocarbonate for 1.04938.0500 synthesis Polytetrahydrofuran 1000 (stabilised with Potassium chloride for analysis EMSURE® 2,6-di-tert-butyl-4-methylphenol) for synthesis 140-89-6 100 g 4150 7447-40-7 250 g 3170 8.20744.0100 500 g 18650 1.04936.0250 500 g 5120 25190-06-1 7870 8.18402.0100 8.20744.0500 1.04936.0500 1 Kg 27550 5 Kg 8.18402.0500 100 g 3520 Potassium antimony(III) oxide tartrate 1.04936.1000 500 g 8320 trihydrate extra pure 1.04936.5000 Polyvidone 25 Ph Eur,BP 28300-74-5 250 g 7680 Potassium chloride for analysis (<= 1.08092.0250 1 Kg 19180 0.005% Br) EMSURE® ACS,ISO,Reag. Ph 9003-39-8 100 g 4980 Eur 1.07443.0100 1 Kg 23980 1.08092.1000 1.07443.1000 Potassium bis(trimethylsilyl)amide (0.5 7447-40-7 500 g 9520 1.04933.0500 Polyvinyl alcohol protective colloid for molar solution in toluene) for synthesis argentometric titration Potassium chloride solution (nominal 111 8.43668.0100 100 ml 20920 mS/cm) certified reference material for the 9002-89-5 Potassium borohydride for synthesis 1.14266.0100 100 g 3650 measurement of electrolytic conductivity 13762-51-1 25 g 5200 (c=1.0 mol/l) CertiPUR® 8.20747.0025 100 g 13270 Polyvinyl alcohol, fully hydolyzed (Mw 97890 1.01255.0500 500 ml 32620 approx. 145000) for synthesis 8.20747.0100 1 Kg Potassium chloride solution 3 mol/l 9002-89-5 8.20747.1000 8.14894.0101 1.04817.0250 250 ml 2990 100 g 4110 Potassium bromate for analysis EMSURE® 8.14894.1001 1 Kg 13330 ACS,ISO,Reag. Ph Eur Potassium chloride solution (nominal 1.41 Polyvinyl alcohol, fully hydrolized (Mw 7758-01-2 mS/cm) certified reference material for the approx. 60000) for synthesis 1.04912.0100 100 g 10440 measurement of electrolytic conductivity, 1.04912.0250 250 g 13900 traceable to PTB and NIST (c=0.01 mol/l) 9002-89-5 100 g 3210 CertiPUR® 8.43866.0100 1 Kg 7650 Potassium bromate solution for 1000 ml, 1.01553.0001 1 ST 11310 8.43866.1000 c(KBrO3) = 1/60 mol/l (0.1 N) Titrisol® Potassium chloride solution (nominal 12.8 Polyvinyl alcohol, fully hydrolyzed (Mw 1.09925.0001 1 ST 6290 mS/cm) certified reference material for the approx. 200000) for synthesis Potassium bromide 99.999 Suprapur® measurement of electrolytic conductivity, 9002-89-5 7758-02-3 traceable to PTB and NIST (c=0.1 mol/l) 8.43867.0100 1.04904.0100 100 g 5470 100 g 21510 CertiPUR® 8.43867.1000 1 Kg 15230 1.04904.0500 500 g 58420 1.01554.0001 1 ST 11310 S : The items can be transported only by Sea Freight AL : Aluminium PE : Polyethylene 163 C : The items can be transported by Air Cargo GA : Glass Ampoule SB: Septum Bottle B : The items can be supplied against end user order copy only GB : Glass Bottle ** : PO & EUD Required

Part 2 Advanced Analytics Product Order Pack Unit Price Product Order Pack Unit Price Product Order Pack Unit Price No. ` No. ` No. ` Potassium chloride solution (nominal 0.147 Potassium dichromate solution for 1000 Potassium ethylate for synthesis mS/cm) certified reference material for the ml, c(K2Cr2O7) = 1/60 mol/l (0.1 N) 917-58-8 8.14208.0100 measurement of electrolytic conductivity, Titrisol® 8.14208.0500 100 g 10260 500 g 44110 traceable to PTB and NIST (c = 0.001 1.09928.0001 1 ST 3440 mol/l) CertiPUR® Potassium dichromate solution for Potassium fluoride for analysis EMSURE® ACS 1.01586.0001 1 ST 11310 determination of COD c(K2Cr2O7) = 0.020 Potassium chloride solution (nominal 0.015 mol/l TitriPUR® 7789-23-3 1.04994.0250 mS/cm) certified reference material for the 1.09119.1000 1 l 4060 1.04994.1000 250 g 7130 1 Kg 17780 measurement of electrolytic conductivity, Potassium dichromate standard traceable to PTB and NIST (c=0.0001 solutions in sulfuric acid (0.01N) Test Potassium hexachloroplatinate(IV) 99+ mol/l) CertiPUR® set for calibrating the absorbance of 16921-30-5 1.19238.0001 1.01811.0105 1 ST 35900 spectrophotometers 1.19238.0005 1 g 13420 5 g 53650 Potassium chloride solution (nominal 0.147 1.08158.0001 1 ST 43560 mS/cm) certified reference material for the Potassium dichromate tablets for Potassium hexacyanoferrate(II) trihydrate for analysis EMSURE® ACS,ISO,Reag. Ph measurement of electrolytic conductivity preserving milk investigation samples Eur (c=0.001 mol/l) CertiPUR® 1.04858.0001 1 ST 25940 1.01557.0500 500 ml 32620 14459-95-1 1.04984.0100 Potassium chloride solution (nominal 1.41 Potassium dichromate volumetric standard, 1.04984.0500 100 g 2610 secondary reference material for redox 500 g 5670 mS/cm) certified reference material for the titration, traceable to NIST SRM CertiPUR® measurement of electrolytic conductivity 7778-50-9 Potassium hexacyanoferrate(II) trihydrate 1.02403.0080 extra pure (c=0.01 mol/l) CertiPUR® 80 g 12630 1.01203.0500 500 ml 32620 Potassium dihydrogen phosphate 14459-95-1 anhydrous 99.995 Suprapur® 1.04982.1000 Potassium chloride solution (nominal 12.8 1 Kg 6970 mS/cm) certified reference material for the 7778-77-0 Potassium hexacyanoferrate(III) for 1.05108.0050 analysis EMSURE® ACS,Reag. Ph Eur measurement of electrolytic conductivity 50 g 19690 1.05108.0250 250 g 31440 (c=0.1 mol/l) CertiPUR® 500 g 66460 13746-66-2 1.05108.0500 1.04973.0100 1.01254.0500 500 ml 32620 1.04973.0250 100 g 3590 1.04973.1000 250 g 4770 Potassium chloride solution saturated with Potassium dihydrogen phosphate for 11930 analysis EMSURE® ISO 1 Kg silver chloride 3 mol/l Potassium hexacyanoferrate(III) pure 1.04818.0100 100 ml 3960 7778-77-0 1.04873.0250 Potassium chromate for analysis EMSURE® 250 g 1740 13746-66-2 1 Kg 9540 ACS,Reag. Ph Eur 1.04873.1000 1 Kg 4340 1.04971.1000 5 Kg 15120 7789-00-6 1.04873.5000 Potassium hexahydroxoantimonate(V) 1.04952.0250 cryst. for analysis EMSURE® 250 g 5490 Potassium dihydrogen phosphate for 1.04952.1000 1 Kg 13700 analysis (<= 0.005% Na) EMSURE® 12208-13-8 100 g 4210 ACS,ISO,Reag. Ph Eur 1.05110.0100 Potassium (cubes) under protective liquid 7778-77-0 1 Kg 5620 di-Potassium hydrogen phosphate for synthesis 1.04877.1000 trihydrate for analysis EMSURE® 7440-09-7 C 25 g 9840 Potassium dihydrogen phosphate solution 16788-57-1 250 g 3320 8.04815.0025 C 100 g 25890 1.05099.0250 1 Kg 7560 C 250 g 45950 (buffer stock solution) 1/15 mol/l 1.05099.1000 5 Kg 26450 8.04815.0100 1.05099.5000 1.04875.1000 1 l 6570 8.04815.0250 Potassium cyanate for synthesis Potassium dihydrogen phosphate, di- Potassium hydride (suspension 35% in paraffin oil) for synthesis 590-28-3 Sodium hydrogen phosphate certified 8.04957.0100 100 g 4160 secondary standard reference material for 7693-26-7 8.04957.1000 1 Kg 7270 8.18890.0025 pH measurement; directly traceable to 25 g 18170 Potassium dichromate for analysis (max. primary SRM from NIST/PTB pH(S)=6.863/ 0.000001% Hg) EMSURE® ACS,ISO pH(S)=7.416 (25°C) (DIN 19266) Potassium hydrogen carbonate for analysis EMSURE® ACS Certipur® 7778-50-9 500 g 15420 1.01960.0001 1 ST 45770 298-14-6 1.04865.0500 1.04854.0500 Potassium disulfate (Potassium 500 g 6210 pyrosulfate) for analysis EMSURE® ACS Potassium dichromate for analysis Potassium hydrogen diiodate for analysis EMSURE® ACS,ISO,Reag. Ph Eur 7790-62-7 EMSURE® 1.05107.1000 7778-50-9 500 g 10280 1 Kg 17030 13455-24-8 50 g 13790 1.04864.0500 1 Kg 15830 1.05107.5000 5 Kg 59610 1.04867.0050 5 Kg 55320 1.04864.1000 Potassium disulfite for analysis EMSURE® Potassium hydrogen monopersulfate for synthesis 1.04864.5000 16731-55-8 1.05057.0500 Potassium dichromate solution c(K2Cr2O7) 500 g 3590 70693-62-8 1.05057.1000 1 Kg 5520 8.18401.0100 = 1/24 mol/l (0.25 N) TitriPUR® 11030 8.18401.0500 100 g 3090 1.05057.2500 2.5 Kg 500 g 5800 1.09118.1000 1 l 4510 164 MERCKgroup.com For enquiries write to [email protected]

Product Order Pack Unit Price Product Order Pack Unit Price Product Order Pack Unit Price No. ` No. ` No. ` di-Potassium hydrogen phosphate Potassium hydroxide pellets for analysis (max. Potassium ICP standard traceable to SRM anhydrous for analysis EMSURE® 0.05% Na) EMSURE® ACS,Reag. Ph Eur from NIST KNO3 in HNO3 2-3% 1000 mg/l 7758-11-4 1310-58-3 K CertiPUR® 1.05104.1000 1.05029.1000 1 Kg 8360 1 Kg 10810 1.70342.0100 100 ml 17410 Laboratory Reagents & Chemicals di-Potassium hydrogen phosphate Potassium hydroxide pellets for analysis Potassium ICP standard traceable to SRM anhydrous 99.99 Suprapur® EMSURE® from NIST KNO3 in HNO3 2-3% 10000 7758-11-4 1310-58-3 mg/l K CertiPUR® 1.05109.0100 1.05033.0500 100 g 28870 1.05033.1000 500 g 2320 1.70377.0100 100 ml 34810 1.05109.0250 250 g 38400 1.05033.5000 1 Kg 3550 500 g 78180 C 5 Kg 12820 Potassium iodate for analysis EMSURE® 1.05109.0500 ACS,ISO,Reag. Ph Eur di-Potassium hydrogen phosphate Potassium hydroxide pellets pure 7758-05-6 100 g 6990 trihydrate buffer substance for 1.05051.0100 500 g 15130 chromatography LiChropur® 1310-58-3 1 Kg 2850 1.05051.0500 1.05012.1000 5 Kg 10260 16788-57-1 1.05012.5000 Potassium iodate solution for 1000 ml, 1.19754.0250 250 g 7150 Potassium hydroxide (powder) for c(KIO3) = 1/60 mol/l (0.1 N) Titrisol® synthesis Potassium hydrogen phthalate certified 1.09917.0001 1 ST 8900 secondary standard reference material for pH measurement; directly traceable 1310-58-3 100 g 1470 Potassium iodate volumetric standard, to primary SRM from NIST/PTB pH(S) = 8.14353.0100 1 Kg 8470 secondary reference material for 4.005 (25°C) (DIN 19266) Certipur® 8.14353.1000 iodometry, traceable to NIST SRM CertiPUR® Potassium hydroxide solution (max. 877-24-7 25 g 22890 0.00004 % Ca) c(KOH) = 1 mol/l (1 N) 7758-05-6 100 g 22240 1.01965.0025 1.02404.0100 TitriPUR® Potassium hydrogen phthalate for analysis 1.09107.1000 1 l 3780 Potassium iodide 99.995 Suprapur® EMSURE® Reag. Ph Eur Potassium hydroxide solution c(KOH) = 0.1 7681-11-0 50 g 17130 1.05044.0050 500 g 103860 877-24-7 mol/l (0.1 N) TitriPUR® 1.05044.0500 1.04874.0250 250 g 5560 1.09112.1000 1 l 2910 1.04874.1000 1 Kg 13870 Potassium hydroxide solution in Potassium iodide for analysis EMSURE® ISO,Reag. Ph Eur Potassium hydrogen phthalate Volumetric isopropanol acc. to DIN 51558 part 1 standard, secondary reference material for 7681-11-0 alkalimetry, traceable to NIST Standard c(KOH)=0.1 mol/l (0,1 N) TitriPUR® 1.05043.0250 250 g 15890 Reference Material (SRM) CertiPUR® 1.05043.0500 500 g 25810 1.05544.1000 1 l 8590 1.05043.1000 39710 1.05043.2500 1 Kg 79410 877-24-7 Potassium hydroxide solution 47% for 2.5 Kg 1.02400.0080 80 g 14310 analysis EMSURE® 1.05545.1000 1 l 5580 Potassium methylate (30-35% solution in Potassium hydrogen sulfate for analysis Potassium hydroxide solution c(KOH) = 1 methanol) for synthesis EMSURE® Reag. Ph Eur mol/l (1 N) TitriPUR® 8.14222.0100 100 ml 3790 7646-93-7 500 g 6010 1.09108.1000 1 l 3780 8.14222.0500 500 ml 7710 1.04885.0500 2.5 Kg 18460 Potassium hydroxide solution for 1000 ml, Potassium methylate for synthesis 1.04885.2500 c(KOH) = 0.1 mol/l (0.1 N) Titrisol® 865-33-8 8.20746.0100 Potassium hydrogen tartrate certified 1.09921.0001 1 ST 2340 8.20746.0250 100 g 5180 secondary standard reference material for 250 g 11470 pH measurement; directly traceable to Potassium hydroxide solution for 1000 ml, primary SRM from NIST/PTB pH(S)= 3.639 (25°C) (DIN 19266) Certipur® c(KOH) = 0.5 mol/l (0.5 N) Titrisol® Potassium nitrate 99.995 Suprapur® 1.09919.0001 1 ST 2300 7757-79-1 1.05065.0050 868-14-4 Potassium hydroxide solution for 1000 ml, 1.05065.0500 50 g 10180 1.01963.0025 500 g 70460 25 g 22890 c(KOH) = 1 mol/l (1 N) Titrisol® Potassium hydroxide (powder) for 1.09918.0001 1 ST 3040 Potassium nitrate for analysis EMSURE® synthesis ISO,Reag. Ph Eur Potassium hydroxide solution in ethanol 7757-79-1 1310-58-3 c(KOH) = 0.1 mol/l (0.1 N) TitriPUR® 1.05063.0500 500 g 3070 8.14353.5000 1.05063.1000 1 Kg 4730 5 Kg 17510 1.09115.1000 1 l 6700 1.05063.5000 5 Kg 16500 Potassium hydroxide hydrate 99.995 1.09115.2500 2.5 l 13390 C Suprapur® Potassium hydroxide solution in ethanol Potassium nitrite cryst. for analysis EMSURE® ACS 26288-25-5 c(KOH) = 0.5 mol/l (0.5 N) TitriPUR® 1.05002.0500 500 g 122120 1.09114.1000 1 l 7450 7758-09-0 1.05067.0250 Potassium hydroxide pellets for 1.09114.2500 2.5 l 14890 1.05067.1000 250 g 7080 analysis (max. 0.002% Na) EMSURE® 1 Kg 17670 ACS,ISO,Reag. Ph Eur Potassium hydroxide solution in methanol c(KOH) = 0.5 mol/l (0.5 N) TitriPUR® Potassium nonafluoro-1-butanesulfonate for synthesis 1310-58-3 1.09351.1000 1 l 5810 1.05021.0250 250 g 8300 Potassium hydroxide solution in methanol 29420-49-3 1.05021.1000 1 Kg 18430 8.18662.0010 5 Kg 66640 c(KOH) = 2.0 mol/l (2 N) TitriPUR® 8.18662.0050 10 g 4420 1.05021.5000 50 g 15230 C 1.11787.2500 C 2.5 l 17800 S : The items can be transported only by Sea Freight AL : Aluminium PE : Polyethylene 165 C : The items can be transported by Air Cargo GA : Glass Ampoule SB: Septum Bottle B : The items can be supplied against end user order copy only GB : Glass Bottle ** : PO & EUD Required

Part 2 Advanced Analytics Product Order Pack Unit Price Product Order Pack Unit Price Product Order Pack Unit Price No. ` No. ` No. ` Potassium standard dissolved in oil 1 g/kg Potassium standard 1000 mg K, (KCl in Praseodymium ICP standard traceable to K CertiPUR® H2O) Titrisol® SRM from NIST Pr(NO3)3 in HNO3 2-3% 1.15054.0100 100 ml 29000 1.09924.0001 1 ST 5040 1000 mg/l Pr CertiPUR® Potassium osmate dihydrate for synthesis Potassium standard solution traceable to 1.70343.0100 100 ml 33990 10022-66-9 SRM from NIST KNO3 in HNO3 0.5 mol/l (S)-(-)-Proline for synthesis 8.18055.0001 1 g 17090 1000 mg/l K CertiPUR® 147-85-3 25 g 5840 8.16019.0025 100 g 17640 di-Potassium oxalate monohydrate for 1.70230.0100 100 ml 3880 8.16019.0100 analysis EMSURE® ACS 1.70230.0500 500 ml 5420 6487-48-5 Potassium sulfate 99.999 Suprapur® Propanephosphonic acid anhydride (50% 1.05073.0250 250 g 4120 7778-80-5 solution in Dimethyl formamide) for 1.05073.1000 1 Kg 10290 1.05152.0100 1.05152.0500 100 g 31970 synthesis T3P® 500 g 69260 Potassium perchlorate for analysis 8.43944.0025 25 ml 13480 EMSURE® ACS 8.43944.0100 100 ml 41380 7778-74-7 Potassium sulfate for analysis EMSURE® Propanephosphonic acid anhydride (50% 1.05076.0250 ACS,ISO,Reag. Ph Eur 250 g 12640 solution in ethyl acetate) for synthesis 1.05076.1000 1 Kg 31590 7778-80-5 1.05153.0500 500 g 3230 T3P® 1.05153.1000 1 Kg 4950 Potassium permanganate cryst. extra pure 1.05153.5000 5 Kg 17310 8.43942.0025 25 ml 8140 8.43942.0100 100 ml 23630 7722-64-7 1 Kg 11810 Potassium sulfide small lumps for analysis Propanephosphonic acid anhydride (50% 1.05080.1000 EMSURE® solution in 2-Methyltetrahydrofuran) for Potassium permanganate for analysis (max. 0.000005% Hg) EMSURE® ACS synthesis T3P® 39365-88-3 250 g 6870 8.43943.0025 25 ml 13480 1.05134.0250 1 Kg 17170 7722-64-7 1.05134.1000 8.43943.0100 100 ml 40390 1.05084.1000 1 Kg 18930 2-Propane sulfonyl chloride for synthesis Potassium permanganate for analysis Potassium superoxide for synthesis 10147-37-2 EMSURE® ACS,Reag. Ph Eur 8.41009.0005 12030-88-5 5 ml 11400 8.14151.0050 7722-64-7 50 g 28840 Propane-1,2,3-tricarboxylic acid for 1.05082.0250 synthesis 250 g 7000 Potassium tert-butylate (~ 20% solution in 1.05082.1000 1 Kg 14560 99-14-9 tetrahydrofuran) for synthesis 8.41650.0010 Potassium permanganate solution 10 g 10550 8.43849.0050 50 ml 6860 standardised against sodium thiosulfate 8.43849.0250 250 ml 25690 1,2-Propanediol EMPLURA® c(KMnO4) = 0.02 mol/l (0.1 N) TitriPUR® 57-55-6 1.09121.1000 1 l 5210 Potassium tert-butylate for synthesis 8.22324.1000 1l 3360 Potassium permanganate solution for 1000 865-47-4 100 g 6350 (S)-(+)-1,2-Propanediol for synthesis 8.04918.0100 250 g 14400 ml, c(KMnO4) = 0,002 mol/l (0.01 N) 8.04918.0250 4254-15-3 8.14133.0001 Titrisol® 8.14133.0005 1 ml 6160 5 ml 21940 1.09930.0001 1 ST 3830 Potassium tetrachloroplatinate(II) 99+ Potassium permanganate solution for 10025-99-7 5 g 74760 1,3-Propanediol for synthesis 1.19235.0005 1000 ml, c(KMnO4) = 0.02 mol/l (0.1 N) 504-63-2 Titrisol® Potassium tetraoxalate dihydrate certified 8.07481.0005 5 ml 2890 secondary standard reference material 8.07481.0250 250 ml 10720 1.09935.0001 1 ST 4160 for pH measurement; directly traceable 8.07481.1000 35720 to primary reference material from NIST/ 1l Potassium peroxodisulfate for analysis (<= PTB pH(S)=1.681 (25°C) (DIN 19266) 0.001% N) EMSURE® ACS,Reag. Ph Eur Certipur® 1,3-Propanedithiol for synthesis 7727-21-1 250 g 9560 6100-20-5 109-80-8 50 ml 16150 1.05092.0250 1.01961.0025 8.21042.0050 Potassium peroxodisulfate for analysis 25 g 22890 1-Propanethiol for synthesis EMSURE® Potassium thioacetate for synthesis 107-03-9 7727-21-1 8.07529.0005 5 ml 2890 1.05091.0250 250 g 3680 10387-40-3 25 g 13350 8.07529.0250 250 ml 6330 1 Kg 9190 8.41002.0025 100 g 28770 1.05091.1000 8.41002.0100 1-Propanol for analysis EMSURE® ACS,Reag. Ph Eur di-Potassium phthalate for synthesis Potassium thiocyanate for analysis EMSURE® ACS,ISO,Reag. Ph Eur 4409-98-7 100 g 6700 71-23-8 1l 6000 8.22080.0100 1.00997.1000 GB 2.5 l 12520 1.00997.2500 GB Potassium sodium tartrate tetrahydrate for 333-20-0 250 g 4210 analysis EMSURE® ACS,ISO,Reag. Ph Eur 1.05125.0250 1 Kg 10480 1-Propanol for liquid chromatography 1.05125.1000 LiChrosolv® 6381-59-5 1.08087.0500 500 g 5340 Potassium thiocyanate pure 71-23-8 1 Kg 8220 1.01024.1000 GB 1.08087.1000 5 Kg 28710 333-20-0 1 Kg 5040 1.01024.2500 GB 1l 8710 1.05124.1000 2.5 l 18130 1.08087.5000 166 MERCKgroup.com For enquiries write to [email protected]

Product Order Pack Unit Price Product Order Pack Unit Price Product Order Pack Unit Price No. ` No. ` No. ` 2-Propanethiol for synthesis Propionaldehyde for synthesis Propylbenzene for synthesis 75-33-2 100 ml 5200 123-38-6 100 ml 3430 103-65-1 5 ml 3810 Laboratory Reagents & Chemicals 8.07532.0100 500 ml 9920 8.22133.0100 1l 7350 8.07521.0005 250 ml 10810 35880 8.07532.0500 8.22133.1000 8.07521.0250 1l 2-Propanol for analysis EMSURE® Propionamide for synthesis 8.07521.1000 ACS,ISO,Reag. Ph Eur 79-05-0 50 g 10560 4-Propylcyclohexanone for synthesis 8.21046.0050 250 g 30430 67-63-0 GB 1l 4120 40649-36-3 5 ml 3190 1.09634.1000 PE 1l 3750 8.21046.0250 8.14584.0005 25 ml 11920 GB 2.5 l 7070 250 ml 45040 1.09634.1011 PE 2.5 l 6420 Propionic acid for synthesis 8.14584.0025 PE 5l 14020 1.09634.2500 79-09-4 8.14584.0250 8.00605.0100 1.09634.2511 100 ml 4110 Propylene carbonate for synthesis 8.00605.0500 500 ml 3700 1.09634.5000 3610 108-32-7 8.00605.1000 1l 7990 8.07051.0100 2-Propanol dried (max. 0.005% H2O) 2.5 l 100 ml 4110 SeccoSolv® 8.00605.2500 8.07051.1000 1l 8720 67-63-0 Propionic acid sodium salt for synthesis 1,2-Propylene glycol diacetate for 1.00994.0161 synthesis SB 150 ml 3870 137-40-6 100 g 6860 1.00994.0500 GB 500 ml 3410 8.43793.0100 500 g 20330 623-84-7 250 ml 3700 SB 7110 8.14588.0250 1l 7610 1.00994.1001 1l 8.43793.0500 8.14588.1000 Propionic anhydride for synthesis 2-Propanol for gas chromatography ECD 123-62-6 100 ml 3730 (R)-(+)-1,2-Propylene oxide for synthesis and FID SupraSolv® 8.00608.0100 500 ml 6330 10590 67-63-0 1l 5080 8.00608.0500 1l 15448-47-2 1 ml 27320 1.00998.1000 GB 2.5 l 10570 8.18567.0001 8.00608.1000 1.00998.2500 GB Propionitrile for synthesis (S)-(-)-1,2-Propylene oxide for synthesis 2-Propanol for spectroscopy Uvasol® 107-12-0 100 ml 3280 16088-62-3 8.07068.0100 500 ml 6670 8.18659.0001 67-63-0 1 ml 12230 1.00993.1000 GB 8.07068.0500 1l 8300 1,2-Propylene oxide for synthesis 1.00993.2500 GB 2.5 l 18760 Propionyl chloride for synthesis 75-56-9 2-Propanol gradient grade for liquid 79-03-8 100 ml 3430 8.07027.0100 100 ml 4110 chromatography LiChrosolv® 8.07063.0100 500 ml 4820 1l 7010 8.07027.1000 8.07063.0500 67-63-0 1l 7370 Propiophenone for synthesis 2-Propylvaleric acid for synthesis 1.01040.1000 GB 2.5 l 15380 93-55-0 250 ml 5470 99-66-1 25 ml 10770 1.01040.2500 GB 8.07024.0250 1l 15300 8.14439.0025 2-Propanol standard for the analysis of 8.07024.1000 2-Propyn-1-ol for synthesis tobacco Propyl acetate for synthesis 107-19-7 8.07050.0250 1.00272.2500 GB C 2.5 l 15740 109-60-4 250 ml 3830 8.03183.0100 8.07050.1000 1l 13010 2-Propanol-D1 deuteration degree 100 ml 3920 min. 98% for NMR spectroscopy 8.03183.1000 1l 8720 4-Propyl-2-thiouracil for synthesis MagniSolv(TM)** Propyl benzoate for synthesis 51-52-5 8.22137.0025 3979-51-9 25 ml 24590 2315-68-6 5 ml 2990 25 g 5110 8.15044.0025 GB 8.21958.0005 250 ml 5750 8.22137.0100 100 g 16360 8.21958.0250 2-Propanol-D8 deuteration degree Propyl formate for synthesis (R)-(+)-Pulegone for synthesis min. 99.5% for NMR spectroscopy MagniSolv(TM)** 110-74-7 50 ml 3460 89-82-7 10 ml 13540 8.00884.0050 250 ml 11920 8.18665.0010 22739-76-0 5 ml 50560 8.00884.0250 Pumice stone granular for elementary 8.15045.0005 GA Propyl propionate for synthesis analysis (R)-(+)-Propanolol hydrochloride for 106-36-5 1.02441.1000 1 Kg 7170 synthesis 8.21048.0005 5 ml 2990 Pyrazine for synthesis 13071-11-9 8.21048.0250 250 ml 6180 8.24472.0500 290-37-9 500 mg 20700 Propyl 3,4,5-trihydroxybenzoate for 8.07064.0002 2g 4380 synthesis 8.07064.0010 10 g 5470 trans-Propene-1,2,3-tricarboxylic acid for 8.07064.0100 100 g 40490 synthesis 121-79-9 100 g 9510 8.20599.0100 500 g 27000 4023-65-8 25 g 8910 2-Pyrazinecarbonitril for synthesis 8.14411.0025 8.20599.0500 19847-12-2 Propylamine for synthesis 8.14624.0010 10 ml 4600 2-Propinyl-triphenylphosphonium bromide 107-10-8 100 ml 3920 2-Pyrazinecarboxamide for synthesis for synthesis 8.07477.0100 500 ml 5520 7380 2091-46-5 5 g 7890 8.07477.0500 1l 98-96-4 25 g 5770 8.41338.0005 8.21050.0025 8.07477.1000 S : The items can be transported only by Sea Freight AL : Aluminium PE : Polyethylene 167 C : The items can be transported by Air Cargo GA : Glass Ampoule SB: Septum Bottle B : The items can be supplied against end user order copy only GB : Glass Bottle ** : PO & EUD Required

Part 2 Advanced Analytics Product Order Pack Unit Price Product Order Pack Unit Price Product Order Pack Unit Price No. ` No. ` No. ` 2-Pyrazinecarboxylic acid for synthesis 4-Pyridinecarbaldehyde oxime for 2,3-Pyridinediol for synthesis synthesis 98-97-5 16867-04-2 8.00615.0025 25 g 5060 696-54-8 8.41665.0025 25 g 12330 8.00615.0100 100 g 15180 8.20714.0050 50 g 10760 Pyridine-3-sulfonic acid for synthesis 2,3-Pyrazinedicarboxylic acid for synthesis 2-Pyridinecarbonitrile for synthesis 636-73-7 8.41615.0025 89-01-0 25 g 8010 100-70-9 100 g 7380 25 g 13310 8.00616.0025 8.02657.0100 Pyridinium bromide-perbromide for Pyrazole for synthesis 3-Pyridinecarbonitrile for synthesis synthesis 288-13-1 8.07572.0025 25 g 10070 100-54-9 100 g 5370 39416-48-3 50 g 9480 8.02658.0100 8.14345.0050 Pyrazole-3,5-dicarboxylic acid 4-Pyridinecarbonitrile for synthesis Pyridinium chloride for synthesis monohydrate for synthesis 100-48-1 628-13-7 3112-31-0 5g 9580 8.02659.0100 100 g 10450 8.21055.0100 100 g 6160 8.41164.0005 25 g 25700 250 g 13270 8.41164.0025 4-Pyridinecarboxylic acid amide for 8.21055.0250 synthesis Pyrene for synthesis Pyridinium chlorochromate for synthesis 129-00-0 5g 4110 1453-82-3 50 g 8550 26299-14-9 25 g 2890 8.21051.0005 50 g 7860 8.14032.0050 8.18189.0025 100 g 10860 8.21051.0050 250 g 30930 8.21051.0250 2-Pyridinecarboxylic acid for synthesis 8.18189.0100 98-98-6 100 g 9220 Pyridinium 4-toluenesulfonate for synthesis 8.00735.0100 250 g 15110 4-(1-Pyrenyl)-butyric acid for synthesis 8.00735.0250 24057-28-1 25 g 8030 8.14330.0025 100 g 35370 3443-45-6 1 g 9580 4-Pyridinecarboxylic acid for synthesis 8.41269.0001 8.14330.0100 Pyridazine for synthesis 5 ml 7350 55-22-1 5g 2890 3-Pyridinol for synthesis 50 g 6330 289-80-5 8.00736.0005 250 g 9740 8.41777.0005 8.00736.0250 109-00-2 8.07036.0050 3,6-Pyridazinediol for synthesis 4-Pyridinecarboxylic acid hydrazide for 4-Pyridinoyl chloride hydrochloride for synthesis synthesis 123-33-1 8.20471.0100 100 g 9580 54-85-3 100 g 5700 39178-35-3 10 g 8290 8.20471.0500 500 g 35620 8.06753.0100 8.14838.0010 Pyridine for analysis EMSURE® ACS,Reag. Pyridine-D5 deuteration degree min 99.8% 2-(2-Pyridyl)ethanol for synthesis Ph Eur for NMR spectroscopy MagniSolv(TM) 103-74-2 110-86-1 GB 100 ml 1680 7291-22-7 10x.5 ml GA 7.5 ml 24000 8.00182.0100 100 ml 5360 1.09728.0100 GB 500 ml 8500 1.07475.0009 SB 10 ml 29050 1.09728.0500 GB 14560 1.07475.0010 1-(2-Pyridylazo)-2-naphthol (PAN) metal 1.09728.1000 GB C 1l 30350 indicator Reag. Ph Eur 1.09728.2500 2.5 l 2,3-Pyridinedicarboxylic acid for synthesis 85-85-8 Pyridine dried (max. 0.0075 % H2O) 89-00-9 25 g 3480 1.07531.0005 5 g 11270 SeccoSolv® 8.00214.0025 100 g 13800 8.00214.0100 4-(2’-Pyridylazo)-resorcinol for synthesis 110-86-1 SB 150 ml 5630 2,4-Pyridinedicarboxylic acid for synthesis 1141-59-9 5 g 21010 1.07463.0161 GB 500 ml 6250 8.41016.0005 1.07463.0500 SB 12830 499-80-9 1.07463.1001 1l 8.21052.0010 10 g 13690 4-(2-Pyridylazo)resorcinol monosodium salt monohydrate metal indicator Reag. 2-Pyridinecarbaldehyde for synthesis Pyridine-2,5-dicarboxylic acid for synthesis Ph Eur 1121-60-4 50 ml 8040 100-26-5 100 g 6160 16593-81-0 5 g 19520 8.07470.0050 250 ml 18180 8.21886.0100 250 g 13330 1.07533.0005 8.07470.0250 8.21886.0250 3-Pyridinecarbaldehyde for synthesis Pyridine-2,6-dicarboxylic acid for synthesis 2-Pyridylmethanol for synthesis 500-22-1 50 ml 9580 499-83-2 100 g 11960 586-98-1 50 ml 10460 8.07468.0050 250 ml 32520 8.00614.0100 1 Kg 66360 8.07029.0050 8.07468.0250 8.00614.1000 3-Pyridylmethanol for synthesis 4-Pyridinecarbaldehyde for synthesis Pyridine-3,4-dicarboxylic acid for synthesis 100-55-0 50 ml 6430 8.07030.0050 872-85-5 490-11-9 8.07469.0050 50 ml 10950 8.41198.0005 5 g 6330 (4-Pyridylthio)acetic acid for synthesis 8.07469.0250 250 ml 26600 Pyridine-3,5-dicarboxylic acid for synthesis 10351-19-6 25 g 10020 8.14029.0025 2-Pyridinecarbaldehyde oxime for 499-81-0 synthesis 8.21054.0005 5 g 7800 2,4,6-Tri(2-pyridyl)-1,3,5-triazine for analysis 873-69-8 Pyridine-2,6-dimethanol for synthesis 8.07466.0025 8.07466.0100 25 g 5870 1195-59-1 5 g 9170 3682-35-7 5 g 15220 100 g 14280 8.41800.0005 1.10238.0005 168 MERCKgroup.com For enquiries write to [email protected]

Product Order Pack Unit Price Product Order Pack Unit Price Product Order Pack Unit Price No. ` No. ` No. ` 2(1H)-pyrimidinone monohydrochloride for 4-(1-Pyrrolidinyl)pyridine for synthesis Quinoline-2,4-dicarboxylic acid amide for synthesis synthesis 2456-81-7 38353-09-2 8.18884.0010 10 g 10770 32743-31-0 8.43938.0025 8.15104.0005 8.43938.0100 25 g 4410 2-Pyrrolidone for synthesis 5 g 20600 Laboratory Reagents & Chemicals 100 g 14530 616-45-5 Quinoline-2,4-dicarboxylic acid for Pyrocatechol dimethyl ether for synthesis 8.07041.0005 5 ml 3730 synthesis 8.07041.0250 250 ml 4110 91-16-7 250 ml 5620 8.07041.1000 12990 5323-57-9 25 g 11060 8.08529.0250 1l 16050 1l 8.15103.0025 8.08529.1000 (S)-(-)-2-Pyrrolidone-5-carboxylic acid for Pyrocatechol for synthesis synthesis Quinoxaline for synthesis 120-80-9 250 g 9580 98-79-3 25 g 4720 91-19-0 100 g 8460 8.22261.0250 1 Kg 29010 8.20942.0025 8.20262.0100 8.22261.1000 Raney nickel catalyst activated for DL-2-Pyrrolidone-5-carboxylic acid for Pyrocatechol monoethyl ether for synthesis synthesis hydrogenation (with about 50% water) for 94-71-3 synthesis 8.01917.0250 250 ml 8060 149-87-1 50 g 6690 8.20876.0100 S 100 g 12310 8.20943.0050 3,5-Pyrocatecholdisulfonic acid disodium 8.20876.0250 250 g 19100 salt monohydrate (Tiron) metal indicator Pyruvic acid for synthesis Reagent bottles, 100 ml 1.10646.0001 149-45-1 100 g 38210 127-17-3 100 ml 8710 1 ST 14810 1.01922.0100 8.20170.0100 500 ml 30770 8.20170.0500 Glass bottles, 50 ml Pyrogallol for synthesis 1.10647.0001 1 ST 15980 Quartz fine granular, washed and calcined 87-66-1 50 g 4940 for analysis Reducer (stainless steel) from 2” to S40 8.22302.0050 250 g 11360 8.22302.0250 59000 14808-60-7 thread 8.22302.1000 1 Kg 1.07536.0250 1.07536.1000 250 g 3820 1.01111.0001 1 ST 28350 1.07536.5000 1 Kg 12440 Pyrogallol GR for analysis ACS,Reag. Ph 5 Kg 49470 Eur CertiPUR® Refractive 87-66-1 50 g 7840 Quinaldic acid for synthesis index standards 1.00612.0050 250 g 31100 1.00612.0250 93-10-7 25 g 14720 8.40010.0025 Pyrogallol red metal indicator Quinaldine for synthesis Refractive index standard kit 3 1-Methyl- 32638-88-3 1g 12830 91-63-4 naphthalene/water, traceable to SRM from 1.07534.0001 8.05805.0100 8.05805.0250 100 ml 9620 NIST and PTB n (20°C)=1,6160 CertiPUR® 250 ml 13470 Pyrrole Msynth®plus 1.08963.0001 1 st 38900 109-97-7 25 ml 6870 Quinaldine red indicator Reag. Ph Eur Refractive index standard kit 2 Toluene/ 8.45055.0025 100 ml 21200 8.45055.0100 117-92-0 water, traceable to SRM from NIST and 1.02282.0005 Pyrrole for synthesis 5 g 30430 PTB n (20°C)=1,4969 CertiPUR® 109-97-7 Quinhydrone GR for analysis 1.08961.0001 B 1 st 38900 8.07492.0010 8.07492.0025 10 ml 3110 106-34-3 Refractive index standard kit 1 8.07492.0100 25 ml 4800 1.02284.0100 100 ml 14880 100 g 15430 2,2,4-Trimethyl-pentane/water, (-)-Quinic acid for resolution of racemates traceable to SRM from NIST and PTB n for synthesis 2-Pyrrolecarbaldehyde for synthesis (20°C)=1,3915 CertiPUR® 1003-29-8 1.08962.0001 1 st 38900 8.07574.0010 8.07574.0050 10 g 16970 77-95-2 50 g 10720 Resorcinol dimethyl ether for synthesis 50 g 43520 8.00218.0050 Pyrrolidine for synthesis (-)-Quinine for resolution of racemates for 151-10-0 50 ml 4190 synthesis 8.07595.0050 250 ml 16870 123-75-1 8.07494.0005 8.07595.0250 8.07494.0250 8.07494.1000 5 ml 3730 130-95-0 25 g 9420 Resorcinol for synthesis 250 ml 8120 8.02304.0025 21530 1l (-)-Quinine hydrochloride dihydrate for 108-46-3 250 g 10430 synthesis 8.22303.0250 1 Kg 23810 Pyrrolidine-1-dithiocarboxylic acid ammonium salt GR for analysis 8.22303.1000 5108-96-3 6119-47-7 25 g 9070 Resorcinol GR for analysis 1.07495.0010 8.22194.0025 100 g 23070 10 g 5080 8.22194.0100 108-46-3 1.07593.0100 Pyrrolidine-1-dithiocarboxylic acid Quinoline for synthesis 100 g 6200 ammonium salt for synthesis 1.07593.0250 250 g 12850 91-22-5 5108-96-3 8.02407.0005 5 ml 3620 di-Rhenium decacarbonyl for synthesis 8.21100.0025 8.02407.0250 250 ml 9990 8.21100.0100 25 g 5820 8.02407.1000 29680 14285-68-8 1 g 10260 100 g 21350 1l 8.14565.0001 S : The items can be transported only by Sea Freight AL : Aluminium PE : Polyethylene 169 C : The items can be transported by Air Cargo GA : Glass Ampoule SB: Septum Bottle B : The items can be supplied against end user order copy only GB : Glass Bottle ** : PO & EUD Required

Part 2 Advanced Analytics Product Order Pack Unit Price Product Order Pack Unit Price Product Order Pack Unit Price No. ` No. ` No. ` Rhenium ICP standard traceable to SRM Ruthenium(III) chloride hydrate Scandium ICP standard traceable to SRM from NIST NH4ReO4 in H2O 1000 mg/l Re 14898-67-0 from NIST Sc2O3 in HNO3 7% 1000 mg/l 1.19247.0005 CertiPUR® 1.19247.0025 5g 45300 Sc CertiPUR® 25 g 181230 1.70344.0100 100 ml 53310 1.70349.0100 100 ml 55080 Rhenium(VII) oxide (77% Re) Ruthenium(III) acetylacetonate for Scandium standard solution traceable to hydrogenation catalyst for synthesis synthesis SRM from NIST Sc2O3 in HNO3 1 mol/l 1314-68-7 14284-93-6 1000 mg/l Sc CertiPUR® 8.12309.0001 8.14056.0001 1 g 14280 8.14056.0005 1g 10830 1.19513.0100 100 ml 12870 5g 79340 Rhodanine-N-acetic acid for synthesis 1.19513.0500 500 ml 18000 5718-83-2 Ruthenium(IV) oxide hydrate (60% Ru) for Schiff’s reagent for detection of aldehydes 8.14271.0025 synthesis 25 g 9170 1.09034.0250 250 ml 3190 Rhodium (approx.5%) on alumina for 32740-79-7 1.09034.1000 1 l 6840 8.10560.0001 synthesis 8.10560.0005 1 g 10760 Sea sand extra pure 5 g 56860 8.43837.0001 1 g 9970 7631-86-9 (S,S)-(+)-2,3-Butanediol for synthesis 1.07711.1000 1 Kg 6540 8.43837.0005 5 g 36740 1.07711.5000 5 Kg 25520 19132-06-0 Rhodium ICP standard traceable to SRM 8.18334.0001 1 ml 24180 Sea sand purified by acid and calcined for analysis from NIST Rh(NO3)3 in HNO3 2-3% 1000 S,S-Diphenylsulfimine monohydrate for synthesis mg/l Rh CertiPUR® 7631-86-9 1.07712.1000 1.70345.0100 100 ml 62220 68837-61-6 1.07712.5000 1 Kg 9350 8.18138.0001 5 Kg 36440 Rhodium standard 10 mg/l (Rhodium(III) 1 g 8290 nitrate in nitric acid 0.5 mol/l) internal Saccharin for synthesis Sebacic acid dinitrile for synthesis standard for ICP-MS 81-07-2 1871-96-1 8.20128.0250 8.14070.0025 1.08525.0100 100 ml 27660 8.20128.1000 250 g 8120 25 ml 7200 1 Kg 22880 Rhodium/activated charcoal (5% Rh) Sebacic acid for synthesis hydrogenation catalyst for synthesis Saccharin sodium salt dihydrate for 111-20-6 synthesis 8.00753.0100 8.18851.0001 1 g 11110 8.00753.0500 100 g 3090 8.00753.1000 500 g 7650 8.18851.0005 5 g 41600 6155-57-3 13470 8.14114.0100 1 Kg Rhodium(II) acetate dimer (46.5% Rh) for 8.14114.1000 100 g 4110 synthesis 1 Kg 19130 Sebacoyl dichloride for synthesis 15956-28-2 250 mg 18290 D-(+)-Saccharose octaacetate for 111-19-3 5 ml 7640 8.24435.0250 synthesis 8.18899.0005 25 ml 10140 8.18899.0025 100 ml 23690 Rhodium(III) chloride trihydrate (38% Rh) 126-14-7 250 g 6280 8.18899.0100 for synthesis 8.22144.0250 13569-65-8 Salicylanilide for synthesis sec-Butylamine for synthesis 8.07632.0001 1 g 55190 87-17-2 250 g 70420 13952-84-6 8.21064.0250 8.01540.0100 Rhodizonic acid disodium salt indicator for 8.01540.0500 100 ml 3920 sulfate titration Salicylic acid for synthesis 500 ml 5360 523-21-7 5 g 13810 69-72-7 100 g 3940 2-sec-Butylaniline for synthesis 1.06595.0005 8.18731.0100 1 Kg 8900 8.18731.1000 55751-54-7 Rubeanic acid GR for analysis 8.14005.0010 10 ml 9320 79-40-3 Samarium ICP standard traceable to SRM sec-Butylbenzene for synthesis 1.00629.0010 1.00629.0100 10 g 16640 from NIST Sm2O3 in HNO3 2-3% 1000 135-98-8 100 g 122300 8.21717.0100 mg/l Sm CertiPUR® 100 ml 5900 1.70348.0100 100 ml 44540 Rubidium carbonate for synthesis Samarium powder for synthesis Selenium black 99+ 584-09-8 10 g 6860 7440-19-9 1g 5020 7782-49-2 50 g 7940 8.43858.0010 50 g 24120 8.14479.0001 10 g 22430 1.07714.0050 250 g 41480 8.43858.0050 8.14479.0010 1.07714.0250 131950 1.07714.1000 1 Kg Rubidium chloride for analysis EMSURE® Samarium(III) oxide 99+ Selenium dioxide (sublimed) Msynth®plus 7791-11-9 1.07615.0025 25 g 20990 12060-58-1 10 g 12360 7446-08-4 50 g 8810 1.12321.0010 8.45008.0050 1 Kg 77800 8.45008.1000 Rubidium ICP standard traceable to SRM S-(2-Aminoethyl)thiouronium bromide hydrobromide for synthesis from NIST RbNO3 in HNO3 2-3% 1000 Selenium dioxide (sublimed) for synthesis mg/l Rb CertiPUR® 56-10-0 7446-08-4 8.20064.0010 8.00653.0005 1.70346.0100 100 ml 32100 10 g 6850 8.00653.0050 5g 3940 8.00653.0250 50 g 6160 Ruthenium ICP standard RuCl3 in HCl 7% Sarcosine for synthesis 8.00653.1000 250 g 20830 54440 1000 mg/l Ru CertiPUR® 107-97-1 1 Kg 8.07666.0250 1.70347.0100 100 ml 53310 250 g 9260 170 MERCKgroup.com For enquiries write to [email protected]

Product Order Pack Unit Price Product Order Pack Unit Price Product Order Pack Unit Price No. ` No. ` No. ` Selenium disulfide for synthesis Silica gel with indicator (orange gel), Silver benzoate for synthesis 7488-56-4 granulate ~ 1 - 3 mm 532-31-0 8.43845.0025 8.21067.0005 25 g 10760 1.01969.1000 1 Kg 6830 8.21067.0050 5g 4920 50 g 33130 Selenium ICP standard traceable to SRM 1.01969.5000 5 Kg 40910 Laboratory Reagents & Chemicals from NIST SeO2 in HNO3 2-3% 1000 mg/l Silicic acid precipitated extra pure heavy Silver chloride 99+ Se CertiPUR® 10279-57-9 7783-90-6 25 g 15870 1.00656.1000 1.19203.0025 100 g 47600 1.70350.0100 100 ml 16540 1 Kg 25810 1.19203.0100 Selenium standard 1000 mg Se, (SeO2 in Silicic acid precipitated extra pure light Silver diethyldithiocarbamate for analysis DAB (reagent for arsenic and antimony) HNO3) Titrisol® EMSURE® ACS,Reag. Ph Eur 1.09915.0001 1 ST 5030 10279-57-9 1.00657.1000 Selenium standard solution traceable to 1 Kg 12010 1470-61-7 1.01515.0005 SRM from NIST SeO2 in HNO3 0.5 mol/l Silicon anti-foaming agent 5 g 14520 1000 mg/l Se CertiPUR® 1.07743.0100 100 g 7490 Silver ICP standard traceable to SRM from 1.19796.0100 100 ml 3870 Silicon anti-foaming agent NIST AgNO3 in HNO3 2-3% 1000 mg/l Ag 1.19796.0500 500 ml 5410 1.07743.0500 500 ml 29520 CertiPUR® Semicarbazide hydrochloride for synthesis Silicon ICP standard traceable to SRM from 1.70352.0100 100 ml 22850 563-41-7 100 g 6970 NIST (SiO2 in NaOH 4 %) 10000 mg/l Si Silver nitrate for analysis EMSURE® 8.18369.0100 500 g 32640 ACS,ISO,Reag. Ph Eur CertiPUR® 8.18369.0500 1.70386.0100 100 ml 34920 7761-88-8 1.01512.0025 25 g 27340 Semicarbazide hydrochloride GR for Silicon ICP standard traceable to SRM 1.01512.0100 100 g 65630 analysis 1.01512.0250 250 g 157490 from NIST SiO2 in NaOH 2 % 1000 mg/l Si 1.01512.1000 437430 563-41-7 1 Kg 1.07722.0100 100 g 14210 CertiPUR® 1.70365.0100 100 ml 17470 Silver nitrate solution c(AgNO3) = 0.05 (S)-(+)-Serine for synthesis Silicon standard 1000 mg Si, (SiCl4 in mol/l (0.05 N) TitriPUR® 56-45-1 25 g 4930 14% NaOH) Titrisol® 1.11718.1000 1 l 14810 8.16020.0025 100 g 17090 1.09947.0001 1 ST 5310 Silver nitrate solution c(AgNO3) = 0.1 8.16020.0100 mol/l (0.1 N) TitriPUR® DL-Serine for synthesis Silicon standard solution traceable to SRM from NIST SiO2 in NaOH 0.5 mol/l 1000 1.09081.1000 1 l 15680 302-84-1 100 g 9170 mg/l Si CertiPUR® 1.09081.2500 2.5 l 31350 8.41235.0100 1.70236.0100 100 ml 4090 1.09081.4000 4 l 56430 S-Ethyl trifluorothioacetate for synthesis Silicon standard solution traceable to SRM 1.09081.9010 10 l 78990 383-64-2 from NIST SiO2 in NaOH 0.5 mol/l 1000 Silver nitrate solution c(AgNO3) = 1 mol/l 8.21911.0005 5 ml 4930 mg/l Si CertiPUR® (1 N) TitriPUR® (-)-Shikimic acid for synthesis 1.70236.0500 500 ml 5700 1.09080.1000 1 l 57460 138-59-0 Silicon standard solution traceable to SRM Silver nitrate solution for 1000 ml, 8.24476.0250 250 mg 11210 from NIST acidic, (NH4)2SiF6 in H2O 1000 c(AgNO3) = 0.1 mol/l (0.1 N) Titrisol® 8.24476.1000 1g 19710 mg/l Si CertiPUR® 1.09990.0001 1 ST 12540 SICAPENT® with indicator (phosphorus 1.12310.0100 100 ml 4090 Silver oxide 99+ pentoxide drying agent for desiccators) on 1.12310.0500 500 ml 5700 20667-12-3 1.19208.0025 inert carrier material Silicon tetrachloride for synthesis 1.19208.0100 25 g 14820 100 g 44450 1.00543.0500 500 ml 5530 10026-04-7 8.07706.0100 1.00543.2800 2.8 l 15000 100 ml 5650 Silver standard 1000 mg Ag, (AgNO3 in 8.07706.1000 1l 20170 Silica gel beads, desiccant ~ 2 - 5 mm HNO3 5%) Titrisol® 7631-86-9 Silicone grease 1.09906.0001 1 ST 8680 1.07735.1000 1.07746.0100 1 Kg 5470 100 g 6480 Silver standard solution traceable to SRM Silica gel granules, desiccant ~ 0.2 - 1 mm Silicone high vacuum grease heavy from NIST AgNO3 in HNO3 0.5 mol/l 1000 7631-86-9 1.07921.0100 100 g 6480 mg/l Ag CertiPUR® 1.01905.1000 1 Kg 7500 1.19797.0100 100 ml 5340 Silicone oil for oil baths up to 250°C 1.19797.0500 500 ml 7470 Silica gel granules, desiccant ~ 2 - 5 mm 68083-14-7 Silver sulfate extra pure 1.07742.0100 7631-86-9 1 Kg 8210 100 ml 5180 10294-26-5 50 g 33150 1.01907.1000 5 Kg 32730 1.07742.1000 1l 40020 1.01534.0050 250 g 142310 1.01534.0250 1.01907.5000 Silver acetate for synthesis Silica gel with moisture indicator (brown 563-63-3 Silver sulfate GR for analysis ACS 8.01504.0005 gel) desiccant ~ 1 - 4 mm 5g 7310 10294-26-5 8.01504.0025 25 g 12990 1.01509.0025 1.01972.1000 1 Kg 11660 100 g 87010 1.01509.0100 25 g 22340 8.01504.0100 100 g 72960 1.01972.5000 5 Kg 36810 S : The items can be transported only by Sea Freight AL : Aluminium PE : Polyethylene 171 C : The items can be transported by Air Cargo GA : Glass Ampoule SB: Septum Bottle B : The items can be supplied against end user order copy only GB : Glass Bottle ** : PO & EUD Required

Part 2 Advanced Analytics Product Order Pack Unit Price Product Order Pack Unit Price Product Order Pack Unit Price No. ` No. ` No. ` Silver sulfate solution 10 g/l in sulfuric acid Sodium amide crystalline for synthesis Sodium butyrate Msynth®plus (D = 1.84 g/ml) for COD determination 7782-92-5 156-54-7 8.14095.0100 8.45144.0100 1.01517.1000 1 l 11260 100 g 6840 100 g 14310 8.14095.1000 1 Kg 26460 1.01517.2500 C 2.5 l 27200 Sodium butyrate for synthesis Silver sulfate solution 80 g/l in sulfuric acid Sodium ammonium hydrogen phosphate 156-54-7 tetrahydrate for analysis EMSURE® 8.20236.0250 (D=1.84 g/ml) for COD determination acc. 250 g 12140 8.20236.1000 1 Kg 30250 to DIN 38409-H 43-1 7783-13-3 1 Kg 12130 1.06682.1000 1.01574.1000 1 l 47380 Sodium butyrate special quality Silver tetrafluoroborate for synthesis Sodium arsenite solution c(NaAsO2) = 156-54-7 14104-20-2 0.05 mol/l (0,1 N) TitriPUR® 8.17500.0100 100 g 10020 8.18881.0005 5g 12780 1.06277.1000 1 l 3590 8.18881.0025 25 g 50100 Sodium azide for synthesis Sodium carbonate anhydrous 99.999 Suprapur® Silver trifluoroacetate for synthesis 26628-22-8 8.22335.0100 100 g 8040 497-19-8 2966-50-9 10 g 12230 250 g 15100 1.06395.0050 50 g 11120 8.18003.0010 25 g 26910 8.22335.0250 45430 500 g 57780 1 Kg 1.06395.0500 8.18003.0025 8.22335.1000 Silver trifluoromethanesulfonate for Sodium azide tablets for the preservation Sodium carbonate anhydrous for analysis synthesis EMSURE® ISO of milk samples for testing one tablet 0.1 2923-28-6 g (1 tablet contains about 8 mg sodium 497-19-8 500 g 5040 8.14325.0005 1.06392.0500 1 Kg 7740 5g 11330 azide) 5 Kg 21660 8.14325.0025 25 g 41000 1.06392.1000 1.06687.0001 1 ST 23780 1.06392.5000 Sodium benzenesulphinate for synthesis Silver wool for elemental analysis 873-55-2 Sodium carbonate anhydrous, for analysis 7440-22-4 10 g 15870 8.43230.0025 25 g 6090 EMSURE® ACS,ISO,Reag. Ph Eur 1.01506.0010 100 g 9940 8.43230.0100 497-19-8 1.06393.1000 S-Methylthiouronium sulfate for synthesis Sodium bis(trimethylsilyl)-amide (1 M 1 Kg 10060 867-44-7 250 g 10020 solution in tetrahydrofuran) for synthesis Sodium carbonate decahydrate for analysis 8.05706.0250 EMSURE® ISO,Reag. Ph Eur 8.41750.0100 100 ml 12960 Sodalime pellets with indicator for analysis Sodium borohydride (fine granular) 6132-02-1 Msynth®plus 1.06391.1000 1.06839.1000 1 l 5810 1 Kg 5040 1.06391.5000 5 Kg 17640 1.06839.5000 5 l 41860 16940-66-2 8.45048.0100 Sodalime with indicator, granules ~ 1 - 2.5 100 g 25220 Sodium carbonate solution for 1000 ml, 8.45048.0500 500 g 70470 mm c(Na2CO3) = 0.05 mol/l (0.1 N) Titrisol® 1.06733.2500 2.5 Kg 21410 Sodium borohydride fine granular for 1.09940.0001 1 ST 5350 synthesis Sodalime with indicator, granules ~ 1 - 2.5 Sodium carbonate volumetric standard, secondary reference material for mm 16940-66-2 10 g 3050 acidimetry, traceable to NIST SRM 8.06373.0010 25 g 5470 CertiPUR® 1.06733.0501 500 g 6730 100 g 17610 8.06373.0025 500 g 49180 Sodium-bis(trimethylsilyl)amide (2 molare 8.06373.0100 solution in tetrahydrofurane) for synthesis 497-19-8 80 g 15940 8.06373.0500 1.02405.0080 8.16023.0100 100 ml 16160 Sodium borohydride for analysis Sodium acetate anhydrous 99.99 Sodium chlorate pure Suprapur® 16940-66-2 100 g 43380 1.06371.0100 C 7775-09-9 1.06420.1000 1 Kg 6780 127-09-3 Sodium borohydride (tablets) for synthesis 1.06264.0050 50 g 21780 500 g 75460 16940-66-2 25 g 6670 Sodium chloride 99.99 Suprapur® 1.06264.0500 8.18823.0025 Sodium acetate anhydrous for analysis Sodium bromate Msynth®plus 7647-14-5 50 g 12740 EMSURE® ACS,Reag. Ph Eur 1.06406.0050 250 g 28820 7789-38-0 500 g 44140 127-09-3 250 g 2540 8.45066.0250 250 g 7790 1.06406.0250 1.06268.0250 1 Kg 6310 1 Kg 17220 12630 8.45066.1000 1.06406.0500 1.06268.1000 2.5 Kg Sodium bromate for synthesis Sodium chloride for analysis EMSURE® 1.06268.2500 ACS,ISO,Reag. Ph Eur Sodium acetate trihydrate for analysis 7789-38-0 250 g 5470 7647-14-5 500 g 1540 indifferent to potassium permanganate 8.14368.0250 1 Kg 12090 1.06404.0500 1 Kg 2370 EMSURE® ACS,ISO,Reag. Ph Eur 5 Kg 6610 8.14368.1000 1.06404.1000 Sodium bromide 99.995 Suprapur® 1.06404.5000 6131-90-4 500 g 2410 7647-15-6 Sodium chloride solution for 1000 ml, 1.06267.0500 1 Kg 3690 1.06363.0100 5 Kg 12950 100 g 31380 c(NaCl) = 0.1 mol/l (0.1 N) Titrisol® 1.06267.1000 1.06363.0250 250 g 54380 1.09945.0001 1 ST 5340 1.06267.5000 172 MERCKgroup.com For enquiries write to [email protected]

Product Order Pack Unit Price Product Order Pack Unit Price Product Order Pack Unit Price No. ` No. ` No. ` Sodium chloride volumetric standard, Sodium disulfite (sodium metabisulfite) for Sodium hydride suspension (60% secondary reference material for analysis EMSURE® ACS,Reag. Ph Eur suspension in paraffin oil) for synthesis argentometry, traceable to NIST SRM CertiPUR® 7681-57-4 100 g 2330 7646-69-7 100 g 10430 Laboratory Reagents & Chemicals 1.06528.0100 500 g 2520 8.14552.0100 C 1.06528.0500 3870 7647-14-5 80 g 15940 1.06528.1000 1 Kg 13500 Sodium hydrogen carbonate for analysis 1.02406.0080 1.06528.5000 5 Kg EMSURE® ACS,Reag.Ph Eur Sodium chlorite (25% solution in water) Sodium dithionite for analysis 144-55-8 500 g 1530 1.06329.0500 1 Kg 2370 for synthesis 1.06329.1000 5 Kg 8250 1.06329.5000 8.14815.0250 250 ml 4720 7775-14-6 500 g 4140 1.06507.0500 2.5 Kg 12720 8.14815.1000 1 l 10450 1.06507.2500 Sodium chloroacetate for synthesis Sodium dithionite technical grade Sodium hydrogen carbonate/sodium 3926-62-3 carbonate certified secondary standard 8.20293.0100 100 g 4070 7775-14-6 1 Kg 3640 reference material for pH measurement; 8.20293.0500 500 g 5700 1.06505.1000 directly traceable to primary SRM from Sodium chlorodifluoroacetate for synthesis di-Sodium DL-malate for synthesis NIST/PTB pH(S)=10.014 (25°C) (DIN 676-46-0 19266) Certipur® 8.20872.0025 1895-39-2 10 g 5300 8.20872.0100 25 g 8380 1.01962.0001 1 ST 45770 8.41122.0010 100 g 20500 di-Sodium hydrogen citrate 1,5-hydrate 99+ tri-Sodium citrate dihydrate for analysis EMSURE® ACS,ISO,Reag. Ph Eur Sodium ethoxide (20% solution in ethanol) 6132-05-4 500 g 11520 1.12264.0500 for synthesis 6132-04-3 1.06448.0500 500 g 3080 8.18199.0100 100 ml 3430 di-Sodium hydrogen phosphate anhydrous 1 Kg 4740 for analysis EMSURE® ACS,Reag. Ph Eur 1.06448.1000 5 Kg 16570 8.18199.1000 1 l 10680 1.06448.5000 Sodium ethoxide for synthesis 7558-79-4 500 g 5890 1.06586.0500 1 Kg 12550 Sodium cyanoborohydride for synthesis 141-52-6 250 g 5820 1.06586.1000 25140 8.20871.0250 1 Kg 10680 1.06586.2500 2.5 Kg 25895-60-7 8.20871.1000 8.18053.0005 C 5g 7210 C 10 g 10260 Sodium ethylate Msynth®plus di-Sodium hydrogen phosphate dihydrate 8.18053.0010 C 25 g 20680 for analysis EMSURE® 141-52-6 8.18053.0025 8.45101.0250 250 g 7630 10028-24-7 8.45101.1000 1 Kg 18450 1.06580.0500 Sodium cyclamate for synthesis 1.06580.1000 500 g 2850 1.06580.5000 1 Kg 4370 139-05-9 100 g 4160 Sodium fluoride 99.99 Suprapur® 5 Kg 15330 8.22006.0100 500 g 11110 7681-49-4 25 g 11140 di-Sodium hydrogen phosphate 8.22006.0500 1.06450.0025 dodecahydrate for analysis EMSURE® ISO,Reag. Ph Eur Sodium dichromate dihydrate for analysis Sodium fluoride for analysis EMSURE® EMSURE® ACS ACS,ISO,Reag. Ph Eur 7789-12-0 250 g 5910 7681-49-4 250 g 3880 10039-32-4 500 g 3180 1.06336.0250 1 Kg 18240 1.06449.0250 1 Kg 9690 1.06579.0500 1 Kg 4630 1.06449.1000 1.06579.1000 5 Kg 17020 1.06336.1000 1.06579.5000 Sodium diethyldithiocarbamate trihydrate Sodium formaldehydesulfoxylate hydrate di-Sodium hydrogen phosphate (reagent for copper) GR for analysis ACS (stabilised with sodium carbonate) for heptahydrate for analysis EMSURE® ACS synthesis 20624-25-3 25 g 2550 7782-85-6 1.06689.0025 100 g 8530 6035-47-8 100 g 3330 1.06575.1000 1 Kg 5250 8.06455.0100 1 Kg 6740 1.06689.0100 8.06455.1000 5 Kg 22350 8.06455.5000 Sodium dihydrogen phosphate di-Sodium hydrogen phosphate anhydrous monohydrate for analysis EMSURE® Sodium formate for analysis EMSURE® for analysis particle size about 0.2-1 mm ACS,Reag. Ph Eur ACS,Reag. Ph Eur (~18-80 mesh ASTM) EMSURE® 10049-21-5 500 g 3540 141-53-7 7558-79-4 500 g 7850 1.06346.0500 1 Kg 5440 1.06443.0500 1.06559.0500 1.06346.1000 500 g 5790 di-Sodium hydrogen phosphate dihydrate buffer substance for chromatography Sodium dihydrogen phosphate anhydrous di-Sodium fumarate for synthesis LiChropur® 99.99 Suprapur® 17013-01-3 10028-24-7 7558-80-7 50 g 20680 8.20584.0100 100 g 3430 1.19753.0250 250 g 5550 1.06370.0050 250 g 39630 8.20584.0500 500 g 7520 8.20584.1000 13050 Sodium hydrogen sulfate monohydrate for 1.06370.0250 1 Kg analysis EMSURE® Sodium dihydrogen phosphate dihydrate Sodium hexanitrocobaltate(III) [sodium 10034-88-5 500 g 4650 for analysis EMSURE® Reag. Ph Eur cobalt(III)nitrite] for analysis EMSURE® 1.06352.0500 ACS,Reag. Ph Eur 13472-35-0 1.06342.0250 250 g 2980 13600-98-1 Sodium hydrogen sulfite (39% solution in 1 Kg 4970 1.02521.0025 1.06342.1000 9920 1.02521.0100 25 g 7940 water) Msynth®plus 2.5 Kg 100 g 15850 1.06342.2500 8.45119.0100 100 ml 3690 S : The items can be transported only by Sea Freight AL : Aluminium PE : Polyethylene 173 C : The items can be transported by Air Cargo GA : Glass Ampoule SB: Septum Bottle B : The items can be supplied against end user order copy only GB : Glass Bottle ** : PO & EUD Required

Part 2 Advanced Analytics Product Order Pack Unit Price Product Order Pack Unit Price Product Order Pack Unit Price No. ` No. ` No. ` Sodium hydrogen sulfite (39% solution in Sodium hydroxide solution c(NaOH) = 0.5 Sodium hydroxide solution for 1000 ml, water) for synthesis mol/l (0.5 N) TitriPUR® c(NaOH) = 0.01 mol/l (0.01 N) Titrisol® 8.06356.1000 1 l 4070 1.09138.1000 1 l 3660 1.09961.0001 1 ST 2560 8.06356.2500 2.5 l 6490 Sodium hydroxide solution for 1000 ml, Sodium hydroxide 1.000 l for the Sodium hydroxide solution c(NaOH) = 0.1 c(NaOH) = 0.1 mol/l (0.1 N) Titrisol® preparation of dilute volumetric solutions mol/l (0.1 N) TitriPUR® 1.09959.0001 1 ST 2820 or for direct use c(NaOH) = 5 mol/l (5 N) 1.09141.9010 10 l 17660 Combi-Titrisol® Sodium hydroxide solution c(NaOH) = 0.2 Sodium hydroxide solution for 1000 ml, 1.09913.0001 1 ST 11180 mol/l (0.2 N) TitriPUR® c(NaOH) = 0.25 mol/l (0.25 N) Titrisol® 1.09140.9010 10 l 17850 1.09958.0001 1 ST 2900 Sodium hydroxide monohydrate 99.99 Sodium hydroxide solution for 1000 ml, Suprapur® Sodium hydroxide solution c(NaOH) = 0.25 c(NaOH) = 0.5 mol/l (0.5 N) Titrisol® 12200-64-5 1.06466.0050 50 g 19770 mol/l (0.25 N) TitriPUR® 1.09957.0001 1 ST 2920 1.06466.0500 500 g 91750 1.09139.9010 10 l 18230 Sodium hydroxide solution for 1000 ml, Sodium hydroxide on support granulated Sodium hydroxide solution c(NaOH) = 0.33 c(NaOH) = 1 mol/l (1 N) Titrisol® about 0.8-1.6 mm for elementary analysis mol/l (1/3 N) TitriPUR® 1.09956.0001 1 ST 2990 1.01567.0250 250 g 8810 1.05595.9010 10 l 17850 Sodium hydroxide solution min. 10% 1.01567.1000 1 Kg 21970 (1.11) for analysis EMSURE® Sodium hydroxide on support granulated Sodium hydroxide solution 30% Suprapur® 1.05588.1000 1 l 2990 about 1.6-3 mm, for elementary analysis 1.05589.0250 250 ml 27450 Sodium hydroxide solution min. 27% 1.01564.0250 250 g 8550 1.05589.1000 1 l 61000 (1.30) for analysis (for the determination 1.01564.1000 1 Kg 21360 1.05589.2500 2.5 l 107170 of nitrogen) EMSURE® Sodium hydroxide solution c(NaOH) = 0.1 1.05591.2500 C 2.5 l 6740 Sodium hydroxide pellets for analysis mol/l (0.1 N) TitriPUR® Sodium hydroxide solution min. 45% for (max. 0.0002% K) EMSURE® ACS,Reag. Ph Eur 1.09141.4000 4 l 12620 analysis EMSURE® 1310-73-2 1.11360.2500 2.5 l 8920 1.06495.0250 1.06495.1000 250 g 6770 Sodium hydroxide solution c(NaOH) = 0.5 Sodium hypochlorite solution (6-14% 1.06495.5000 1 Kg 15030 5 Kg 81560 mol/l (0.5 N) TitriPUR® active chlorine) C 1.09138.4000 4 l 13130 1.05614.2500 2.5 l 5130 Sodium hydroxide pellets for analysis Sodium hydroxide solution c(NaOH) = 0.1 Sodium ICP standard traceable to SRM (max. 0.02% K) EMSURE® ACS,Reag. Ph Eur mol/l (0.1 N) TitriPUR® from NIST NaNO3 in HNO3 2-3% 1000 1.09141.5000 5 l 14020 mg/l Na CertiPUR® 1310-73-2 1.70353.0100 100 ml 16580 1.06469.1000 1.06469.5000 1 Kg 3970 Sodium hydroxide solution 50% for Sodium ICP standard traceable to SRM 5 Kg 14380 analysis EMSURE® from NIST NaNO3 in HNO3 2-3% 10000 Sodium hydroxide pellets for analysis 1.58793.1000 1l 4280 mg/l Na CertiPUR® EMSURE® ISO Sodium hydroxide solution c(NaOH) = 0.02 1.70381.0100 100 ml 33150 1310-73-2 500 g 1850 mol/l (0.02 N) TitriPUR® Sodium standard solution traceable to SRM 1.06498.0500 1 Kg 2850 1.06498.1000 5 Kg 10270 1.09142.0500 500 ml 2820 from NIST NaNO3 in H2O 1000 mg/l Na 1.06498.5000 C CertiPUR® Sodium hydroxide solution about 32% (for 1.19507.0500 500 ml 6350 Sodium hydroxide pellets pure the determination of nitrogen) for analysis Sodium iodate for analysis EMSURE® 1310-73-2 EMSURE® 7681-55-2 1.06462.1000 1.06525.0100 1.06462.5000 1 Kg 2270 1.05590.2500 C 2.5 l 7090 100 g 15420 5 Kg 8220 Sodium hydroxide solution c(NaOH) = 1 Sodium iodide 99.99 Suprapur® Sodium hydroxide solution c(NaOH) = 0.1 mol/l (1 N) TitriPUR® 7681-82-5 1.06519.0100 mol/l (0.1 N) TitriPUR® 1.09137.1000 1 l 3740 100 g 35590 1.06519.0500 500 g 89970 1.09141.1000 1 l 3510 1.09137.2500 2.5 l 7460 Sodium hydroxide solution c(NaOH) = 0.2 1.09137.4000 4 l 13420 Sodium iodide for analysis EMSURE® ACS,Reag. Ph Eur mol/l (0.2 N) TitriPUR® 1.09137.9010 10 l 18760 1.09140.1000 1 l 3550 Sodium hydroxide solution c(NaOH) = 2 7681-82-5 100 g 7230 1.06523.0100 250 g 13770 Sodium hydroxide solution c(NaOH) = 0.25 mol/l (2 N) TitriPUR® 34390 1.06523.0250 1 Kg mol/l (0.25 N) TitriPUR® 1.09136.1000 1 l 4480 1.06523.1000 1.09139.1000 1 l 3630 Sodium hydroxide solution about 32% Sodium 2-mercaptoethanesulfonate for synthesis Sodium hydroxide solution c(NaOH) = 0.33 extra pure mol/l (1/3 N) TitriPUR® 1.05587.2500 C 2.5 l 5060 19767-45-4 8.10595.0010 1.05595.1000 1 l 3550 1.05587.5000 5 l 9630 10 g 14280 174 MERCKgroup.com For enquiries write to [email protected]

Product Order Pack Unit Price Product Order Pack Unit Price Product Order Pack Unit Price No. ` No. ` No. ` Sodium metaperiodate for analysis Sodium standard dissolved in oil 1 g/kg Na Sodium salicylate for analysis EMSURE® EMSURE® ACS,Reag. Ph Eur CertiPUR® 54-21-7 1.06601.0250 7790-28-5 1.15058.0100 100 ml 29000 250 g 5640 1.06597.0050 1.06601.1000 1 Kg 14090 1.06597.0250 50 g 4160 di-Sodium oxalate for analysis EMSURE® Laboratory Reagents & Chemicals 1.06597.1000 250 g 13300 33220 62-76-0 250 g 6300 Sodium silicate solution extra pure 1 Kg 1.06557.0250 1 Kg 15760 1.05621.2500 2.5 l 8370 Sodium methylate (30% solution in 1.06557.1000 1.05621.9250 250 Kg 179770 methanol) for synthesis Sodium perborate tetrahydrate pure 8.18194.0100 100 ml 3280 Sodium standard 1000 mg Na, (NaCl in 5470 10486-00-7 8.18194.1000 1l 8120 1.06560.1000 1 Kg 3170 H2O) Titrisol® 8.18194.2500 2.5 l 1.09927.0001 1 ST 5040 Sodium methylate for synthesis Sodium perchlorate monohydrate for Sodium standard solution traceable to SRM analysis EMSURE® 124-41-4 from NIST NaNO3 in HNO3 0.5 mol/l 1000 8.06538.0005 5g 3210 7791-07-3 8.06538.0250 250 g 6330 1.06564.0100 100 g 12130 mg/l Na CertiPUR® 8.06538.0500 500 g 8120 500 g 26290 1.06564.0500 1.70238.0100 100 ml 3880 1.70238.0500 500 ml 5420 Sodium molybdate dihydrate extra pure Sodium peroxide for synthesis di-Sodium succinate anhydrous for synthesis 10102-40-6 1 Kg 29750 1313-60-6 100 g 5540 1.06524.1000 8.14606.0100 150-90-3 8.18601.0100 Sodium molybdate dihydrate for analysis Sodium peroxide granular for analysis 100 g 4530 EMSURE® ACS,ISO 8.18601.0500 500 g 11900 10102-40-6 100 g 12730 1313-60-6 C 100 g 5500 di-Sodium succinate hexahydrate for 1.06521.0100 250 g 14850 1.06563.0100 C 500 g 21910 synthesis 1.06521.0250 37250 36490 1.06521.1000 1 Kg 1.06563.0500 1 Kg 6106-21-4 100 g 3430 8.20151.0100 500 g 8900 1.06563.1000 8.20151.0500 Sodium nitrate 99.99 Suprapur® Sodium peroxidisulfate for analysis EMSURE® 7631-99-4 Sodium sulfanilate dihydrate for synthesis 1.06546.0050 50 g 13430 7775-27-1 1.06609.0500 Sodium nitrate cryst. extra pure FCC,E 251 500 g 3650 6106-22-5 250 g 10360 1.06609.1000 1 Kg 5610 8.22145.0250 7631-99-4 1 Kg 5000 Sodium phenolate trihydrate for synthesis Sodium sulfate anhydrous 99.99 1.06535.1000 Suprapur® Sodium nitrate for analysis EMSURE® 156150-40-2 100 g 7650 7757-82-6 50 g 23910 ACS,ISO,Reag. Ph Eur 8.20873.0100 500 g 25890 1.06647.0050 500 g 124280 7631-99-4 8.20873.0500 1.06647.0500 1.06537.0500 1.06537.1000 500 g 4060 tri-Sodium phosphate dodecahydrate for Sodium sulfate anhydrous for analysis 1 Kg 6240 analysis EMSURE® EMSURE® ACS,ISO,Reag. Ph Eur Sodium nitrite cryst. for synthesis 10101-89-0 1 Kg 8910 7757-82-6 1.06572.1000 5 Kg 31130 1.06649.0500 7632-00-0 100 g 1580 500 g 5410 8.22285.0100 1 Kg 4220 1.06572.5000 1.06649.1000 1 Kg 8320 8.22285.1000 5 Kg 14780 5 Kg 29100 8.22285.5000 tri-Sodium phosphate dodecahydrate for 1.06649.5000 analysis EMSURE® ACS,Reag. Ph Eur Sodium sulfate anhydrous for synthesis Sodium nitrite for analysis EMSURE® 10101-89-0 ACS,Reag. Ph Eur 1.06578.5000 5 Kg 36640 7757-82-6 1 Kg 5040 8.22286.1000 5 Kg 17570 7632-00-0 100 g 2670 Sodium polyphosphate extra pure 1.06549.0100 500 g 5790 (Graham’s salt) 8.22286.5000 1.06549.0500 10361-03-2 Sodium sulfate anhydrous granulated for Sodium nitroprusside dihydrate [disodium 1.06529.1000 1 Kg 6140 organic trace analysis EMSURE® pentacyanonitrosyl ferrate(III) dihydrate] 5 kg 21500 GR for analysis ACS,Reag. Ph Eur 1.06529.5000 7757-82-6 1.06639.0500 Sodium rod diameter 2.5 cm (protective 500 g 12220 liquid: paraffin oil) 13755-38-9 25 g 6490 Sodium sulfate anhydrous, coarse granules 1.06541.0025 100 g 13060 7440-23-5 for analysis 0.63 - 2.0 mm EMSURE® ACS 1.06541.0100 500 g 52060 1.06260.0250 1.06541.0500 250 g 19080 7757-82-6 500 g 8160 1.06260.1000 1 Kg 47670 1.06637.0500 1 Kg 12530 Sodium 1-octanesulfonate for surfactant tests Sodium rods (protective liquid: paraffin oil) 1.06637.1000 for synthesis 5324-84-5 Sodium sulfate decahydrate for analysis 1.12292.0002 2g 9540 7440-23-5 EMSURE® ACS,Reag. Ph Eur 1.12292.0005 5g 32640 8.22284.0250 C 1.12292.0025 25 g 47600 250 g 12950 7727-73-3 1 Kg 10590 8.22284.1000 C 1 Kg 32370 1.06648.1000 S : The items can be transported only by Sea Freight AL : Aluminium PE : Polyethylene 175 C : The items can be transported by Air Cargo GA : Glass Ampoule SB: Septum Bottle B : The items can be supplied against end user order copy only GB : Glass Bottle ** : PO & EUD Required

Part 2 Advanced Analytics Product Order Pack Unit Price Product Order Pack Unit Price Product Order Pack Unit Price No. ` No. ` No. ` Sodium sulfite anhydrous for analysis Sodium triacetoxyborohydride for Spectromelt®: For Sample EMSURE® Reag. Ph Eur synthesis Preparation in XRF Analysis 7757-83-7 500 g 2320 56553-60-7 25 g 11110 1.06657.0500 1 Kg 3550 8.43705.0025 100 g 37670 1.06657.1000 5 Kg 12400 8.43705.0100 1.06657.5000 Sodium trifluoroacetate for synthesis di-Sodium tartrate dihydrate for analysis Spectromelt® A 10 (di-lithium tetraborate) EMSURE® 2923-18-4 8.21164.0010 10 g 5140 12007-60-2 1 Kg 44030 6106-24-7 8.21164.0050 50 g 16410 1.10783.1000 5 Kg 176090 1.06663.0250 1.06663.1000 250 g 5610 penta-Sodium triphosphate for BOD 1.10783.5000 1 Kg 14040 determination acc. to DIN 38409-H-51 Spectromelt® A 100 di-lithiumtetraborate Sodium tartrate dihydrate Water standard for volumetric Karl Fischer Titration 7758-29-4 1 Kg 6490 12007-60-2 1 Kg 71530 (volumetric standard) apura® 1.06999.1000 1.12630.1000 5 kg 198100 Sodium tungstate dihydrate extra pure 1.12630.5000 6106-24-7 100 g 9950 10213-10-2 1 Kg 23990 Spectromelt® A 14 51% di-lithium 1.06664.0100 1.06672.1000 tetraborate/ 27% lanthane(III) oxide/ Sodium tert-butylate for synthesis Sodium tungstate dihydrate for analysis 12% lithium metaborate/ 10% lithium 865-48-5 EMSURE® 8.18374.0100 100 g 8120 fluoride 10213-10-2 1.11724.1000 1 Kg 155010 1.06673.0250 Sodium tetrafluoroborate for synthesis 1.06673.1000 250 g 12010 Spectromelt® A 12 66% di-lithium 1 Kg 30000 13755-29-8 250 g 2810 tetraborate/34% lithium metaborate 8.43877.0250 1 Kg 9410 8.43877.1000 Sodium tungstate dihydrate Msynth®plus 1.11802.1000 1 Kg 113210 Sodium tetraphenyl borate GR for analysis 10213-10-2 1.11802.5000 5 kg 151270 ACS,Reag. Ph Eur 8.45143.0250 8.45143.1000 250 g 13350 Spectromelt® A 1000 Li2B4O7 + 0,07% 1 Kg 35780 143-66-8 LiBr 1.06669.0010 1.06669.0025 10 g 12000 Sodiumtoluene-4-sulfinate for synthesis 1.13175.1000 1 Kg 55030 1.06669.0100 25 g 28240 100 g 103410 824-79-3 1.13175.5000 5 Kg 176090 8.43677.0025 Sodium thiocyanate pure 8.43677.0100 25 g 7390 Spectromelt® A 22 lithium metaborate/di- 100 g 14280 lithium tetraborate 22:12 Solvent Oils & Fats Solvent for volumetric 540-72-7 1.24001.1000 1 Kg 105190 1.06627.2500 2.5 Kg 12110 Karl Fischer titration with two component Spectromelt® C 15 Grinding and Sodium thiosulfate anhydrous reagents for oils and fats apura® tabletting aid for X-ray fluorescence 7772-98-7 1.88016.1000 1 l 9300 1.06512.2500 spectroscopy 2.5 Kg 16860 Solvent solvent for volumetric Karl Fischer 1.17062.0150 150 g 2500 titration with two component reagents Sodium thiosulfate anhydrous 1.17062.1000 1 kg 10490 apura® 7772-98-7 1.06512.0250 250 g 10120 1.88015.1000 1 l 8630 Spectromelt® C 15 MP Micropowder Sodium thiosulfate pentahydrate 99.999 1.88015.2500 2.5 l 18950 grinding and tabletting aid for X-ray Suprapur® Span® 20 for synthesis fluorescence spectroscopy 10102-17-7 1338-39-2 1.17074.1000 1 kg 7000 1.06509.0100 8.40119.0100 1.06509.0500 100 g 38580 8.40119.0500 100 ml 5320 Spectromelt® B 10 di-Sodium tetraborate 500 g 93600 500 ml 10590 1330-43-4 Sodium thiosulfate pentahydrate for Span® 60 for synthesis 1.06304.1000 1 Kg 22740 analysis EMSURE® ACS,ISO,Reag. Ph Eur 5 Kg 90870 1338-41-6 1.06304.5000 8.40121.0100 10102-17-7 500 g 5830 8.40121.0500 100 g 4870 Spectromelt® C 10 Grinding and tabletting 1.06516.0500 1 Kg 8940 500 g 10260 1.06516.1000 5 Kg 31310 aid for X-ray fluorescence spectroscopy 1.06516.5000 Span® 65 for synthesis 1.13990.5000 5 Kg 86010 Sodium thiosulfate solution c(Na2S2O3 5 26658-19-5 100 g 4720 SPECTROMELT C 20 GRINDING 8.40122.0100 500 g 10940 H2O) = 0.1 mol/l (0.1 N) TitriPUR® 8.40122.0500 AND TABLETTING AID FOR X-RAY 1.09147.1000 1 l 3080 Span® 80 for synthesis FLUORESCENCE SPECTROSCOPY 1.09147.4000 4 l 11120 1338-43-8 1.13934.5000 5 Kg 57770 8.40123.0100 1.09147.9010 10 l 15580 8.40123.0500 100 ml 5470 Spectrosolv® PSS for the ACIDORAPID® 8.40123.1000 500 ml 11640 Sodium thiosulfate solution for 1000 ml, 21010 mineralizer 1l c(Na2S2O3) = 0,01 mol/l (0.01 N) Titrisol® 1.07916.1000 1 l 110480 1.09909.0001 1 ST 2830 Span® 85 for synthesis Squalane for synthesis Sodium thiosulfate solution for 1000 ml, 26266-58-0 111-01-3 8.40124.0100 8.14605.0100 c(Na2S2O3) = 0.1 mol/l (0.1 N) Titrisol® 8.40124.0500 100 ml 5320 8.14605.1000 100 ml 8550 500 ml 13170 1l 66120 1.09950.0001 1 ST 2470 176 MERCKgroup.com For enquiries write to [email protected]

Product Order Pack Unit Price Product Order Pack Unit Price Product Order Pack Unit Price No. ` No. ` No. ` Squalene for synthesis Styrene (stabilised) for synthesis Sulfanilic acid standard for elemental analysis for analysis 111-02-4 100-42-5 8.21068.0100 100 ml 9260 8.07679.0100 100 ml 4280 121-57-3 5 g 4570 Laboratory Reagents & Chemicals 8.21068.0250 250 ml 13540 1l 5140 1.00684.0005 8.21068.1000 39540 8.07679.1000 9740 1l 2.5 l Sulfate standard solution traceable to SRM 8.07679.2500 Standard oil for atomic absorption Suberonitrile for synthesis from NIST Na2SO4 in H2O 1000 mg/l SO4 spectroscopy 629-40-3 CertiPUR® 8.05216.0100 8042-47-5 100 ml 7890 1.19813.0500 500 ml 7450 1.13898.2500 2.5 l 23390 Succinamide for synthesis Sulfate standard 1000 mg SO4 (H2SO4 in Stearic acid for synthesis 110-14-5 H2O) Titrisol® 8.07990.0100 57-11-4 100 g 10420 1.09872.0001 1 ST 4010 8.00673.0500 500 g 3940 Succinic acid for analysis EMSURE® 2-Sulfobenzoic acid ammonium salt for 8.00673.1000 1 Kg 5320 synthesis 110-15-6 Stearyl alcohol for synthesis 1.00682.0250 250 g 4480 6939-89-5 8.21600.0025 112-92-5 Succinic acid for synthesis 25 g 6940 8.07680.0100 100 g 4070 110-15-6 2-Sulfobenzoic anhydride for synthesis 8.07680.1000 1 Kg 5110 8.22260.0250 250 g 3920 81-08-3 cis-Stilbene for synthesis 8.22260.1000 1 Kg 8740 8.41501.0025 25 g 11400 645-49-8 5 ml 9580 Succinic anhydride Msynth®plus Sulfolane for synthesis 8.21072.0005 108-30-5 126-33-0 trans-Stilbene for synthesis 8.45010.0100 100 g 5800 8.07993.0250 250 ml 7470 1 Kg 9150 8.07993.1000 1l 26310 103-30-0 8.45010.1000 8.14152.0100 100 g 10230 Succinic anhydride for synthesis 3-Sulfolene for synthesis Stopcock grease melting point 45-53°C 108-30-5 77-79-2 8.00683.0100 8.07994.0250 1.04318.0250 250 g 4110 100 g 4070 250 g 8230 8.00683.0500 500 g 4650 Strontium chloride hexahydrate for atomic 6400 N-(3-Sulfopropyl)-N-methacroyloxyethyl- absorption spectroscopy (max. 0.0005% Ca) 8.00683.1000 1 Kg N,N-dimethylammonium betaine for synthesis 10025-70-4 Succinimide for synthesis 1.07857.0025 25 g 19350 123-56-8 3637-26-1 8.07971.0250 8.18484.0100 Strontium chloride hexahydrate for 250 g 8040 100 g 7890 analysis EMSURE® ACS 8.07971.1000 1 Kg 20700 5-Sulfosalicylic acid dihydrate for synthesis 10025-70-4 250 g 6080 Di-(N,N’-succinimidyl) carbonate for 5965-83-3 100 g 5320 1.07865.0250 1 Kg 15170 synthesis 8.00691.0100 250 g 7350 21280 1.07865.1000 74124-79-1 8.00691.0250 1 Kg 8.14971.0005 Strontium ICP standard traceable to SRM 5g 14410 8.00691.1000 8.14971.0025 25 g 57540 from NIST Sr(NO3)2 in HNO3 2-3% 1000 Sulfosuccinic acid (70% solution in water) mg/l Sr CertiPUR® Succinodinitrile for synthesis for synthesis 1.70354.0100 100 ml 23050 110-61-2 8.14413.0100 100 ml 5770 8.22143.0250 Strontium nitrate anhydrous 99.99 250 g 14630 Sulfur ICP standard traceable to SRM Suprapur® Succinyl dichloride for synthesis from NIST H2SO4 in H2O 1000 mg/l S 10042-76-9 543-20-4 CertiPUR® 1.07871.0250 8.00678.0050 250 g 56990 50 ml 12230 1.70355.0100 100 ml 15940 Strontium nitrate anhydrous 99.99 Sudan III, C.I. 26100 Sulfur ICP standard traceable to SRM Suprapur® 85-86-9 from NIST H2SO4 in H2O 10000 mg/l S 1.11747.0025 10042-76-9 25 g 7080 CertiPUR® 1.07871.0050 50 g 26720 Sulfanilamide GR for analysis Reag. Ph Eur 1.70385.0100 100 ml 31870 Strontium nitrate for analysis EMSURE® 63-74-1 Sulfur trioxide pyridine complex for synthesis 1.11799.0100 10042-76-9 100 g 20120 26412-87-3 1.07872.0250 8.18112.0100 250 g 6600 Sulfanilic acid for synthesis 100 g 9260 Strontium standard 1000 mg Sr, (SrCl2 in 121-57-3 Sulfuric acid 1.000 l for the preparation of 8.22338.0100 7% HCl) Titrisol® 100 g 3940 dilute volumetric solutions or for direct use 8.22338.1000 1 Kg 10880 1.09993.0001 1 ST 7000 c(H2SO4) = 2.5 mol/l (5 N) Combi-Titrisol® Strontium standard solution traceable to Sulfanilic acid GR for analysis ACS,Reag. 1.09912.0001 1 ST 10830 Ph Eur SRM from NIST Sr(NO3)2 in HNO3 0.5 Sulfuric acid 100% for conductivity measurements mol/l 1000 mg/l Sr CertiPUR® 121-57-3 1.00686.0100 1.19799.0100 100 ml 5380 100 g 4930 7664-93-9 1.00686.0250 250 g 10040 1.12223.1000 B 1.19799.0500 500 ml 7530 1 l 15700 S : The items can be transported only by Sea Freight AL : Aluminium PE : Polyethylene 177 C : The items can be transported by Air Cargo GA : Glass Ampoule SB: Septum Bottle B : The items can be supplied against end user order copy only GB : Glass Bottle ** : PO & EUD Required

Part 2 Advanced Analytics Product Order Pack Unit Price Product Order Pack Unit Price Product Order Pack Unit Price No. ` No. ` No. ` Sulfuric acid 25% for analysis EMSURE® Sulfuric acid c(H2SO4) = 0.25 mol/l (0.5 Taurine for synthesis 1.00716.1000 1 l 2370 N) TitriPUR® 107-35-7 8.08616.0005 Sulfuric acid 40% for determination of gas 1.09073.1000 1 l 3440 8.08616.0250 5g 3210 250 g 9100 metabolism acc. to Knipping 1.09073.4000 4 l 12340 1.09286.2500 C 2.5 l 7230 1.09073.9010 10 l 17250 Tellurium dioxide 99.5+ Sulfuric acid c(H2SO4) = 0.5 mol/l (1 N) 7446-07-3 10 g 11980 1.12356.0010 25 g 26020 Sulfuric acid 62% for analysis D. of fat TitriPUR® 1.12356.0025 4.80531.1000 1 l 5050 1.09072.1000 1 l 3610 4.80531.2500 2.5 l 9900 1.09072.4000 4 l 12990 Tellurium ICP standard traceable to SRM 1.09072.5000 5 l 14410 from NIST H6TeO6 in HNO3 2-3% 1000 Sulfuric acid 90-91% for Gerber fat 1.09072.9010 10 l 18160 mg/l Te CertiPUR® determination and determination of Sulfuric acid for 1000 ml, c(H2SO4) = 1.70357.0100 100 ml 34880 nitrates in milk 0.005 mol/l (0.01 N) Titrisol® Tellurium standard solution traceable to 1.00729.0500 B 500 ml 3440 1.09982.0001 1 ST 2460 SRM from NIST H6TeO6 in HNO3 0.5 mol/l 9600 1.00729.2500 2.5 l 1000 mg/l Te CertiPUR® Sulfuric acid 95-97% for analysis (max. Sulfuric acid for 1000 ml, c(H2SO4) = 0.05 1.19514.0100 100 ml 8160 0.005 ppm Hg) EMSURE® ACS,ISO,Reag. Ph Eur mol/l (0.1 N) Titrisol® 1.09984.0001 1 ST 2600 Terbium ICP standard traceable to SRM 7664-93-9 Sulfuric acid for 1000 ml, c(H2SO4) = 0.5 from NIST Tb(NO3)3 in HNO3 2-3% 1000 1.00732.1000 1.00732.2500 1l 4650 mol/l (1 N) Titrisol® mg/l Tb CertiPUR® 1.00732.2510 2.5 l 9110 B 2.5 l 9460 1.09981.0001 1 ST 2890 1.70358.0100 100 ml 40890 Sulfuric acid-D2 96% solution in D2O Terephthalaldehydic acid for synthesis deuteration degree min. 99.5% for NMR Sulfuric acid 95-97% for analysis EMSURE® spectroscopy MagniSolv(TM) 619-66-9 10 g 7200 ISO 8.21075.0010 7664-93-9 13813-19-9 Terephthaldialdehyde for synthesis 1.00731.1000 8.15060.0025 1.00731.1011 B 1l 3320 25 ml 35070 623-27-8 100 g 9540 1.00731.2500 1l 3050 8.08617.0100 1.00731.2510 Safe break 2.5 l 6510 Sulfurous acid 5-6% SO2 for analysis 1.00731.2511 2.5 l 6870 Terephthalic acid for synthesis 2.5 l 6000 EMSURE® 1.00761.1000 1 l 6310 100-21-0 100 g 3430 8.00762.0100 1 Kg 7200 1.00761.2500 2.5 l 12370 8.00762.1000 Sulfuryl chloride for synthesis Sulfuric acid 96% for the determination of Terephthalodinitrile for synthesis viscosity acc. to DIN EN ISO 307 7791-25-5 8.07997.0250 S 250 ml 6680 623-26-7 7664-93-9 1l 5440 1l 13110 8.21076.0050 50 g 7620 1.08131.1000 B 2.5 l 10660 8.07997.1000 S 250 g 20300 1.08131.2500 8.21076.0250 Tantalum ICP standard traceable to SRM Terephthaloyl dichloride for synthesis Sulfuric acid 96% Suprapur® from NIST (NH4)2TaF7 in H2O 1000 mg/l 100-20-9 7664-93-9 Ta CertiPUR® 8.00740.0250 250 g 7160 1.00714.0250 B 1.00714.1000 250 ml 24260 1.70356.0100 100 ml 32100 1l 53870 Tantalum powder 98+ o-Terphenyl for synthesis Sulfuric acid 96% Ultrapur 7440-25-7 25 g 34560 84-15-1 25 g 8490 1.12349.0025 8.21077.0025 100 g 13490 7664-93-9 1.01516.0250 B 8.21077.0100 250 ml 79550 Tantalum(V) chloride 99+ (S)-(-)-alpha-Terpineol for synthesis Sulfuric acid 98% for analysis EMSURE® 7721-01-9 100 g 111830 10482-56-1 5 ml 2740 1.12352.0100 8.21078.0005 250 ml 19270 52220 7664-93-9 B 1l 3420 (2R,3R)-(+)-Tartaric acid for resolution of 8.21078.0250 1l 1.12080.1000 2.5 l 6690 racemates for synthesis 1.12080.2500 Safe break 2.5 l 7030 8.21078.1000 1.12080.2510 87-69-4 100 g 2790 Terpineol (mixture of isomers) for 8.18531.0100 500 g 4280 synthesis 2.5 Kg 14200 Sulfuric acid 98% for the determination of 8.18531.0500 8000-41-7 1l 18130 nitrogen 8.14759.1000 2.5 l 26500 8.18531.2500 8.14759.2500 7664-93-9 DL-Tartaric acid for synthesis 1.00748.0500 B 500 ml 3980 1.00748.2500 2.5 l 13240 133-37-9 100 g 6350 N-tert-BOC-Hydroxylamine for synthesis 8.43377.0100 500 g 21310 Sulfuric acid c(H2SO4) = 0.05 mol/l (0.1 36016-38-3 5g 12550 8.43377.0500 8.41145.0005 25 g 60870 N) TitriPUR® (2S,3S)-(-)-Tartaric acid for the resolution 8.41145.0025 of racemates for synthesis 1.09074.1000 1 l 3260 2-(tert-BOC-Oxyimino)-2- phenylacetonitrile for synthesis 1.09074.4000 4 l 11670 147-71-7 8.00799.0025 1.09074.5000 5 l 12990 25 g 8740 58632-95-4 8.00799.0100 100 g 22770 8.41266.0005 1.09074.9010 10 l 16340 5g 9530 178 MERCKgroup.com For enquiries write to [email protected]

Product Order Pack Unit Price Product Order Pack Unit Price Product Order Pack Unit Price No. ` No. ` No. ` N-tert-BOC-4-Piperidinone for synthesis 4-tert-Butylbenzaldehyde for synthesis N-tert-Butyldimethylsilyl-N- methyltrifluoroacetamide for synthesis 79099-07-3 939-97-9 8.41512.0005 5 g 5960 8.43094.0005 5 ml 6360 77377-52-7 25 ml 9530 8.14219.0001 N-tert-Butyl-6-chloronicotinamide for 8.43094.0025 1 ml 6460 Laboratory Reagents & Chemicals synthesis 8.14219.0005 5 ml 21100 tert-Butylbenzene for synthesis tert-Butylhydroquinone for synthesis 115309-58-5 98-06-6 8.43921.0005 5g 2530 8.20240.0100 100 ml 6020 1948-33-0 100 g 8720 25 g 10030 500 ml 9840 8.41424.0100 500 g 25500 8.43921.0025 8.20240.0500 8.41424.0500 tert-Butyl-diphenylchlorosilane for 4-tert-Butylbenzoic acid for synthesis synthesis tert-Butyllithium (15% solution in 98-73-7 58479-61-1 8.20238.0100 100 g 3090 n-pentane) for synthesis 8.14047.0025 1 Kg 6770 25 ml 10810 8.20238.1000 8.14147.0100 100 ml 13110 tert-Butyl acetate for synthesis 4-tert-Butylbenzoyl chloride for synthesis 2-tert-Butylphenol for synthesis 540-88-5 250 ml 9070 1710-98-1 25 ml 8460 88-18-6 5 ml 2950 8.02189.0250 1l 24460 8.41040.0025 8.20249.0005 250 ml 3520 8.02189.1000 8.20249.0250 tert-Butyl acetoacetate for synthesis 4-tert-Butylbenzyl alcohol for synthesis 4-tert-Butylphenol for synthesis 1694-31-1 250 ml 10030 877-65-6 25 ml 2890 98-54-4 100 g 3430 8.21649.0250 8.14660.0025 100 ml 9320 8.20250.0100 1 Kg 6490 9630 8.14660.0100 8.20250.1000 2.5 Kg tert-Butyl bromoacetate for synthesis p-tert-Butylcalix[4]arene for synthesis 8.20250.2500 5292-43-3 25 ml 12720 60705-62-6 4-tert-Butylpyrocatechol for synthesis 8.21328.0025 8.14707.0001 1 g 12070 98-29-3 8.01987.0005 tert-Butyl carbazate for synthesis p-tert-Butylcalix[6]arene for synthesis 5g 2890 8.01987.0250 250 g 6430 870-46-2 50 g 13010 78092-53-2 1 g 12070 19260 8.01656.0050 8.14708.0001 8.01987.1000 1 Kg tert-Butyl chloroacetate for synthesis 4-tert-Butylcyclohexanecarboxylic acid 4-tert-Butyltoluene for synthesis (mixture of cis and trans isomers) for 107-59-5 100 ml 14880 synthesis 98-51-1 100 ml 5950 8.41606.0100 8.14286.0100 1l 27110 5451-55-8 8.14286.1000 8.41275.0010 tert-Butyl cyanoacetate for synthesis 10 g 15320 2-tert-Butyl-4-methoxyphenol for synthesis 1116-98-9 25 ml 20700 (+)-trans-2-tert-Butylcyclohexanol for 8.41096.0025 synthesis 121-00-6 8.20246.0100 tert-Butyl ethyl ether for synthesis 100 g 6850 8.20246.0500 500 g 25050 637-92-3 13492-07-4 500 mg 12130 8.41873.0002 2 ml 3890 8.24508.0500 2-tert-Butyl-4-methylcyclohexanol for 5 ml 4800 synthesis 8.41873.0005 25 ml 19310 (-)-trans-2-tert-Butylcyclohexanol for synthesis 67634-11-1 8.41873.0025 8.14694.0025 tert-Butyl glycinate for synthesis 98104-30-4 25 ml 6460 8.24509.0500 6456-74-2 500 mg 12130 (2-tert-Butyl-4-methylcyclohexyl) acetate 8.18213.0006 (mixture of isomers) for synthesis 5 ml 20390 4-tert-Butylcyclohexanol (mixture of cis- and trans isomers) for synthesis tert-Butyl hydroperoxide (70% solution in 115724-27-1 25 ml 6460 8.14693.0025 water) for synthesis 98-52-2 8.14086.0250 250 g 6400 8.14006.0005 5 ml 2910 2-tert-Butyl-4-methylphenol for synthesis 8.14006.0250 250 ml 6850 4-tert-Butylcyclohexanone for synthesis 2409-55-4 8.18620.0100 tert-Butyl nitrite for synthesis 98-53-3 100 g 10510 100 g 3430 8.41500.0100 8.18620.0500 500 g 7200 540-80-7 8.18528.0100 100 ml 9840 4-tert-Butylcyclohexyl acetate (mixture of N-tert-Butyl-alpha-phenylnitrone for cis- and trans isomers) for synthesis synthesis tert-Butyl 2-nitroethyl ether for synthesis 3376-24-7 77791-00-5 1 ml 9580 32210-23-4 250 ml 5800 8.41179.0001 1 g 11810 8.14278.0001 8.14083.0250 5-tert-Butyl-m-xylene for synthesis tert-Butyl perbenzoate for synthesis tert-Butyldimethylchlorosilane for synthesis 98-19-1 614-45-9 250 ml 8740 18162-48-6 25 g 21030 8.14287.0100 100 ml 4120 8.20967.0250 8.18642.0025 100 g 48050 500 ml 16190 8.14287.0500 8.18642.0100 tert-Butylamine for synthesis tert-Dodecanethiol (mixture of isomers) for synthesis 75-64-9 tert-Butyldimethylsilyl 8.01546.0100 100 ml 4280 trifluoromethanesulfonate for synthesis 25103-58-6 500 ml 4960 8.14912.0250 8.01546.0500 5800 69739-34-0 25 ml 42230 250 ml 4800 1l 8.18313.0025 8.14912.1000 1l 11920 8.01546.1000 S : The items can be transported only by Sea Freight AL : Aluminium PE : Polyethylene 179 C : The items can be transported by Air Cargo GA : Glass Ampoule SB: Septum Bottle B : The items can be supplied against end user order copy only GB : Glass Bottle ** : PO & EUD Required

Part 2 Advanced Analytics Product Order Pack Unit Price Product Order Pack Unit Price Product Order Pack Unit Price No. ` No. ` No. ` L-(+)-tert-Leucine for synthesis Tetra-n-butylammonium hydrogen sulfate Tetrachlorophthalic anhydride for synthesis for synthesis 20859-02-3 117-08-8 8.18367.0001 1g 12130 32503-27-8 8.00741.0100 100 g 6890 8.18858.0100 Test Kit for water determination according 100 g 14690 n-Tetracosane for synthesis 8.18858.0500 500 g 53290 to Karl Fischer apura® 646-31-1 Tetra-n-butylammonium hydrogensulfate 8.21089.0025 25 g 8210 1.88025.0001 1 ST 40260 Msynth®plus Test Kit Solvent for water determination 32503-27-8 Tetracyanoethylene for synthesis 8.45083.0100 acc. to Karl Fischer - refill pack apura® 100 g 20980 670-54-2 5g 11520 8.45083.0500 500 g 76030 8.08240.0005 1.88027.0500 500 ml 10640 Test Kit Titrant for water determination Tetra-n-butylammonium hydroxide (12.5% 7,7,8,8-Tetracyanoquinonedimethane for synthesis acc. to Karl Fischer - refill pack apura® solution in methanol) for synthesis 1518-16-7 1.88026.0100 100 ml 13300 8.18215.0250 250 ml 14690 8.18973.0005 5 g 12910 8.18215.1000 1 l 32700 1,4,8,11-Tetraazacyclotetradecane for Tetra-n-butylammonium hydroxide (20% n-Tetradecane for synthesis synthesis solution in water) for synthesis 629-59-4 295-37-4 8.14767.0050 50 ml 4450 8.41316.0001 1 g 16250 8.18759.0050 50 ml 4450 250 ml 17610 8.14767.0250 8.18759.0100 100 ml 8990 Tetrabromo-p-benzoquinone for synthesis 8.18759.0500 500 ml 30260 1-Tetradecanol for synthesis 488-48-2 5 g 7520 Tetra-n-butylammonium iodide for 112-72-1 100 g 4280 8.20180.0005 synthesis 8.08146.0100 1 Kg 7830 1.1,2,2-Tetrabromoethane 311-28-4 8.08146.1000 8.22152.0100 79-27-6 100 g 8210 1-Tetradecene for synthesis 1.00034.1000 8.22152.0250 250 g 16190 1l 51990 1120-36-1 Tetra-n-butylammonium tetrafluoroborate 8.08601.0100 100 ml 4070 1.1,2,2-Tetrabromoethane red-coloured for synthesis 500 ml 5470 8.08601.0500 79-27-6 1 l 45540 429-42-5 25 g 9990 Tetradecyltrimethylammonium bromide for 1.00033.1000 8.18244.0025 synthesis Tetrabromophthalic anhydride for synthesis Tetra-n-butylphosphonium bis(oxalato-(2)- 1119-97-7 25 g 6850 borate) for synthesis 8.40006.0025 100 g 13630 632-79-1 8.08096.0250 250 g 6850 433941-16-3 25 g 42850 8.40006.0100 8.14995.0025 Tetraethyl orthocarbonate for synthesis Tetra-n-butyl orthotitanate for synthesis Tetra-n-butyltin for synthesis 78-09-1 5593-70-4 100 ml 4280 1461-25-2 25 ml 2990 8.18835.0010 10 ml 6570 8.21084.0100 500 ml 16680 8.08278.0025 100 ml 4110 8.21084.0500 Tetraethyl orthosilicate for synthesis 8.08278.0100 78-10-4 Tetra-n-butylammonium borohydride for Tetrachloroauric(III) acid trihydrate 99.5% 8.00658.0250 250 ml 6230 synthesis for analysis EMSURE® 1l 17330 8.00658.1000 33725-74-5 16961-25-4 8.41188.0010 10 g 14090 1.01582.0001 1g 28810 Tetraethyl orthotitanate for synthesis 5g 115240 Tetrabutylammonium bromide (50% 1.01582.0005 100 g 864320 3087-36-3 250 ml 12990 8.21083.0250 1l 23370 solution in water) for synthesis 1.01582.0100 8.21083.1000 8.43804.0100 100 ml 4800 1,2,3,4-Tetrachlorobenzene for synthesis 634-66-2 Tetraethylammonium bromide for synthesis 8.21605.0010 Tetra-n-butylammonium bromide for 10 g 3830 71-91-0 250 g 7650 synthesis 8.21605.0100 100 g 23410 8.22147.0250 1 Kg 19440 1643-19-2 1,2,4,5-Tetrachlorobenzene for synthesis 8.22147.1000 8.18839.0010 8.18839.0050 10 g 2600 95-94-3 10 g 11760 Tetraethylammonium chloride 8.18839.0250 50 g 6490 8.41787.0010 monohydrate for synthesis 250 g 19660 1,1,2,2-Tetrachloroethane for synthesis 56-34-8 8.22148.0025 25 g 5360 Tetra-n-butylammonium chloride for 79-34-5 250 ml 5040 100 g 18150 synthesis 8.43948.0250 8.22148.0100 1112-67-0 25 g 8610 Tetrachloroethylene EMPLURA® Tetraethylammonium hydroxide (20% 8.14645.0025 100 g 28530 8.14645.0100 127-18-4 aqueous solution) for synthesis 1.00964.1000 1l 3930 8.22149.0250 250 ml 9920 1.00964.2500 2.5 l 8230 Tetra-n-butylammonium fluoride trihydrate 8.22149.1000 1 l 27330 for synthesis Tetrachloroethylene for spectroscopy Tetraethylammonium tetrafluoroborate for 87749-50-6 Uvasol® synthesis 8.18164.0005 8.18164.0010 5g 4870 127-18-4 500 ml 5740 429-06-1 25 g 10530 8.18164.0050 10 g 6850 1.00965.0500 2.5 l 20460 8.18246.0025 100 g 43700 50 g 20370 1.00965.2500 8.18246.0100 180 MERCKgroup.com For enquiries write to [email protected]

Product Order Pack Unit Price Product Order Pack Unit Price Product Order Pack Unit Price No. ` No. ` No. ` Tetraethylene glycol dimethyl ether for 2-Tetrahydrofuran carboxylic acid for 1,2,3,4-Tetrahydronaphthalene for synthesis synthesis synthesis 143-24-8 250 ml 7310 16874-33-2 100 ml 10590 119-64-2 100 ml 3920 Laboratory Reagents & Chemicals 8.20959.0250 1l 15400 8.14503.0100 8.09733.0100 1l 6670 8.20959.1000 8.09733.1000 11900 Tetrahydrofuran dried (max. 0.005 % 8.09733.2500 2.5 l Tetraethylene glycol for synthesis H2O) SeccoSolv® 112-60-7 1l 6670 109-99-9 SB 150 ml 6210 1,2,3,6-Tetrahydrophthalic anhydride for 8.08619.1000 1.08107.0161 GB 500 ml 6660 synthesis GB 11900 Tetraethylene pentamine (mixture of 1.08107.0500 SB 1l 12420 85-43-8 100 g 3940 aliphatic amines) for synthesis 1l 8.00742.0100 1 Kg 5900 1.08107.1000 8.00742.1000 112-57-2 8.14713.0250 1.08107.1001 8.14713.1000 250 ml 4110 Tetrahydrofuran for analysis EMSURE® 1,2,3,6-Tetrahydrophthalimide for 1l 9440 ACS,Reag. Ph Eur synthesis Tetraethylthiuram disulfide for synthesis 109-99-9 85-40-5 1.09731.1000 GB 8.20370.0250 97-77-8 100 g 5610 1l 9150 250 g 4910 8.41550.0100 500 g 9430 1.09731.2500 GB 2.5 l 22630 8.41550.0500 Tetrahydropyran for synthesis Tetrahydrofuran for liquid chromatography Tetraheptylammonium iodide for synthesis LiChrosolv® 142-68-7 250 ml 10060 8.43950.0250 3535-83-9 8.41874.0005 5 g 5790 109-99-9 GB 1 lit 21440 1,2,3,4-Tetrahydroquinoline for synthesis 1.08101.1000 GB 1 lit 44660 Tetrahydro-4H-pyran-4-one for synthesis GB 1 lit 71470 635-46-1 100 ml 9510 1.08101.2500 8.08224.0100 29943-42-8 8.18226.0001 1 ml 6330 1.08101.4000 8.18226.0005 5 ml 23630 Tetrahydrofuran for spectroscopy Uvasol® Tetrahydrothiophene for synthesis 1,2,3,4-Tetrahydro-6,7-dimethoxy- 109-99-9 500 ml 10700 110-01-0 5 ml 2210 isoquinoline hydrochloride for synthesis 1.08110.0500 GB 2.5 l 42120 8.21095.0005 250 ml 6080 8.21095.0250 1.08110.2500 GB 2328-12-3 8.41076.0005 5g 9580 Tetrahydrofuran-D8 deuteration degree Tetraiodoethylene for synthesis 8.41076.0025 25 g 20920 min 99.5% for NMR spectroscopy MagniSolv(TM)** 513-92-8 5g 8910 1,2,3,4-Tetrahydro-6,7- 8.21096.0005 25 g 38190 dimethoxyquinazoline-2,4-dione for 1693-74-9 8.21096.0025 synthesis 1.13364.0001 GA 1 ml 6610 Tetrakis (diethylamino)titanium for 28888-44-0 1.13364.0009 10x.75 ml GA 7.5 ml 39640 synthesis 8.14638.0005 SB 10 ml 47960 8.14638.0025 5g 7780 1.13364.0010 4419-47-0 25 g 28070 8.14018.0005 Tetrahydrofurfuryl alcohol for synthesis 5 ml 25890 1-(Tetrahydro-2-furoyl) piperazine for 97-99-4 100 ml 3520 Tetrakis (hydroxymethyl)phosphonium synthesis 8.22307.0100 1l 7200 10530 chloride (aqueous solution) for synthesis 63074-07-7 8.22307.1000 2.5 l 8.43920.0005 5g 6990 8.40069.0050 50 ml 3160 8.43920.0025 25 g 25120 8.22307.2500 8.40069.0500 500 ml 33990 (3S)-1,2,3,4-Tetrahydro-3- Tetrahydrofurfuryl alcohol polyethylene Tetrakis (triphenylphosphine)-palladium(0) isoquinolinecarbocylic acid for synthesis glycol ether for synthesis for synthesis 74163-81-8 1 g 5960 31692-85-0 100 ml 9740 14221-01-3 500 mg 12550 8.16148.0001 8.21092.0100 250 ml 18050 8.14761.8500 1g 14520 8.14761.0001 5g 49680 8.21092.0250 8.14761.0005 191860 8.14761.0025 25 g 1,2,3,4-Tetrahydro-1-naphthalenone for Tetrahydrofurfuryl chloride for synthesis synthesis 3003-84-7 529-34-0 100 ml 7890 8.41236.0025 25 ml 8900 Tetramethyl-p-benzoquinone for synthesis 8.08203.0100 250 ml 14190 8.08203.0250 2-Tetrahydrofurfurylamine for synthesis 527-17-3 8.21098.0005 1,2,3,4-Tetrahydro-2-naphthalenone for 4795-29-3 5 g 11400 synthesis 8.14736.0100 100 ml 4020 2,2,6,6-Tetramethyl-3,5-heptanedione for 530-93-8 8.14736.0500 500 ml 15120 synthesis 8.20469.0005 5 ml 11700 2,3,6,7-Tetrahydro-1H,5H-benzo[i,j]- 1118-71-4 quinolizin-8-ol for synthesis 8.18341.0005 1,2,3,4-Tetrahydro-1-naphthol for 8.18341.0025 5 ml 4820 synthesis 41175-50-2 25 ml 20700 8.14634.0001 529-33-9 5g 6330 1 g 6690 N,N,N’,N’-Tetramethyl ethylenediamine for 8.14836.0005 8.14634.0005 5 g 28770 synthesis 5,6,7,8-Tetrahydro-2-naphthol for 1,2,3,4-Tetrahydroisoquinoline for 110-18-9 5 ml 3160 synthesis synthesis 8.08742.0005 250 ml 6490 8.08742.0250 17610 1125-78-6 10 g 9210 91-21-4 25 ml 9430 8.08742.1000 1l 8.14883.0010 8.41560.0025 S : The items can be transported only by Sea Freight AL : Aluminium PE : Polyethylene 181 C : The items can be transported by Air Cargo GA : Glass Ampoule SB: Septum Bottle B : The items can be supplied against end user order copy only GB : Glass Bottle ** : PO & EUD Required

Part 2 Advanced Analytics Product Order Pack Unit Price Product Order Pack Unit Price Product Order Pack Unit Price No. ` No. ` No. ` Tetramethyl orthosilicate for synthesis 1,2,4,5-Tetramethylbenzene for synthesis Tetramethylthiuram disulfide for synthesis 681-84-5 25 ml 3730 95-93-2 100 g 6980 137-26-8 25 g 2990 8.14651.0025 S 100 ml 8550 8.08624.0100 8.40135.0025 100 g 3800 8.14651.0100 S 3,3’,5,5’-Tetramethylbenzidine GR for 8.40135.0100 analysis N,N,N’,N’-Tetramethyl-1,4- Tetramethyltin for synthesis phenylenediamine for synthesis 54827-17-7 594-27-4 100-22-1 1.08622.0001 1 g 9080 8.08706.0010 S 10 ml 13910 8.21101.0005 8.21101.0025 5g 5900 Tetramethylbenzidine solution for the Tetramethylurea for synthesis 25 g 23470 detection of chlorine 632-22-4 N,N,N’,N’-Tetramethyl-1,4- 1.08475.1000 1 l 7480 8.08205.0100 100 ml 6640 phenylenediammonium dichloride for 250 ml 14410 synthesis 1,1,3,3-Tetramethylbutyl isocyanide for 8.08205.0250 synthesis 637-01-4 2,2,6,6-Tetramethyl-4-piperidinol for 8.21102.0002 2g 7070 14542-93-9 5 ml 21500 synthesis 8.21102.0010 10 g 15730 8.18105.0005 8.21102.0025 25 g 28070 2403-88-5 4-(1,1,3,3-Tetramethylbutyl)phenol for 8.14301.0025 25 g 4870 N,N,N’,N’-Tetramethyl-1,3-propanediamine synthesis 100 g 11900 for synthesis 8.14301.0100 140-66-9 100 g 3160 Tetra-n-butylammonium hydroxide solution 8.06904.0100 1 Kg 5750 110-95-2 8.06904.1000 in 2-propanol/methanol for titrations in 8.43567.0025 25 ml 7810 nonaqueous media c[(C4H9)4NOH] = 0.1 Tetramethylammonium acetate (50% N,N,N’,N’-Tetramethyldiaminomethane for mol/l (0.1 N) TitriPUR® synthesis solution in water) for synthesis 1.09162.0500 500 ml 44040 8.41249.0010 10 ml 11340 51-80-9 1.09162.1000 1 l 55060 8.41694.0050 50 ml 12550 Tetra-n-octylammonium bromide for synthesis Tetramethylammonium bromide for 1,1,3,3-Tetramethyldisilazane for synthesis synthesis 15933-59-2 14866-33-2 64-20-0 25 g 5470 8.14060.0010 10 ml 9030 8.14002.0010 10 g 10430 8.43722.0025 100 g 13170 50 g 25810 8.43722.0100 1,1,3,3-Tetramethyldisiloxane for synthesis 8.14002.0050 Tetramethylammonium chloride for 3277-26-7 25 ml 6280 Tetraoctylphosphonium bromide for synthesis 8.18414.0025 synthesis 75-57-0 250 g 7690 N,N,N’,N’-Tetramethylguanidine for 23906-97-0 10 g 6180 8.22156.0250 1 Kg 18750 synthesis 8.40068.0010 8.22156.1000 80-70-6 Tetraoctyltin for synthesis 8.21897.0100 100 ml 8320 Tetramethylammonium hydroxide (25% 8.21897.0250 250 ml 18760 3590-84-9 100 ml 11920 8.21898.0100 solution in water) Msynth®plus 8.45151.0250 250 ml 28240 2,2,6,6-Tetramethylpiperidine for synthesis Tetrapentylammonium iodide for synthesis Tetramethylammonium hydroxide (25% 768-66-1 25 ml 10260 2498-20-6 25 g 12730 8.18132.0025 100 ml 31460 8.41762.0025 solution in water) for synthesis 8.18132.0100 8.14748.0250 250 ml 19760 Tetraphenyl-1,2-ethanediol for synthesis 8.14748.1000 1 l 27180 2,2,6,6-Tetramethylpiperidine-1-oxyl (free 464-72-2 radical) for synthesis 8.21104.0025 Tetramethylammonium hydroxide solution 25 g 9210 2564-83-2 in 2-propanol/methanol for titrations in 8.14681.0005 5g 15830 Tetraphenylarsonium chloride monohydrate 8.14681.0025 25 g 29570 for analysis EMSURE® non-aqueous media c(C4H13NO)=0.1 mol/l (0.1 N) TitriPUR® 104170-16-3 1.08150.0005 1.08124.0250 250 ml 10480 2,3,5,6-Tetramethylpyrazine for synthesis 5 g 11220 1.08124.1000 1 l 42880 1124-11-4 8.41794.0025 Tetramethylammonium hydroxide solution 25 g 10980 Tetraphenylphosphonium bromide for synthesis 10% for polarography and for examination Tetramethylsilane for the calibration of NMR spectra for NMR spectroscopy of steroids Reag. Ph Eur MagniSolv(TM) 2751-90-8 10 g 7580 8.08243.0010 25 g 16160 1.08123.0050 50 ml 8560 8.08243.0025 1.08123.0250 250 ml 28820 75-76-3 1.08183.0100 Tetramethylammonium iodide for synthesis 100 ml 15470 Tetraphenylphosphonium iodide for synthesis 75-58-1 N,N,N’,N’-Tetramethylsuccinyldiamide for 8.43724.0025 25 g 3610 synthesis 2065-67-0 5g 9630 8.43724.0100 100 g 9530 8.41105.0005 7334-51-2 Tetramethylammonium tetrafluoroborate 8.18081.0010 10 g 7710 Tetrapropyl orthotitanate for synthesis for synthesis Tetramethylthiourea for synthesis 3087-37-4 8.21107.0100 661-36-9 25 g 10420 2782-91-4 25 g 6850 100 ml 5700 8.21097.0025 8.41854.0025 8.21107.0500 500 ml 12650 182 MERCKgroup.com For enquiries write to [email protected]

Product Order Pack Unit Price Product Order Pack Unit Price Product Order Pack Unit Price No. ` No. ` No. ` Tetrapropylammonium bromide for 2-Thiobarbituric acid reagent for sorbic acid Thiophene-2-carboxylic acid chloride for synthesis synthesis 504-17-6 1941-30-6 1.08180.0025 25 g 6530 5271-67-0 8.18735.0100 8.14308.0025 8.18735.0250 100 g 7270 Thiobenzamide for synthesis 25 ml 6850 Laboratory Reagents & Chemicals 250 g 15640 8.14308.0100 100 ml 21530 2227-79-4 Tetrapropylammonium hydroxide (40% 8.21113.0050 50 g 9900 Thiophene-3-carboxylic acid for synthesis solution in water) for synthesis Thiobenzoylmercaptoacetic acid for 88-13-1 synthesis 8.41525.0001 8.14068.0010 10 ml 3650 1g 2840 8.41525.0010 10 g 21100 8.14068.0050 50 ml 12670 942-91-6 8.14687.0001 8.14068.0250 250 ml 31440 8.14687.0005 1 g 5240 Thiophene-2-ethanol for synthesis 5 g 26910 tetra-Sodium diphosphate decahydrate for 5402-55-1 analysis EMSURE® ACS,Reag. Ph Eur 4,4’-Thiobis(2-tert-butyl-5-methylphenol) 8.18682.0025 25 ml 17610 for synthesis 13472-36-1 500 g 5490 Thiophene-2-sulfonyl chloride for synthesis 1.06591.0500 2.5 Kg 16880 96-69-5 1.06591.2500 8.18449.0100 100 g 6280 16629-19-9 8.14879.0010 (-)-Tetra-O-benzoyl-2-hydroxy-D-glucal for 2,2’-Thiodiacetic acid for synthesis 10 g 22980 synthesis 123-93-3 Thiophenol for synthesis 8.08625.0250 14125-75-8 10 g 9580 8.08625.1000 250 g 6030 108-98-5 S 5 ml 3160 8.18260.0010 1 Kg 11920 8.08159.0005 S 250 ml 7350 S 17790 Tetra-tert-butyl orthotitanate for synthesis 3,3’-Thiodipropionic acid for synthesis 8.08159.0250 1l 3087-39-6 8.08159.1000 8.18320.0025 25 ml 9910 111-17-1 250 g 6350 Thiosalicylic acid for synthesis 8.08626.0250 Thallium ICP standard traceable to SRM Thioflavine T (C.I.No.49005) for synthesis 147-93-3 100 g 18460 8.41613.0100 from NIST TlNO3 in HNO3 2-3% 1000 mg/l 2390-54-7 8.40072.0005 Tl CertiPUR® 5 g 10400 Thiosemicarbazide for synthesis 1.70359.0100 100 ml 20800 79-19-6 8.21119.0250 Thallium standard solution traceable to Thioglycolic acid for synthesis 250 g 10430 8.21119.1000 1 Kg 24440 SRM from NIST TlNO3 in HNO3 0.5 mol/l 68-11-1 250 ml 4110 8.22336.0250 1l 9920 1000 mg/l Tl CertiPUR® 8.22336.1000 Thiosemicarbazide GR for analysis 1.19801.0100 100 ml 4850 79-19-6 1.08156.0010 1.19801.0500 500 ml 8170 Thioglycolic acid GR for analysis Reag. Ph Eur 10 g 7020 Thianthrene for synthesis 68-11-1 100 ml 7440 2-Thiouracil for synthesis 1.00700.0100 1l 24190 92-85-3 25 g 11180 1.00700.1000 141-90-2 8.21109.0025 8.21120.0100 100 g 9720 Thiazole for synthesis Thionyl chloride for synthesis 8.21120.0500 500 g 37270 54930 288-47-1 1 ml 8870 7719-09-7 S 100 ml 4280 8.21120.1000 1 Kg 8.41237.0001 5 ml 44480 8.08154.0100 S 500 ml 5140 8.41237.0005 8.08154.0500 S 8720 Thiourea for synthesis 8.08154.1000 S 1l 13290 (R)-(-)-Thiazolidine-4-carboxylic acid for 8.08154.2500 2.5 l 62-56-6 500 g 4550 synthesis 8.18591.0500 Thiophene for synthesis 34592-47-7 Thiourea GR for analysis ACS,Reag. Ph Eur 8.21110.0025 25 g 6400 110-02-1 8.21110.0100 100 g 23410 8.08157.0005 5 ml 3210 62-56-6 250 g 5080 8.08157.0250 250 ml 7690 1.07979.0250 1 Kg 16670 2,4-Thiazolidinedione for synthesis 8.08157.1000 20510 1l 1.07979.1000 2295-31-0 25 g 9100 Thiophene-2-acetic acid for synthesis 2-Thioxo-4-thiazolidinone for synthesis 8.41071.0025 1918-77-0 141-84-4 2-Thiazoline-2-thiol for synthesis 8.41123.0025 25 g 13330 8.21063.0050 50 g 13470 250 g 42440 96-53-7 Thiophene-3-acetic acid for synthesis 8.21063.0250 8.21111.0100 8.21111.0500 100 g 4720 6964-21-2 1 g 3580 Thorin indicator for sulfate titration 500 g 20790 8.41797.0001 3688-92-4 Thioacetamide GR for analysis ACS,Reag. Thiophene-2-acetonitrile for synthesis 1.08294.0005 5g 7620 Ph Eur 20893-30-5 Thorium ICP standard traceable to SRM 62-55-5 8.41125.0025 25 ml 11700 1.08170.0050 50 g 11020 from NIST Th(NO3)4 in HNO3 2-3% 10 1.08170.0250 250 g 45410 1.08170.1000 166000 Thiophene-2-acetyl chloride for synthesis mg/l Th CertiPUR® 1 Kg 39098-97-0 1.70391.0100 100 ml 29330 8.41865.0025 Thioacetic acid for synthesis 25 ml 16160 (2S,3R)-(-)-Threonine for synthesis 507-09-5 Thiophene-2-carbaldehyde for synthesis 72-19-5 8.08076.0100 8.16012.0025 8.08076.0250 100 ml 8900 98-03-3 50 ml 7380 25 g 5200 250 ml 15640 8.08161.0050 8.16012.0100 100 g 17090 S : The items can be transported only by Sea Freight AL : Aluminium PE : Polyethylene 183 C : The items can be transported by Air Cargo GA : Glass Ampoule SB: Septum Bottle B : The items can be supplied against end user order copy only GB : Glass Bottle ** : PO & EUD Required

Part 2 Advanced Analytics Product Order Pack Unit Price Product Order Pack Unit Price Product Order Pack Unit Price No. ` No. ` No. ` Thulium ICP standard traceable to SRM Tin(II) oxalate for synthesis Titanyl acetylacetonate for synthesis from NIST Tm(NO3)3 in HNO3 2-3% 1000 814-94-8 14024-64-7 8.40128.0050 8.08305.0025 mg/l Tm CertiPUR® 50 g 4760 8.08305.0100 25 g 13960 8.40128.0250 250 g 11070 100 g 40730 1.70361.0100 100 ml 53310 Thymol blue indicator ACS,Reag. Ph Eur Tin(II) sulfate LAB Titrant 2 titrant for volumetric Karl Fischer 76-61-9 5g 4230 7488-55-3 250 g 14400 titration with two component reagents 1 1.08176.0005 25 g 10990 1.12416.0250 1 Kg 36270 1.08176.0025 1.12416.1000 ml «» ca. 2 mg H2O apura® 1.88011.1000 1 l 8810 Thymolphthalein indicator ACS,Reag. Ph Eur TISAB solution for fluoride determination Titrant 5 titrant for volumetric Karl Fischer 125-20-2 5g 4040 1.15368.0500 500 ml 19420 titration with two component reagents 1 1.08175.0005 25 g 10090 1.08175.0025 100 g 35270 TISAB-III solution for fluoride ml «» ca. 5 mg H2O apura® 1.08175.0100 determination 1.88010.0500 500 ml 7040 1.16770.0500 500 ml 48490 1.88010.1000 1 l 8810 Tiglic acid for synthesis Titan yellow (C.I. 19540) indicator Reag. 1.88010.2500 2.5 l 19330 Ph Eur 80-59-1 25 g 8810 Titriplex® I GR for analysis (nitrilotriacetic 8.41511.0025 100 g 21940 1829-00-1 acid) 8.41511.0100 1.01307.0025 25 g 6470 139-13-9 Tin fine powder pure (particle size < 71 µm) 1.08416.0250 250 g 14300 Titanium fine powder 98+ 7440-31-5 1.07807.0250 250 g 10700 7440-32-6 250 g 40420 Titriplex® II GR for analysis 1.07807.1000 1 Kg 26730 1.12379.0250 (ethylenedinitrilotetraacetic acid) ACS,Reag. Ph Eur Tin foil about 0.04 mm thick Titanium hydride fine powder 98+ 60-00-4 7440-31-5 1 ST 3170 7704-98-5 100 g 21710 1.08417.0100 100 g 4160 1.07826.0001 1.12384.0100 1.08417.0250 250 g 8310 1.08417.1000 27690 Tin granulated for analysis (particle size Titanium ICP standard traceable to SRM 1.08417.5000 1 Kg 107980 about 4 mm) EMSURE® Reag. Ph Eur 5 Kg from NIST (NH4)2TiF6 ub H2O 1000 mg/l 7440-31-5 Ti CertiPUR® Titriplex® III GR for analysis 1.07806.0250 (ethylenedinitrilotetraacetic acid, disodium 1.07806.1000 250 g 14270 1.70363.0100 100 ml 16540 salt dihydrate) ACS,ISO,Reag. Ph Eur 1 Kg 35660 Titanium standard 1000 mg Ti, (NH4)2TiF6 Tin ICP standard traceable to SRM from in H2O Titrisol® 6381-92-6 1.08418.0100 NIST SnCl4 in HCl 7% 1000 mg/l Sn 1.09829.0001 1 ST 10020 1.08418.0250 100 g 3880 1.08418.1000 250 g 7760 CertiPUR® Titanium standard solution traceable to 1.08418.5000 25850 1 Kg 100810 1.70362.0100 100 ml 16540 SRM from NIST (NH4)2TiF6 in H2O 1000 5 Kg Tin standard solution traceable to SRM mg/l Ti CertiPUR® from NIST SnCl4 in HCl 2 mol/l 1000 mg/l 1.70243.0100 100 ml 3870 Titriplex® III solution for 1000 ml, c(Na2- Sn CertiPUR® 1.70243.0500 500 ml 5410 EDTA 2 H2O) = 0.01 mol/l Titrisol® 1.70242.0100 100 ml 3870 Titanium(IV) oxide for analysis EMSURE® 1.08446.0001 1 ST 4180 Reag. Ph Eur 1.70242.0500 500 ml 5410 Titriplex® III solution for 1000 ml, c(Na2- Tin(II) chloride dihydrate for analysis 13463-67-7 1 Kg 5400 EDTA 2 H2O) = 0.1 mol/l Titrisol® (max. 0.000001% Hg) EMSURE® 1.00808.1000 1.09992.0001 1 ST 4650 10025-69-1 Titanium(III) chloride solution about 1.07814.0250 250 g 8940 Titriplex® III solution for metal titration 1.07814.2500 2.5 Kg 44680 15% (in about 10% hydrochloric acid) for c(Na2-EDTA · 2 H2O) = 0.1 mol/l TitriPUR® synthesis 1.08431.1000 1 l 5820 Tin(II) chloride dihydrate for analysis 8.08307.0100 100 ml 4800 EMSURE® ACS,ISO,Reag. Ph Eur 1.08431.4000 4 l 20920 8.08307.0500 500 ml 11100 1.08431.9010 10 l 29290 10025-69-1 8.08307.1000 1 l 17610 1.07815.0100 1.07815.0250 100 g 4830 8.08307.2500 C 2.5 l 25460 Titriplex® IV GR for analysis 1.07815.1000 250 g 8050 (1,2-cyclohexylenedinitrilotetraacetic acid 24130 Titanium(III) chloride solution about monohydrate) 1 Kg 30% (in about 10% hydrochloric acid) for Tin(IV) chloride extra pure synthesis 125572-95-4 25 g 12500 1.08424.0025 100 g 34340 7646-78-8 8.08308.0100 100 ml 7220 1.08424.0100 1.07810.0500 500 ml 18750 8.08308.0500 500 ml 16230 Tin(IV) oxide extra pure Titanium(IV) bis(acetylacetonate) Titriplex® IV solution for metal titration c 18282-10-5 diisopropoxide (75% solution in (DCTA Na2) = 0.1 mol/l TitriPUR® 1.07818.0250 1.07818.1000 250 g 7520 2-propanol) for synthesis 1.08447.1000 1 l 19200 1.07818.5000 1 Kg 18790 5 Kg 73240 8.43742.0100 100 ml 6290 Titriplex® solution A for the determination 16820 8.43742.0500 500 ml of alkaline earth in water (hardness), 1 ml Tin(II) chloride anhydrous for synthesis Titanium(IV) chloride for synthesis = 56 mg CaO/l («» 5.6 German degrees of 7772-99-8 7550-45-0 hardness) using 100 ml of water for 1000 8.18150.0100 8.12382.0100 S 8.18150.0500 100 g 7970 100 ml 5060 ml, Titrisol® 500 g 17610 8.12382.1000 S 1l 16250 1.09894.0001 1 ST 5370 184 MERCKgroup.com For enquiries write to [email protected]

Product Order Pack Unit Price Product Order Pack Unit Price Product Order Pack Unit Price No. ` No. ` No. ` Titriplex® solution A for the determination Toluene for gas chromatography MS o-Toluidine for synthesis SupraSolv® of alkaline earth metals in water 1 ml «» 95-53-4 8.08312.0100 56 mg CaO/l using 100 ml of water 108-88-3 8.08312.0500 100 ml 4280 1.00849.1000 8.08312.1000 500 ml 4450 1.08419.1000 1 l 6700 1.00849.2500 1l 9520 8.08312.2500 5420 Laboratory Reagents & Chemicals 2.5 l 19850 1l 10350 Titriplex® solution B for the determination 2.5 l Toluene 4-sulfonic acid silver salt for C of alkaline earth in water (hardness), 1 ml synthesis = 10 mg CaO/l («» 1 German degrees of p-Toluidine for synthesis hardness) using 100 ml of water for 1000 16836-95-6 10 g 11340 106-49-0 8.18000.0010 25 g 22160 8.08315.0005 ml Titrisol® 8.18000.0025 8.08315.0250 5g 3160 250 g 5690 1.09895.0001 1 ST 4960 Titriplex® solution B for the determination Toluene-4-sulfonic acid monohydrate for o-Toluidine GR for analysis analysis EMSURE® ACS of alkaline earth metals in water 1 ml «» 95-53-4 1.08310.1000 10 mg CaO/l using 100 ml of water apura® 6192-52-5 100 g 3930 1l 26770 1.09613.0100 500 g 10250 1.08420.1000 1 l 6200 1.09613.0500 o-Toluidine GR for analysis 1.08420.5000 5 l 24730 95-53-4 1.08310.0250 1.08420.9010 10 l 31150 Toluene-4-sulfonic acid monohydrate for 250 ml 8250 synthesis Titriplex® V GR for analysis (diethylenetriaminepentaacetic acid) 6192-52-5 5 Kg 38490 p-Toluidinium chloride for synthesis 8.14725.5000 67-43-6 540-23-8 1.08426.0100 100 g 12260 Toluene-D8 deuteration degree min. 99.5% 8.21122.0250 250 g 13270 for NMR spectroscopy MagniSolv(TM)** Titriplex® VI GR for analysis m-Tolunitrile for synthesis 2037-26-5 67-42-5 1 Kg 300810 1.13368.0010 SB 10 ml 14500 620-22-4 50 ml 12650 1.08435.1000 8.08268.0050 250 ml 38080 8.08268.0250 Titriplex® VI GR for analysis 4-Toluenesulfonamide for synthesis 67-42-5 70-55-3 100 g 4280 o-Tolunitrile for synthesis 1.08435.0100 8.08230.0100 1 Kg 10030 100 g 45140 8.08230.1000 529-19-1 250 ml 8080 8.08273.0250 1l 19670 Titriplex® VI GR for analysis Toluene-4-sulfonic acid monohydrate for 8.08273.1000 synthesis 67-42-5 25 g 30080 p-Tolunitrile for synthesis 1.08435.0025 6192-52-5 8.14725.0100 TOC standard solution acc. to EN 1484- 8.14725.1000 100 g 3620 104-85-8 50 ml 3700 1 Kg 10330 8.08274.0050 250 ml 11290 H3/DIN 38409-H3 as potassium hydrogen 8.08274.0250 phthalate in water, stabilized 1000 mg/l Toluene-4-sulfonic acid sodium salt for synthesis CertiPUR® Toluene for organic trace analysis UniSolv® 1.09017.0100 100 ml 14280 657-84-1 108-88-3 8.21125.0005 1.08388.2500 GB Toluene dried (max. 0.005% H2O) 8.21125.0250 5g 3520 2.5 l 21650 SeccoSolv® 250 g 11760 (2S,3S)-(+)-Di-O-4-toluoyl-D-tartaric acid 108-88-3 4-Toluenesulfonohydrazide for synthesis for synthesis 1.08326.0161 1.08326.0500 SB 150 ml 7600 1576-35-8 50 g 10730 32634-68-7 25 g 11400 1.08326.1001 GB 500 ml 7780 8.00767.0050 250 g 25270 8.18724.0025 SB 15390 8.00767.0250 1l 2-(4-Toluoyl)benzoic acid for synthesis Toluene for gas chromatography ECD and 4-Toluenesulfonyl chloride Msynth®plus 85-55-2 FID SupraSolv® 8.42258.0025 98-59-9 250 g 6110 25 g 7390 8.45136.0250 1 Kg 14660 108-88-3 2.5 l 19850 8.45136.1000 (2R,3R)-(-)-Di-O-4-toluoyl-L-tartaric acid 1.08389.2500 GB for synthesis Toluene for analysis EMSURE® 4-Toluenesulfonyl chloride for synthesis 32634-66-5 ACS,ISO,Reag. Ph Eur 8.18725.0025 98-59-9 250 g 4280 8.18725.0100 25 g 11400 108-88-3 GB 1l 7260 8.08326.0250 1 Kg 10260 100 g 32910 1.08325.1000 GB 2.5 l 17450 8.08326.1000 1.08325.2500 PE 2.5 l 15890 1.08325.2511 4-Toluenesulfonylmethyl isocyanide for p-Toluylacetonitrile for synthesis synthesis 2947-61-7 25 ml 8870 Toluene for liquid chromatography 36635-61-7 8.21132.0025 LiChrosolv® 8.18074.0010 10 g 12020 Toluylene diisocyanate (mixture of isomeres) for synthesis 108-88-3 p-Toluidine GR for analysis 1.08327.1000 GB 1l 12120 1.08327.2500 GB 2.5 l 25260 106-49-0 50 g 37210 26471-62-5 100 ml 3920 1.08327.4000 PE 40410 1.10841.0050 8.08264.0100 500 ml 9990 4l 8.08264.0500 m-Toluidine for synthesis Toluene for spectroscopy Uvasol® 108-44-1 o-Tolylacetic acid for synthesis 8.08314.0100 108-88-3 1l 15590 8.08314.1000 100 ml 4280 644-36-0 5g 6180 1.08331.1000 GB 1l 9700 8.41360.0005 S : The items can be transported only by Sea Freight AL : Aluminium PE : Polyethylene 185 C : The items can be transported by Air Cargo GA : Glass Ampoule SB: Septum Bottle B : The items can be supplied against end user order copy only GB : Glass Bottle ** : PO & EUD Required

Part 2 Advanced Analytics Product Order Pack Unit Price Product Order Pack Unit Price Product Order Pack Unit Price No. ` No. ` No. ` o-Tolylhydrazine hydrochloride for Tributylamine for synthesis 1,2,4-Trichlorobenzene for synthesis synthesis 102-82-9 120-82-1 635-26-7 5g 12310 8.08358.0100 100 ml 4070 8.21152.0100 100 ml 4070 8.41303.0005 1l 5840 1l 7690 8.08358.1000 10400 8.21152.1000 15400 p-Tolylhydrazine hydrochloride for 2.5 l 2.5 l synthesis 8.08358.2500 8.21152.2500 Tributylhexadecylphosphonium bromide for Trichloro(chloromethyl)silane for synthesis synthesis 637-60-5 5g 5420 1558-25-4 5 ml 7390 8.41305.0005 14937-45-2 8.42025.0005 25 ml 18280 8.18075.0025 (-)-Tri-O-acetyl-D-glucal for synthesis 25 g 10550 8.42025.0025 2873-29-2 Tributylmethylammonium chloride (75% 2,2,2-Trichloroethanol for synthesis 8.18298.0010 10 g 9220 solution in water) for synthesis 115-20-8 8.08610.0100 1,3,5-Triallyl-1,3,5-triazine- 8.14088.0500 500 ml 6460 100 ml 10430 2,4,6(1H,3H,5H)-trione (stabilised) for synthesis Tributylphosphine oxide for synthesis Trichloroethylene for analysis EMSURE® ACS,Reag. Ph Eur 814-29-9 1025-15-6 100 g 9100 8.21145.0005 5g 6280 79-01-6 1l 9170 8.16113.0100 25 g 17590 1.11872.1000 GB 2.5 l 16040 8.21145.0025 1.11872.2500 GB 2,4,5-Triamino-6-hydroxypyrimidine Tributyltin acetate for synthesis sulfate for synthesis Trichloroethylsilane for synthesis 56-36-0 39267-74-8 25 g 5550 8.21650.0050 50 g 11920 115-21-9 25 ml 39120 8.14764.0025 8.21667.0025 Tributyltin chloride for synthesis 2,4,6-Triamino-1,3,5-triazine for synthesis Trichloroisocyanuric acid for synthesis 1461-22-9 108-78-1 100 g 4280 8.08390.0100 100 ml 8550 87-90-1 5g 2890 8.08614.0100 1 Kg 6430 8.08607.0005 250 g 5840 8.08614.1000 Tributyltin hydride for synthesis 16910 8.08607.0250 1 Kg 1,3,5-Triazine-2,4,6(1H,3H,5H)-thrithione 688-73-3 5 ml 4560 for synthesis 8.14109.0005 25 ml 7930 8.08607.1000 100 ml 24860 8.14109.0025 Trichloromethyl chloroformate for synthesis 638-16-4 5g 7090 8.14109.0100 503-38-8 25 ml 23050 8.43815.0005 25 g 25090 8.18154.0025 S 100 ml 63340 8.43815.0025 Trichloroacetic acid for analysis EMSURE® ACS,Reag. Ph Eur 8.18154.0100 S 1,2,4-Triazole for synthesis 76-03-9 Trichloromethylsilane for synthesis 1.00807.0100 288-88-0 25 g 5470 100 g 3820 75-79-6 250 ml 3840 8.08388.0025 100 g 14890 1.00807.0250 250 g 4740 8.08255.0250 1l 8490 8.08388.0100 10550 1.00807.1000 1 Kg 8.08255.1000 1,1,2,4-Triazole sodium salt for synthesis Trichloroacetic acid for synthesis Trichlorooctadecylsilane for synthesis 41253-21-8 25 g 8810 76-03-9 250 g 4530 112-04-9 100 ml 11570 8.14650.0025 8.22342.0250 1 Kg 10030 8.22170.0100 Tribenzylamine for synthesis 8.22342.1000 2,4,6-Trichlorophenol for synthesis 620-40-6 250 g 9990 Trichloroacetonitrile for synthesis 88-06-2 100 g 4280 8.22163.0250 8.18469.0100 1 Kg 10410 545-06-2 2,4,6-Tribromoaniline for synthesis 8.08222.0050 S 50 ml 9420 8.18469.1000 250 ml 28560 147-82-0 8.08222.0250 S Trichlorophenylsilane for synthesis 8.22164.0100 8.22164.0500 100 g 10580 Trichloroacetyl chloride for synthesis 98-13-5 25 ml 3770 500 g 47560 8.07328.0025 250 ml 21750 1,3,5-Tribromobenzene for synthesis 76-02-8 8.07328.0250 8.08391.0100 S 626-39-1 100 ml 8290 2,4,6-Trichloropyrimidine for synthesis 8.41306.0025 8.08391.0250 S 250 ml 14920 25 g 16190 3764-01-0 Trichloroacetyl isocyanate for synthesis 8.16121.0010 10 ml 10550 Tributyl citrate for synthesis 3019-71-4 2,4,6-Trichlororaniline for synthesis 77-94-1 8.08613.0005 5 ml 10310 8.20350.0100 100 ml 3970 634-93-5 8.20350.1000 1l 13330 2,4,5-Trichloroaniline for synthesis 8.21151.0005 5g 4740 250 g 14920 Tributyl phosphate for synthesis 636-30-6 8.21151.0250 8.21149.0005 126-73-8 100 ml 4210 5g 3280 n-Tricosane for synthesis 8.18604.0100 500 ml 4960 8.21149.0250 250 g 8290 8.18604.0500 7200 638-67-5 8.18604.1000 1l 16410 2,3,5-Trichlorobenzaldehyde for synthesis 8.41364.0005 5g 13270 8.18604.2500 2.5 l 56961-75-2 1 g 7200 n-Tridecane for synthesis 8.41271.0001 629-50-5 Tributylacetyl citrate for synthesis 1,2,3-Trichlorobenzene for synthesis 8.14631.0025 25 ml 6490 77-90-7 87-61-6 Tridecanedioic acid for synthesis 8.14437.0100 8.08285.0100 8.14437.1000 100 ml 3520 100 g 3430 505-52-2 50 g 6540 1l 9280 8.08285.1000 1 Kg 5900 8.14475.0050 186 MERCKgroup.com For enquiries write to [email protected]

Product Order Pack Unit Price Product Order Pack Unit Price Product Order Pack Unit Price No. ` No. ` No. ` 2-Tridecanone for synthesis Triethylamine for synthesis Trifluoroacetic acid for spectroscopy Uvasol® 593-08-8 50 g 8740 121-44-8 100 ml 3770 76-05-1 GB 25 ml 8290 Laboratory Reagents & Chemicals 8.08633.0050 250 g 29910 8.08352.0100 500 ml 4450 1.08262.0025 GB 100 ml 26810 8.08633.0250 8.08352.0500 5980 1.08262.0100 GB 233980 8.08352.1000 1l 8290 1.08262.1000 GB 1l 487450 1-Tridecene for synthesis 8.08352.2500 C 2.5 l 1.08262.2500 2.5 l 2437-56-1 10 ml 10680 Triethylamine trishydrofluoride for Trifluoroacetic acid for synthesis 8.41449.0010 synthesis Tridodecylamine for synthesis 73602-61-6 76-05-1 25 ml 2580 8.14371.0002 8.08260.0025 100 ml 9140 102-87-4 250 ml 10950 8.14371.0010 2 ml 2930 8.08260.0100 500 ml 46500 8.21160.0250 10 ml 6290 8.08260.0500 79700 8.08260.1000 1l 166030 Triethoxymethylsilane for synthesis Triethylammonium chloride for synthesis 8.08260.2500 C 2.5 l 2031-67-6 250 ml 9600 554-68-7 5g 3280 Trifluoroacetic acid-D1 deuteration 8.18819.0250 8.21135.0005 250 g 6490 degree min. 99.5% for NMR spectroscopy 8.21135.0250 17830 MagniSolv(TM)** Triethoxyoctylsilane for synthesis 8.21135.1000 1 Kg 2943-75-1 100 ml 4910 Triethylene glycol dimethyl ether 599-00-8 10 ml 10760 8.14414.0100 (stabilised) for synthesis 1.13363.0010 GA 3-(Triethoxysilyl)propylamine for synthesis Trifluoroacetic anhydride Msynth®plus 919-30-2 50 ml 4020 112-49-2 250 ml 5180 407-25-0 100 ml 25400 8.21619.0050 100 ml 6850 8.08249.0250 8.45060.0100 500 ml 82520 8.21619.0100 500 ml 21410 8.45060.0500 8.21619.0500 Triethylene glycol for synthesis Triethoxyvinylsilane for synthesis 112-27-6 1l 4870 Trifluoroacetic anhydride for synthesis 8.08245.1000 2.5 l 9840 78-08-0 100 ml 4410 8.08245.2500 407-25-0 25 ml 6490 8.08276.0100 500 ml 14400 8.08261.0025 100 ml 17770 8.08276.0500 Triethylene glycol monomethyl ether for 8.08261.0100 500 ml 57730 synthesis 8.08261.0500 Triethyl borate for synthesis 112-35-6 1,1,1-Trifluoroacetone for synthesis 8.14587.0250 150-46-9 100 ml 6610 8.14587.1000 250 ml 4960 421-50-1 10 ml 7930 8.14772.0100 500 ml 23810 1l 11060 8.14521.0010 8.14772.0500 Triethyl citrate for synthesis Triethylenetetramine (mixture of isomers) alpha,alpha,alpha-Trifluoroacetophenone for synthesis for synthesis 77-93-0 8.00251.0100 100 ml 4280 112-24-3 100 ml 4380 434-45-7 5 ml 5610 8.00251.0500 500 ml 7360 8.14392.0100 500 ml 6850 8.18371.0005 8.14392.0500 3,4,5-Trifluorobenzaldehyde for synthesis Triethyl orthoacetate for synthesis Triethylphosphite for synthesis 132123-54-7 78-39-7 8.14968.0005 5g 28080 8.20934.0050 50 ml 4060 122-52-1 100 ml 4160 8.14968.0025 25 g 66020 8.20934.0100 100 ml 6350 8.00549.0100 500 ml 9140 8.20934.0500 500 ml 19270 8.00549.0500 2,4,5-Trifluorobenzoic acid for synthesis Triethyl orthopropionate for synthesis Triethylsilane Msynth®plus 446-17-3 1 g 9120 8.41632.0001 5 g 33590 115-80-0 50 ml 6230 617-86-7 10 ml 10290 8.41632.0005 8.20935.0050 250 ml 32990 8.45145.0010 50 ml 23660 8.20935.0250 8.45145.0050 2,2,2-Trifluoroethanol for synthesis Triethyl phosphate for synthesis Triethylsilane for synthesis 75-89-8 100 ml 12360 8.08259.0100 1l 34690 78-40-0 100 ml 4070 617-86-7 10 ml 7200 8.08259.1000 8.21141.0100 1l 11560 8.18806.0010 50 ml 16530 8.21141.1000 8.18806.0050 Trifluoromethanesulfonic acid for synthesis Triethyl phosphonoacetate for synthesis 2,2,2-Trifluoroacetamide for synthesis 1493-13-6 25 ml 17720 8.21166.0025 100 ml 48820 867-13-0 100 ml 16460 354-38-1 10 g 4310 8.21166.0100 8.10557.0100 8.14690.0010 50 g 16550 8.14690.0050 Trifluoromethanesulfonic acid in anhydrous Triethyl phosphonoformate for synthesis Trifluoroacetic acid (25% solution in water) acetic acid c (CF3SO3H) = 0.1 mol/l 1474-78-8 for protein sequenation TitriPUR® 8.43410.0010 8.43410.0100 10 ml 5440 1.08218.0050 GB 50 ml 18040 1.08450.1000 1 l 10230 100 ml 11920 Trifluoromethanesulfonic anhydride for Triethylamine Msynth®plus Trifluoroacetic acid for protein sequence synthesis analysis 121-44-8 358-23-6 8.45061.0100 100 ml 5380 76-05-1 50 ml 13460 8.18043.0002 2 ml 5740 8.45061.1000 1l 8550 1.08178.0050 GB 8.18043.0050 50 ml 25690 S : The items can be transported only by Sea Freight AL : Aluminium PE : Polyethylene 187 C : The items can be transported by Air Cargo GA : Glass Ampoule SB: Septum Bottle B : The items can be supplied against end user order copy only GB : Glass Bottle ** : PO & EUD Required

Part 2 Advanced Analytics Product Order Pack Unit Price Product Order Pack Unit Price Product Order Pack Unit Price No. ` No. ` No. ` Trifluoromethanesulfonyl chloride for 4-(Trifluoromethyl)-benzyl alcohol for Triisopropyl borate for synthesis synthesis synthesis 5419-55-6 421-83-0 5 ml 18330 349-95-1 5 ml 16550 8.41264.0050 50 ml 5960 8.18292.0005 25 ml 280940 8.41721.0005 100 ml 6980 8.18292.0025 8.41264.0100 500 ml 19670 3-(Trifluoromethyl)-benzyl chloride for synthesis 8.41264.0500 3-(Trifluoromethoxy)-aniline for synthesis 1,3,5-Triisopropylbenzene for synthesis 1535-73-5 1 ml 13270 705-29-3 10 ml 13050 717-74-8 50 ml 10580 8.41343.0001 5 ml 58230 8.14876.0010 8.41587.0050 8.41343.0005 2,4,6-Triisopropylbenzenesulfonyl chloride 4-(Trifluoromethoxy)-aniline for synthesis 3-(Trifluoromethyl)-benzylamine for synthesis for synthesis 461-82-5 5 ml 10420 2740-83-2 5 ml 14410 6553-96-4 25 g 15280 8.41431.0005 8.14850.0005 8.10591.0025 4-(Trifluoromethoxy)benzaldehyde for 3-(Trifluoromethyl)-N-phenylpiperazine for Triisopropylsilane for synthesis synthesis synthesis 6485-79-6 10 ml 13510 659-28-9 15532-75-9 8.41359.0010 8.14960.0010 8.14832.0005 8.14960.0050 10 ml 12690 5 ml 15740 3’,4’,5’-Trimethoxyacetophenone for 50 ml 41630 synthesis 3,4,5-Trifluorophenol for synthesis 4-(Trifluoromethoxy)-1-fluorobenzene for 1136-86-3 synthesis 99627-05-1 1g 6430 8.21172.0010 10 g 82970 8.14969.0001 10 g 21810 352-67-0 1 ml 9690 8.14969.0010 3,4,5-Trimethoxyaniline for synthesis 8.41175.0001 24313-88-0 4-Trifluoromethoxyphenol for synthesis 3,4,5-Trifluorophenylboronic acid for 8.41091.0005 5 g 6490 synthesis 828-27-3 2,3,4-Trimethoxybenzaldehyde for 8.14967.0001 1 ml 6180 143418-49-9 5g 8590 synthesis 8.14967.0010 10 ml 26810 8.14939.0005 25 g 32520 8.14939.0025 2103-57-3 3’-(Trifluoromethyl)-acetophenone for 8.14027.0010 10 g 4530 synthesis 1,1,1-Trifluoro-2,4-pentanedione for 50 g 24780 synthesis 8.14027.0050 349-76-8 5 ml 10860 367-57-7 10 ml 18910 3,4,5-Trimethoxybenzaldehyde for 8.41157.0005 8.21167.0010 synthesis 4’-(Trifluoromethyl)-acetophenone for 2,3,4-Trihydroxy benzophenone for 86-81-7 25 g 3700 synthesis synthesis 8.21173.0025 100 g 12080 709-63-7 8.21173.0100 8.41487.0005 8.41487.0025 5 ml 21330 1143-72-2 1,2,3-Trimethoxybenzene for synthesis 25 ml 52070 8.42292.0025 8.42292.0100 25 g 10970 634-36-6 4-(Trifluoromethyl)-benzaldehyde for 100 g 106870 8.14125.0025 25 g 6430 synthesis 2’,4’,6’-Trihydroxyacetophenone 1,2,4-Trimethoxybenzene for synthesis monohydrate for synthesis 455-19-6 10 ml 8930 135-77-3 25 ml 9700 8.14045.0010 50 ml 32030 480-66-0 8.21174.0025 8.14045.0050 8.41389.0005 5g 7660 1,3,5-Trimethoxybenzene for synthesis 3-(Trifluoromethyl)-benzoic acid for 1,2,4-Trihydroxybenzene for synthesis 621-23-8 10 g 7600 synthesis 8.41357.0010 50 g 23560 454-92-2 533-73-3 5g 17390 8.41357.0050 8.14806.0005 8.43791.0005 25 g 77040 5g 9640 8.43791.0025 3,4,5-Trimethoxybenzoic acid for synthesis 4-(Trifluoromethyl)-benzoic acid for 2,3,5-Triiodobenzoic acid for synthesis 118-41-2 100 g 4530 synthesis 8.08638.0100 250 g 9990 455-24-3 88-82-4 8.08638.0250 8.41184.0001 8.41852.0005 1g 6640 5 g 6180 Trimethoxymethylsilane for synthesis 3-(Trifluoromethyl)-benzonitrile for Triisobutyl phosphate for synthesis 1185-55-3 250 ml 7380 synthesis 8.14178.0250 126-71-6 368-77-4 25 ml 10680 8.18606.0100 100 ml 3390 3,4,5-Trimethoxyphenyl acetic acid for 8.18588.0025 8.18606.0500 500 ml 5560 synthesis 4-(Trifluoromethyl)-benzonitrile for Triisooctylamine for synthesis 951-82-6 5 g 5390 synthesis 8.14336.0005 455-18-5 25549-16-0 100 ml 9950 Trimethoxyphenylsilane for synthesis 8.18680.0025 8.43805.0100 500 ml 16350 25 g 23300 8.43805.0500 2996-92-1 8.43658.0050 4-(Trifluoromethyl)benzoyl chloride for 50 ml 11140 synthesis Triisopropyl borate Msynth®plus 3-(Trimethoxysilyl)-1-propanethiol for synthesis 329-15-7 5419-55-6 8.41805.0001 1 ml 12650 8.45150.0100 100 ml 9980 4420-74-0 100 ml 10880 8.41805.0005 5 ml 24030 8.45150.0500 500 ml 28060 8.18818.0100 188 MERCKgroup.com For enquiries write to [email protected]

Product Order Pack Unit Price Product Order Pack Unit Price Product Order Pack Unit Price No. ` No. ` No. ` 3-(Trimethoxysilyl)-propylamine for 2,4,6-Trimethylbenzaldehyde for synthesis Trimethylsilyl trifluoromethanesulfonate for synthesis synthesis 487-68-3 13822-56-5 8.22175.0010 10 ml 13010 27607-77-8 8.18550.0250 8.18129.0010 250 ml 15730 1,2,4-Trimethylbenzene for synthesis 10 ml 5450 Laboratory Reagents & Chemicals 8.18129.0100 100 ml 35450 Trimethoxyvinylsilane for synthesis 95-63-6 8.14505.0100 100 ml 4070 2768-02-7 100 ml 9840 8.14505.0500 500 ml 6970 N-(Trimethylsilyl)acetamide for synthesis 8.41268.0100 2,4,6-Trimethylbenzoic acid for synthesis 13435-12-6 2,6,6-Trimethyl-2-cyclohexene-1,4-dione 8.18403.0025 25 g 7530 for synthesis 480-63-7 10 g 10680 100 g 20390 8.21179.0010 8.18403.0100 1125-21-9 25 ml 4240 3,7,7-Trimethylbicyclo(4.1.0)hept-3-ene 2-(Trimethylsilyl)-ethanol for synthesis 8.14493.0025 for synthesis 2916-68-9 Trimethyl borate for synthesis 13466-78-9 8.41221.0005 5 ml 17520 8.43853.0025 121-43-7 250 ml 5690 25 ml 2780 N-(Trimethylsilyl)imidazole for synthesis 8.21180.0250 1l 16530 3,3,5-Trimethylcyclohexanol (mixture of 18156-74-6 25 ml 9930 8.21180.1000 cis- and trans- isomers) for synthesis 8.18204.0025 100 ml 32870 Trimethyl orthoacetate for synthesis 116-02-9 8.18204.0100 8.14442.0005 1445-45-0 100 ml 9580 8.14442.0250 5 ml 2890 3-(Trimethylsilyl)propionic acid-D4 sodium 8.18804.0100 500 ml 39410 250 ml 4530 salt deuteration degree min. 98% for NMR spectroscopy MagniSolv(TM) 8.18804.0500 3,3,5-Trimethylcyclohexanone for synthesis Trimethyl orthoformate for synthesis 873-94-9 5 ml 2890 24493-21-8 1 g 18840 8.14298.0005 250 ml 4190 1.08652.0001 149-73-5 8.14298.0250 8.00885.0250 250 ml 4800 Trimethylsilylacetylene for synthesis 1l 11360 1,3-Trimethylene oxide for synthesis 8.00885.1000 1066-54-2 8.14226.0005 Trimethyl phosphate for synthesis 503-30-0 5 ml 12080 5 ml 13300 8.20937.0005 8.14226.0025 25 ml 34300 512-56-1 8.21184.0100 100 ml 3520 Trimethyl(methylcyclopentadienyl) Trimethylsulfonium iodide for synthesis 500 ml 7930 platinium(IV) for synthesis 8.21184.0500 2.5 l 31290 94442-22-5 1 g 47780 2181-42-2 25 g 5470 8.21184.2500 8.43844.0001 8.18119.0025 Trimethyl phosphite for synthesis Trimethyloxonium tetrafluoroborate for Trimethylsulfoxoniumiodide for synthesis synthesis 121-45-9 100 ml 3970 1774-47-6 8.00553.0100 500 ml 15130 420-37-1 10 g 15640 8.10165.0100 100 g 9360 8.41638.0010 C 8.00553.0500 Trimethyl 1,2,3-propanetricarboxylate for 2,4,4-Trimethylpentene (mixture of Trimethyltin chloride for synthesis synthesis isomers) for synthesis 1066-45-1 5g 10550 6138-26-7 25167-70-8 8.08729.0005 8.18253.0010 8.14734.0100 10 ml 6110 8.14734.1000 100 ml 3430 Trimethylvinylsilane for synthesis 1l 11790 2,2,6-Trimethyl-1,3-dioxine-4-one for 754-05-2 synthesis 2,3,5-Trimethylphenol for synthesis 8.14510.0010 10 ml 9910 5394-63-8 100 ml 10420 697-82-5 50 g 8930 1,3,3-Trimethyl-2-methyleneindoline for 8.14170.0100 8.41575.0050 synthesis 2’,4’,6’-Trimethylacetophenone for 2,4,6-Trimethylpyridine for synthesis 118-12-7 synthesis 8.21182.0250 108-75-8 50 ml 5470 250 ml 9360 8.22267.0050 250 ml 21280 1667-01-2 25 ml 10260 8.22267.0250 71870 Trioctylamine Msynth®plus 8.41063.0025 8.22267.1000 1l 1116-76-3 Trimethylamine (40% solution in water) for 2-(Trimethylsiloxy)-1,3-butadiene for 8.45064.0100 100 ml 8800 synthesis 500 ml 32900 synthesis 8.45064.0500 8.21177.0100 100 ml 4280 38053-91-7 Trioctylamine for synthesis 8.14551.0010 8.21177.1000 C 1 l 5200 8.14551.0050 10 ml 8600 1116-76-3 50 ml 24220 8.08649.0010 8.21177.2500 S 2.5 l 8650 10 ml 4700 8.08649.0100 100 ml 6160 Trimethylammonium chloride for synthesis Trimethylsilyl azide for synthesis 500 ml 23070 8.08649.0500 593-81-7 4648-54-8 25 ml 16010 8.21178.0005 5g 3940 8.18026.0025 Trioctylphosphinoxide for synthesis 250 g 14950 8.21178.0250 Trimethylsilyl bromoacetate for synthesis 78-50-2 8.14868.0025 2,4,6-Trimethylaniline for synthesis 18291-80-0 25 g 9220 8.41341.0025 8.14868.0100 100 g 26310 88-05-1 25 ml 25270 8.08606.0100 100 ml 6790 Trimethylsilyl cyanide for synthesis 1,3,5-Trioxane for synthesis 4,6,8-Trimethylazulene for synthesis 7677-24-9 110-88-3 8.18171.0010 8.21189.0100 941-81-1 1 g 10360 8.18171.0050 10 ml 11070 100 g 3730 8.14544.0001 50 ml 42650 8.21189.1000 1 Kg 10720 S : The items can be transported only by Sea Freight AL : Aluminium PE : Polyethylene 189 C : The items can be transported by Air Cargo GA : Glass Ampoule SB: Septum Bottle B : The items can be supplied against end user order copy only GB : Glass Bottle ** : PO & EUD Required

Part 2 Advanced Analytics Product Order Pack Unit Price Product Order Pack Unit Price Product Order Pack Unit Price No. ` No. ` No. ` Triphenyl phosphate for synthesis 2,4,6-Triphenylpyrylium tetrafluoroborate Tritolyl phosphate for synthesis for synthesis 115-86-6 78-32-0 8.21197.0100 100 g 4720 448-61-3 5 g 9170 8.14811.0250 250 ml 7780 8.21197.1000 1 Kg 7530 8.18238.0005 8.14811.1000 1l 17470 Triphenyl phosphite for synthesis Triphenylsilane for synthesis Tri(o-tolyl)-phosphine for synthesis 101-02-0 100 ml 4550 789-25-3 25 g 12960 6163-58-2 1g 5960 8.00551.0100 1l 7200 8.18458.0025 8.41817.0001 10 g 30120 8.00551.1000 8.41817.0010 Triphenylsilanol for synthesis 2,2,2-Triphenylacetophenone for synthesis 791-31-1 Triton® X-100 for analysis 8.18406.0025 466-37-5 25 g 7800 9036-19-5 8.21190.0005 1.08603.1000 8.21190.0025 5g 5780 Triphenyltin chloride for synthesis 1.08603.2500 1l 15180 25 g 23300 2.5 l 30080 639-58-7 Triphenylamine for synthesis 8.08395.0100 100 g 8550 603-34-9 Triphenyltin hydride for synthesis Tritylium tetrafluoroborate for synthesis 8.18386.0010 10 g 7350 892-20-6 341-02-6 8.41536.0005 8.41391.0010 Triphenylantimony for synthesis 5 ml 16360 10 g 13890 603-36-1 100 g 11580 Tripropylamine for synthesis DL-Tropic acid for synthesis 8.21199.0100 102-69-2 529-64-6 Triphenylarsine for synthesis 8.21201.0250 250 ml 4800 8.08384.0025 25 g 9300 8.21201.1000 1l 15080 603-32-7 5g 4420 Tropine for synthesis 8.08653.0005 25 g 13470 Tripropyltin chloride for synthesis 120-29-6 8.08653.0025 8.08385.0025 2279-76-7 25 g 13950 Triphenylethylene for synthesis 8.08735.0005 5 ml 23030 Tropinone for synthesis 532-24-1 58-72-0 25 g 11400 Tris(hydroxymethyl)aminomethane 8.41284.0005 5g 9170 8.18690.0025 volumetric standard, secondary reference material for acidimetry, traceable to Triphenylmethane for synthesis NIST Standard Reference Material (SRM) CertiPUR® 519-73-3 50 g 7350 Tropolone Msynth®plus 8.21195.0050 250 g 30580 77-86-1 5g 28060 8.21195.0250 1.02408.0080 533-75-5 25 g 77920 8.45130.0005 Triphenylmethanol for synthesis 80 g 17800 8.45130.0025 76-84-6 50 g 11450 Tris[2-(2-methoxyethoxy)ethyl]amine for Tropolone for synthesis 8.21196.0050 250 g 26310 synthesis 8.21196.0250 533-75-5 70384-51-9 8.14378.0001 1g 6050 4-(Triphenylmethyl)aniline for synthesis 8.18373.0025 25 ml 7350 8.14378.0005 5g 19670 8.18373.0100 100 ml 21460 22948-06-7 8.18045.0010 10 g 14380 2,4,6-Tris(allyloxy)-1,3,5-triazine Tryptamine for synthesis (stabilised) for synthesis Triphenylphosphine copper(I) hydride 61-54-1 10 g 6430 hexamer for synthesis 101-37-1 8.18445.0010 8.20359.0006 33636-93-0 1 g 14610 8.20359.0250 5g 2990 (S)-(-)-Tryptophan for synthesis 8.43838.0001 5 g 47330 250 g 7200 8.43838.0005 73-22-3 Tris(2-ethylhexyl) phosphate for synthesis 8.16017.0025 25 g 4800 8.16017.0100 100 g 17090 Triphenylphosphine for synthesis 78-42-2 8.21202.0100 100 ml 3730 603-35-0 5g 3730 8.21202.1000 1l 12310 Tungsten fine powder 99+ 8.08270.0005 250 g 8550 8.08270.0250 21030 1,3,5-Tris(2-hydroxyethyl)cyanuric acid for 7440-33-7 100 g 21350 8.08270.1000 1 Kg synthesis 1.12406.0100 Triphenylphosphine oxide for synthesis 839-90-7 Tungsten ICP standard traceable to SRM 8.08608.0250 791-28-6 250 g 14170 from NIST (NH4)2WO4 in H2O 1000 mg/l 8.21198.0050 8.21198.0250 50 g 10950 Tris(trimethylsilyl)silane for synthesis W CertiPUR® 250 g 34380 1873-77-4 1.70364.0100 100 ml 26490 8.43779.0005 Triphenylphosphine selenide for synthesis 5 ml 25410 Tungsten standard solution traceable to 3878-44-2 50 g 16670 Tris(triphenylphosphine)rhodium(I) SRM from NIST (NH4)2WO4 in H2O 1000 8.18054.0050 chloride (11% Rh) for synthesis mg/l W CertiPUR® Triphenylphosphine sulfide for synthesis 14694-95-2 1.70244.0100 100 ml 4960 8.08265.0001 3878-45-3 1 g 13670 1.70244.0500 500 ml 8660 8.41711.0025 25 g 24160 Tris(triphenylphosphine)ruthenium(II) Tungstophosphoric acid hydrate cryst. chloride (10.5% Ru) for synthesis extra pure Triphenylphosphonium bromide for synthesis 15529-49-4 12501-23-4 8.18120.0001 1.00582.0100 6399-81-1 8.18120.0005 1 g 7160 1.00582.1000 100 g 11310 8.14386.0025 5 g 26710 25 g 10530 1 Kg 105150 190 MERCKgroup.com For enquiries write to [email protected]

Product Order Pack Unit Price Product Order Pack Unit Price Product Order Pack Unit Price No. ` No. ` No. ` Tungstophosphoric acid hydrate for 2-Undecanone for synthesis UV-VIS Standard 1: Potassium dichromate analysis EMSURE® 112-12-9 solution for absorbance according to Ph Eur 8.08469.0100 12501-23-4 100 ml 5040 1.08160.0001 1 Unit 35220 1.00583.0100 8.08469.0500 500 ml 21500 100 g 12240 UV-VIS Standard 1a: Potassium Laboratory Reagents & Chemicals 1.00583.0250 250 g 24460 Undecanoyl chloride Msynth®plus dichromate solution (600 mg/l) for the Tungstosilicic acid hydrate for analysis 17746-05-3 absorbance at 430 nm according to EMSURE® 8.45139.0010 10 ml 3060 DAB,Ph Eur 8.45139.0025 25 ml 5710 12027-43-9 1.04660.0001 1 Unit 35220 1.00659.0025 25 g 5660 1-Undecenoyl chloride for synthesis UV-VIS Standard 2: Sodium nitrite solution 1.00659.0100 100 g 13310 38460-95-6 for stray light testing according to Ph Eur 8.14914.0100 Tween® 20 for synthesis 100 ml 11570 1.08161.0001 1 Unit 35220 9005-64-5 UV-VIS Standard 3: Sodium iodide solution 8.22184.0500 500 ml 8900 Undecylenic-10 acid for synthesis for stray light testing according to Ph Eur 8.22184.1000 1l 13440 23810 112-38-9 1.08163.0001 1 Unit 35220 8.22184.2500 2.5 l 8.00813.0500 500 ml 6430 UV-VIS Standard 4: Potassium chloride Tween® 40 for synthesis Undecylenic-10 acid for synthesis solution for stray light testing according to 9005-66-7 112-38-9 Ph Eur 8.22185.0500 8.00813.5000 500 ml 9070 5l 53820 1.08164.0001 1 Unit 35220 8.22185.1000 1l 13170 Uranium ICP standard traceable to SRM UV-VIS Standard 5: Toluene solution in Tween® 60 for synthesis from NIST UO2(NO3)2 in HNO3 2-3% 10 n-hexane for testing of the resolution 9005-67-8 mg/l U CertiPUR® power acc. to Ph Eur 8.22186.0500 500 ml 8550 1.70360.0100 100 ml 29330 1.08165.0001 1 Unit 42250 8.22186.1000 1l 13630 Uranine AP (C.I. 45350) concentrated for UV-VIS Standard 6: holmium oxide the examination of subterranean waters solution reference material for the Tween® 80 for synthesis wavelength according to DAB,Ph Eur 9005-65-6 518-47-8 1.08166.0001 C 1 Unit 70420 8.22187.0500 1.08462.0100 500 ml 8900 100 g 5300 (S)-(+)-Valine for synthesis 8.22187.1000 1l 14020 1.08462.1000 1 Kg 36290 23810 72-18-4 8.22187.2500 2.5 l Urea for synthesis 8.16006.0025 25 g 2890 8.16006.0100 100 g 10950 Tween® 85 for synthesis 57-13-6 8.18710.1000 9005-70-3 1 Kg 3430 Vanadate-molybdate reagent for 8.22188.0500 500 ml 8320 determination of phosphate (S)-(-)-Tyrosine for synthesis 1.08498.0500 500 ml 4420 60-18-4 CertiPUR® UV-VIS Vanadium ICP standard traceable to SRM 8.16021.0025 Standards 25 g 3500 from NIST NH4VO3 in HNO3 15% 10000 8.16021.0100 100 g 7800 Comprehensive range covering all applications. mg/l V CertiPUR® Acc to Ph Eur & DAB . Undecanal (stabilised) for synthesis Traced back to SRM from NIST. 1.70388.0100 C 100 ml 33060 Certificate of analysis enclosed in pack. 112-44-7 Vanadium ICP standard traceable to SRM 8.41015.0025 25 ml 5960 from NIST NH4VO3 in HNO3 2-3% 1000 n-Undecane for analysis EMSURE® mg/l V CertiPUR® 1.70366.0100 100 ml 16540 1120-21-4 100 ml 10300 Vanadium powder 99+ 1.09795.0100 7440-62-2 1.12392.0010 n-Undecane for synthesis 10 g 32990 1120-21-4 50 ml 7290 Vanadium standard 1000 mg V, (VOSO4 in 8.18629.0050 100 ml 11110 500 ml 30840 8.6% H2SO4) Titrisol® 8.18629.0100 1.09994.0001 1 ST 6280 8.18629.0500 Undecanoic acid for synthesis Vanadium standard solution traceable to 112-37-8 SRM from NIST NH4VO3 in HNO3 0.5 mol/l 8.18568.0101 100 ml 10710 1000 mg/l V CertiPUR® 8.18568.1000 1 Kg 36520 1.70245.0100 100 ml 3870 1-Undecanol for synthesis Vanadium standard solution traceable to SRM from NIST NH4VO3 in HNO3 0.5 mol/l 112-42-5 100 ml 6350 1000 mg/l V CertiPUR® 8.08468.0100 1.70245.0500 500 ml 5410 2-Undecanol for synthesis Vanadium(V) oxide extra pure 1653-30-1 10 ml 3830 1314-62-1 250 g 32360 8.18575.0010 50 ml 12650 1.00824.0250 1 Kg 80910 1.00824.1000 8.18575.0050 S : The items can be transported only by Sea Freight AL : Aluminium PE : Polyethylene 191 C : The items can be transported by Air Cargo GA : Glass Ampoule SB: Septum Bottle B : The items can be supplied against end user order copy only GB : Glass Bottle ** : PO & EUD Required

Part 2 Advanced Analytics Product Order Pack Unit Price Product Order Pack Unit Price Product Order Pack Unit Price No. ` No. ` No. ` Vanadium(III) chloride 99+ Water for Analysis EMSURE® Xanthone for synthesis 7718-98-1 1.16754.4000 4l 6910 90-47-1 1.12393.0025 5910 8.08669.0025 25 g 12310 1.16754.5000 5l 8.08669.0100 25 g 5170 100 g 16360 Vanadium(IV) oxide acetylacetonate for Water for inorganic trace analysis synthesis Tracepur® Xenon difluoride for synthesis 3153-26-2 100 g 14530 7732-18-5 5l 54840 13709-36-9 1g 21530 8.08505.0100 1.00473.5000 8.18888.0001 5g 79290 8.18888.0005 Vanillic acid for synthesis Water for on-line analysis 121-34-6 7732-18-5 5l 4460 Xylene for analysis EMSURE® 8.41025.0050 1.01051.5000 50 g 12810 ACS,ISO,Reag.Ph Eur Water for headspace gas chromatography Vanillin for synthesis SupraSolv® 1.08661.1000 GB 1l 5730 11930 121-33-5 7732-18-5 1.08661.2500 GB 2.5 l 10860 8.18718.0100 1.00577.2500 GB 8.18718.0500 100 g 5650 2.5 l 6160 1.08661.2511 PE 2.5 l 500 g 15180 Water Standard 0.01 % Standard for m-Xylene for synthesis Vinyl acetate (stabilised) for synthesis coulometric Karl Fischer Titration 1 g «» 108-38-3 1l 14190 8.22337.1000 2.5 l 26660 108-05-4 0.1 mg H2O apura® 8.22337.2500 8.03184.0010 10 ml 2460 1.88050.0010 1 ST 11060 8.03184.0100 100 ml 4110 10590 Water standard 0.1% Standard for o-Xylene for synthesis 8.03184.1000 1l coulometric Karl Fischer Titration 1 g «» 1 95-47-6 8.08697.1000 mg H2O apura® 8.08697.2500 1l 9580 2.5 l 20330 Vinylacetic acid (stabilised) for synthesis 1.88051.0010 1 ST 11060 625-38-7 10 ml 13270 Water standard 1% Standard for p-Xylene for synthesis 8.41387.0010 volumetric Karl Fischer Titration 1 g «» 10 106-42-3 8.08691.1000 9-Vinylanthracene for synthesis mg H2O apura® 8.08691.2500 1l 6320 2.5 l 13170 2444-68-0 1.88052.0010 1 ST 11060 8.24593.0500 0.5 g 8190 Water standard 5 mg/ml (1 ml contains 5 Xylenol orange tetrasodium salt metal indicator ACS,Reag. Ph Eur 4-Vinylbenzoic acid for synthesis mg H2O) apura® 1075-49-6 1.09259.0250 250 ml 7820 8.41019.0001 1g 12020 Water standard oil standard for oil 3618-43-7 1 g 17720 1.08677.0001 5 g 22020 samples for coulometric Karl Fischer 1.08677.0005 1,2-Vinylenebis(triphenylphosphonium) Titration (15-30 ppm) apura® dibromide for synthesis 1.88055.0010 1 ST 17680 Ytterbium ICP standard traceable to SRM 54770-27-3 10 g 9690 Water Standard Oven 1% solid standard from NIST Yb2O3 in HNO3 2-3% 1000 8.18122.0010 for KF oven method apura® mg/l Yb CertiPUR® Vinylphosphonic acid (80% solution) for 1.88054.0005 5 g 12160 1.70367.0100 100 ml 33990 synthesis Water Ultrapur Ytterbium oxide 99+ 8.43915.0250 250 ml 119080 7732-18-5 500 ml 6610 1314-37-0 1.01262.0500 1l 25350 1.12410.0005 8.43915.1000 1 l 357250 1.01262.1000 5 g 17150 Vinylphosphonic acid, 90% for synthesis Water for chromatography LC-MS and Yttrium ICP standard traceable to SRM 1746-03-8 250 ml 66550 UPLC/UHPLC LiChrosolv® from NIST Y(NO3)3 in HNO3 2-3% 1000 8.43914.0250 1 l 181500 1.15333.2500 GB 2.5 lit 5220 mg/l Y CertiPUR® 8.43914.1000 Wijs solution for determination of the 1.70368.0100 100 ml 20660 2-Vinylpyridine (stabilized with 4-tert- iodine number c(ICl) = 0.1 mol/l TitriPUR® Yttrium oxide 99+ butylpyrocatechol) for synthesis 1314-36-9 1.09163.1000 1 l 7110 1.12412.0025 100-69-6 1.09163.2500 2.5 l 14220 25 g 16110 8.22189.0005 5 ml 4110 Withdrawal system for solvents with Yttrium standard solution traceable to SRM 8.22189.0250 250 ml 9740 manual pressure build-up for 10 l and 25 l from NIST Y(NO3)3 in HNO3 0.5 mol/l 1-Vinyl-2-pyrrolidone (stabilized with N,N’- stainless steel drums with 2” connection 1000 mg/l Y CertiPUR® di-sec-butyl-1,4-phenylenediamine) for synthesis 1.01114.0001 1 ST 138260 1.19809.0100 100 ml 4830 Withdrawal system for solvents with 1.19809.0500 500 ml 6760 88-12-0 manual pressure build-up for 10 l and 30 l Yttrium(III) nitrate hexahydrate 99+ 8.08518.0005 5 ml 3940 stainless steel barrels 13494-98-9 8.08518.0250 250 ml 6160 1.12516.0025 1.01123.0001 1 ST 166400 25 g 13300 Water with 0.05% (v:v) trifluoroacetic acid Withdrawal system for stainless steel for liquid chromatography LiChrosolv® barrels and drums with threaded adapter Zinc acetate dihydrate for analysis EMSURE® ACS 4.80170.2500 2.5 l 13350 and flexible lines, for gas pressurizing, additionally necessary: dip tube suit the 5970-45-6 1.08802.0250 Water detection paste N particular type of container 1.08802.1000 250 g 2960 1.08641.0001 1 Kg 7370 1 ST 3890 1.06710.0001 1 ST 474480 192 MERCKgroup.com For enquiries write to [email protected]

Product Order Pack Unit Price Product Order Pack Unit Price Product Order Pack Unit Price No. ` No. ` No. ` Zinc bromide anhydrous for synthesis Zinc standard solution traceable to SRM 7699-45-8 5g 2870 from NIST Zn(NO3)2 in HNO3 0.5 mol/l CertiPUR® Volumetric 8.18631.0005 250 g 10400 Standards 8.18631.0250 23810 1000 mg/l Zn CertiPUR® Laboratory Reagents & Chemicals 8.18631.1000 1 Kg Comprehensive range for all titrimeric 1.19806.0100 100 ml 4460 applications. Free flowing solids with long shelf life. 1.19806.0500 500 ml 6220 Traced back to NIST, USA. Certificate of analysis enclosed in pack. Zinc chloride for analysis EMSURE® Zinc sticks, triangular cross section about ACS,ISO,Reag. Ph Eur 8 mm for analysis EMSURE® 7646-85-7 250 g 3410 7440-66-6 500 g 13780 1.08816.0250 1 Kg 8510 1.08782.0500 1.08816.1000 Zinc coarse powder for analysis suitable for Zinc sulfate heptahydrate for analysis filling of reductors, particle size about 0.3- EMSURE® ACS,ISO,Reag. Ph Eur 1.5 mm (14-50 mesh ASTM) EMSURE® Reag. Ph Eur 7446-20-0 500 g 3420 1.08883.0500 1 Kg 5250 7440-66-6 250 g 14310 5 Kg 18380 1.08756.0250 1 Kg 35800 1.08883.1000 1.08756.1000 1.08883.5000 Zinc dust particle size < 63 µm Zinc sulfate solution c(ZnSO4) = 0.1 mol/l 7440-66-6 1 Kg 10990 TitriPUR® 1.08774.1000 1.08879.1000 1 l 3330 Zinc granular extra pure particle size about 3-8 mm Zinc sulfate solution for 1000 ml, 7440-66-6 c(ZnSO4) = 0.1 mol/l (0.1 M) Titrisol® 1.08755.1000 1 Kg 13220 1.09991.0001 1 ST 2670 Zinc granular for analysis, particle size Zinc volumetric standard, secondary Potassium hydrogen phthalate Volumetric about 3-8 mm EMSURE® ISO reference material for complexometry, standard, secondary reference material for traceable to NIST SRM CertiPUR® alkalimetry, traceable to NIST Standard 7440-66-6 500 g 11750 Reference Material (SRM) CertiPUR® 1.08780.0500 1 Kg 21340 7440-66-6 1.08780.1000 1.02409.0100 100 g 23180 877-24-7 1.02400.0080 Zinc ICP standard traceable to SRM from 80 g 14310 NIST Zn(NO3)2 in HNO3 2-3% 1000 mg/l Zinc(II) acetylacetonate for synthesis Zn CertiPUR® 14024-63-6 Benzoic acid volumetric standard, 8.08803.0100 secondary reference material for 1.70369.0100 100 ml 19050 100 g 12140 alkalimetry, traceable to NIST Standard Reference Material (SMR) CertiPUR® Zinc ICP standard traceable to SRM from Zirconium ICP standard traceable to SRM NIST Zn(NO3)2 in HNO3 2-3% 10000 mg/l from NIST, ZrOCl2 in HCl 7% 10000 mg/l Zn CertiPUR® Zr CertiPUR® 65-85-0 60 g 16060 1.02401.0060 1.70389.0100 100 ml 38080 1.70390.0100 100 ml 36700 Zinc iodide for analysis EMSURE® Iron(II) ethylenediammonium sulfate Volumetric standard, secondary reference 10139-47-6 25 g 8400 Zirconium ICP standard traceable to SRM material for redox titration, traceable to 1.08828.0025 100 g 14390 NIST Standard Reference Material (SRM) 1.08828.0100 from NIST, ZrCl4 in HCl 7% 1000 mg/l Zr CertiPUR® CertiPUR® Zinc iodide starch solution for analysis 1.70370.0100 100 ml 32110 1.05445.0500 500 ml 4390 Zirconium standard solution traceable to 113193-60-5 1.02402.0080 Zinc nitrate tetrahydrate for analysis EMSURE® SRM from NIST ZrOCl2 in HCl 2 mol/l 1000 80 g 23670 19154-63-3 1 Kg 15250 mg/l Zr CertiPUR® Potassium dichromate volumetric standard, 1.08833.1000 secondary reference material for redox 1.70234.0100 100 ml 10700 titration, traceable to NIST SRM CertiPUR® Zinc oxide for analysis EMSURE® ACS,Reag. Ph Eur Zirconium(IV) oxide chloride octahydrate 7778-50-9 for analysis EMSURE® 1.02403.0080 1314-13-2 1 Kg 8700 80 g 12630 1.08849.1000 13520-92-8 1.08917.0100 Zinc oxide for analysis EMSURE® 100 g 14440 Potassium iodate volumetric standard, ACS,Reag. Ph Eur secondary reference material for Zirconium(IV) acetylacetonate for iodometry, traceable to NIST SRM 1314-13-2 500 g 5230 synthesis CertiPUR® 1.08849.0500 Zinc powder for analysis particle size < 45 17501-44-9 100 g 11520 7758-05-6 100 g 22240 µm EMSURE® 8.08915.0100 1.02404.0100 7440-66-6 500 g 7560 Zirconium(IV) chloride anhydrous, for Sodium carbonate volumetric standard, 1.08789.0500 1 Kg 13780 synthesis secondary reference material for 1.08789.1000 acidimetry, traceable to NIST SRM 10026-11-6 CertiPUR® Zinc standard 1000 mg Zn, (ZnCl2 in 8.08913.0005 5g 3560 250 g 8980 0.06% HCl) Titrisol® 8.08913.0250 26290 497-19-8 1 Kg 1.02405.0080 1.09953.0001 1 ST 5800 8.08913.1000 80 g 15940 S : The items can be transported only by Sea Freight AL : Aluminium PE : Polyethylene 193 C : The items can be transported by Air Cargo GA : Glass Ampoule SB: Septum Bottle B : The items can be supplied against end user order copy only GB : Glass Bottle ** : PO & EUD Required

Part 2 Advanced Analytics Product Order Pack Unit Price Product Order Pack Unit Price Product Order Pack Unit Price No. ` No. ` No. ` Sodium chloride volumetric standard, Sodium hydroxide solution c(NaOH) = 0,25 Acetonitrile dried (max. 0.005 % H2O) secondary reference material for SeccoSolv® argentometry, traceable to NIST SRM mol/l (0,25 N) TitriPUR® CertiPUR® 1.09139.9010 10 l 18230 75-05-8 1.00004.0161 7647-14-5 Sodium hydroxide solution c(NaOH) = 0,33 SB 150 ml 3510 1.02406.0080 1.00004.0500 GB 500 ml 3890 80 g 15940 mol/l (1/3 N) SB 9350 1.00004.1001 1l 1.05595.9010 10 l 17850 di-Sodium oxalate volumetric standard, Sodium hydroxide solution c(NaOH) = 0,5 Acetonitrile for DNA synthesis (max. 10 secondary reference material for redox ppm H2O) titration, traceable to NIST Standard mol/l (0,5 N) TitriPUR® Reference Material (SRM) CertiPUR® 1.09138.4000 4 l 13130 75-05-8 1.12636.0050 GB 62-76-0 1.09138.9010 10 l 18400 50 ml 5240 1.02407.0060 1.12636.2500 GB C 2.5 l 15780 60 g 17620 Sodium hydroxide solution c(NaOH) = 1 Tris(hydroxymethyl)aminomethane mol/l (1 N) TitriPUR® Chloroform dried (max. 0,003% H2O) volumetric standard, secondary reference material for acidimetry, traceable to 1.09137.4000 4 l 13420 SeccoSolv® NIST Standard Reference Material (SRM) CertiPUR® 1.09137.9010 10 l 18760 1.02395.1001 SB 1 l 13510 Hydrochloric acid c(HCl) = 0,1 mol/l Dichloromethane dried (max. 0,004% H2O) SeccoSolv® (0,1 N) TitriPUR® 77-86-1 1.09060.4000 4 l 11330 1.02408.0080 80 g 17800 1.09060.9010 10 l 15880 75-09-2 SB 150 ml 3590 1.06051.0161 GB 500 ml 4010 Zinc volumetric standard, secondary Hydrochloric acid c(HCl) = 0,5 mol/l (0,5 SB 9600 reference material for complexometry, 1.06051.0500 1l traceable to NIST SRM CertiPUR® N) TitriPUR® 1.06051.1001 1.09058.4000 4 l 12340 7440-66-6 100 g 23180 Hydrochloric acid c(HCl) = 1 mol/l (1 N) Diethyl ether dried (max. 0,005% H2O) 1.02409.0100 TitriPUR® SeccoSolv®/SeccoSept™ Calcium carbonate volumetric standard, 1.09057.4000 4 l 12620 1.00929.0161 SB 150 ml 4240 secondary reference material for complexometry, traceable to NIST 1.09057.9010 10 l 17640 1.00929.0500 GB 500 ml 4660 Standard Reference Material (SRM) CertiPUR® Hydrochloric acid c(HCl) = 3.571 mol/l 1.00929.1000 GB 1 l 7550 (3.571N) 1.00929.1001 SB 1 l 10550 1.13134.9010 10 l 22910 Dimethyl formamide for peptid synthesis 471-34-1 50 g 18240 Sodium thiosulfate solution c(Na2S2O3 5 (max. 0,003% H2O) SeccoSolv®/ 1.02410.0050 H2O) = 0,1 mol/l (0,1 N) TitriPUR® SeccoSept™ 1.09147.4000 4 l 11120 1.02375.0161 SB 150 ml 8050 TitriPUR® Sulfuric acid c(H2SO4) = 0,05 mol/l 1.02375.1001 SB 1 l 17900 ready-to-use volumetric solutions in (0,1 N) TitriPUR® Dimethyl sulfoxide dried (max. 0,025% Titripac® H2O) SeccoSolv® 1.09074.4000 4 l 11670 1.09074.9010 10 l 16340 67-68-5 1.02931.0161 Sulfuric acid c(H2SO4) = 0,25 mol/l 1.02931.0500 SB 150 ml 6560 1.02931.1000 GB 500 ml 7290 (0,5 N) TitriPUR® 1.02931.1001 GB 12480 1.02931.2500 SB 1l 13600 1.09073.4000 4 l 12340 SB 1l 23110 2.5 l Sulfuric acid c(H2SO4) = 0,5 mol/l (1 N) TitriPUR® 1.09072.4000 4 l 12990 1,4-Dioxane dried (max. 0,005% H2O) SeccoSolv® Titriplex® III solution for metal titration c(Na2-EDTA · 2 H2O) = 0,1 mol/l TitriPUR® 123-91-1 1.03110.0161 1.08431.4000 4 l 20920 SB 150 ml 5690 1.03110.0500 GB 500 ml 6310 SeccoSolv®/SeccoSept™ SB 15210 1.03110.1001 1l dried solvents with or without Septum Cap Ethyl acetate dried (max. 0,003% H2O) SeccoSolv® Traceable to certified SRM from NIST, Special Teflon-coated silicon septum 141-78-6 1 l 16870 U.S.A. Certificate of analysis Available in 4 Useable with & without septum Biggest 1.02396.1001 SB liters and 10 liters. septum surface: 5 septum-circles Reliable, Economical & Time-saving n-Hexane dried (max. 0,004% H2O) Sodium hydroxide solution c(NaOH) = 0,1 SeccoSolv® mol/l (0,1 N) TitriPUR® Acetone dried (max. 0.0075% H2O) 110-54-3 500 ml On Application SeccoSolv® 1.04373.0500 GB 1.09141.4000 4 l 12620 1.09141.9010 10 l 17660 67-64-1 Isooctane dried (max. 0,005% H2O) 1.00299.0161 SeccoSolv® Sodium hydroxide solution c(NaOH) = 0,2 1.00299.0500 SB 150 ml 4370 1.00299.1001 GB 500 ml 3490 mol/l (0,2 N) SB 7290 540-84-1 1l 1.04715.0500 GB 1.09140.9010 10 l 17850 500 ml 4980 194 MERCKgroup.com For enquiries write to [email protected]

Product Order Pack Unit Price Product Order Pack Unit Price Product Order Pack Unit Price No. ` No. ` No. ` Methanol dried (max. 0,003% H2O) 1-Chlorobutane for liquid chromatography Tetrahydrofuran for liquid chromatography SeccoSolv® LiChrosolv® LiChrosolv® 67-56-1 1.01692.1000 GB 1 lit 32320 1.08101.1000 GB 1 lit 21440 1.06012.0161 1.06012.0500 SB 150 ml 4500 Chloroform for liquid chromatography 1.08101.2500 GB 1 lit 44660 Laboratory Reagents & Chemicals 1.06012.1000 GB 500 ml 5270 1.06012.1001 GB 8600 LiChrosolv® 1.08101.4000 GB 1 lit 71470 1.06012.2500 SB 1l 7200 GB 1l 14280 1.02444.1000 GB 1 lit 13300 Toluene for liquid chromatography 2.5 l 1.02444.2500 GB 2.5 l 27700 LiChrosolv® 2-Propanol dried (max. 0,005% H2O) Cyclohexane for liquid chromatography 1.08327.1000 GB 1 lit 12120 SeccoSolv® LiChrosolv® Water for chromatography LC-MS and 67-63-0 1.02827.1000 GB 1 l 7820 UPLC/UHPLC LiChrosolv® 1.00994.0161 1.00994.0500 SB 150 ml 3870 1.02827.2500 GB 2.5 l 16290 1.15333.2500 GB 2.5 lit 5220 1.00994.1001 GB 500 ml 3410 SB 7110 2-Dichloroethane for liquid 1l chromatography LiChrosolv® SupraSolv® - Headspace grade for the analysis Pyridine dried (max. 0.0075 % H2O) 1.13713.1000 GB 1l 9660 of residual solvents SeccoSolv® according to Ph Eur and Dichloromethane for liquid chromatography USP 110-86-1 1.07463.0161 SB 150 ml 5630 LiChrosolv® 1.07463.0500 GB 500 ml 6250 1.07463.1001 SB 12830 1.06044.1000 GB 1 l 9460 1l 1.06044.2500 GB 2.5 l 19690 Tetrahydrofuran dried (max. 0,005 % 1.06044.4000 GB 4 l 31490 H2O) SeccoSolv® 1,4-Dioxane for liquid chromatography N,N-Dimethylacetamide for head Gas 109-99-9 LiChrosolv® Chromatography SupraSolv® 1.08107.0161 1.08107.0500 SB 150 ml 6210 1.03132.1000 GB 1 lit 14930 1.00399.0500 GB 500 ml 11220 1.08107.1000 GB 500 ml 6660 1.08107.1001 GB 11900 1.00399.1000 GB 1 lit 19240 SB 1l 12420 1l Ethyl acetate for liquid chromatography N,N-Dimethylformamide for head Gas LiChrosolv® Chromatography SupraSolv® Toluene dried (max. 0,005% H2O) SeccoSolv® 1.00868.1000 GB 1 l 12800 1.00202.0500 GB 500 ml 12090 1.00868.2500 GB 2.5 l 26640 1.00202.1000 GB 1 lit 16050 108-88-3 SB 150 ml 7600 1.00868.4000 GB 4 l 42610 1.00202.2500 GB 2.5 lit 43230 1.08326.0161 GB 500 ml 7780 1.08326.0500 SB 15390 n-Heptane for liquid chromatography Dimethyl sulfoxide ffor head Gas 1.08326.1001 1l LiChrosolv® Chromatography SupraSolv® Trifluoroacetic acid for protein sequence 1.04390.1000 GB 1 lit On Application 1.01900.0500 GB 500 ml 10490 analysis 17980 n-Hexane for liquid chromatography 1.01900.1000 GB 1 lit 46920 76-05-1 LiChrosolv® 1.01900.2500 GB 2.5 lit 1.08178.0050 GB 50 ml 13460 1.04391.2500 GB 2.5 l On Application 1-Methyl-2 pyrrolidone for head Gas 1.04391.4000 GB 4 l On Application Chromatography SupraSolv® HPLC grade solvents Isohexane for liquid chromatography New 1.02497.0500 GB 500 ml 9220 Manufactured by Merck KGaA, Germany LiChrosolv® 1.02497.1000 GB 1 lit 15800 1.04335.2500 GB 2.5 l On Application 1.02497.2500 GB 2.5 lit 32920 Isooctane for liquid chromatography New Water for head Gas Chromatography LiChrosolv® SupraSolv® Acetonitrile Hypergrade Lichrosolv® for 1.04717.1000 GB 1 l 11730 1.00577.1000 GB 1 lit 4130 LCMS analysis 1.04717.2500 GB 2.5 l 24430 1.00577.2500 GB 2.5 lit 6160 1.00029.1000 GB 1 lit 8670 1.00029.2500 GB 2.5 lit 17010 Methanol hypergrade for LC-MS SupraSolv®/UniSolv® - Gas Chromatography Acetonitrile gradient grade for liquid LiChrosolv® Solvents chromatography LiChrosolv® 1.06035.1000 GB 1 lit 6970 13050 1.00030.2500 GB 2.5 l 11770 1.06035.2500 GB 2.5 lit 1.00030.4000 GB 4 l 13550 Methanol gradient grade for liquid Acetone for liquid chromatography chromatography LiChrosolv® Acetone For Gas Chromatography LiChrosolv® 1.06007.2500 GB 2.5 l 4780 SupraSolv® 4060 1.00020.2500 GB 2.5 lit 14870 1.06007.4000 GB 4l 1.00012.1000 GB 1 lit 5610 23800 11700 1.00020.4000 GB 4 lit 1.00012.2500 GB 2.5 lit 1-Butanol for liquid chromatography 1-Propanol for liquid chromatography Acetonitrile For Gas Chromatography LiChrosolv® LiChrosolv® SupraSolv® 1.01988.1000 GB 1 l 8390 1.01024.1000 GB 1 l 8710 1.00017.1000 GB 1 lit 5780 1.01988.2500 GB 2.5 l 17470 1.01024.2500 GB 2.5 l 18130 1.00017.2500 GB 2.5 lit 12050 tert-Butyl methyl ether for liquid 2-Propanol gradient grade for liquid Tert-butyl Methyl Ether For Gas chromatography LiChrosolv® chromatography LiChrosolv® Chromatography SupraSolv® 1.01845.1000 GB 1l 9780 1.01040.1000 GB 1 l 7370 1.01995.1000 GB 1 lit 7680 20360 16000 1.01845.2500 GB 2.5 l 1.01040.2500 GB 2.5 l 15380 1.01995.2500 GB 2.5 lit S : The items can be transported only by Sea Freight AL : Aluminium PE : Polyethylene 195 C : The items can be transported by Air Cargo GA : Glass Ampoule SB: Septum Bottle B : The items can be supplied against end user order copy only GB : Glass Bottle ** : PO & EUD Required

Part 2 Advanced Analytics Product Order Pack Unit Price Product Order Pack Unit Price Product Order Pack Unit Price No. ` No. ` No. ` Chloroform For Gas Chromatography Toluene For Gas Chromatography SupraSolv® SupraSolv® 1.08389.1000 GB 1 lit 9520 Extran® for apparative cleaning 1.02432.1000 GB 1 lit 10460 1.08389.2500 GB 2.5 lit 19850 1.02432.2500 GB 2.5 lit 21770 Toluene For Gas Chromatography UniSolv® Cyclohexane For Gas Chromatography 1.08388.2500 GB 2.5 lit 21650 SupraSolv® Extran® AP 11 mildly alkline 1.02817.1000 GB 1 lit 6140 1.07558.2000 2 kg 25770 1.02817.2500 GB 2.5 lit 12800 SupraSolv® - Solvents for Gas Dichloromethane For Gas Chromatography chromatography MS Extran® AP 12 alkline 2 kg 16490 1.07563.2000 SupraSolv® 1.06054.1000 GB 1 lit 7490 Extran® AP 13 alkline with detergent 1.06054.2500 GB 2.5 lit 15520 Acetone for gas chromatography MS 1.07565.2000 2 kg 15400 SupraSolv® Dichloromethane For Gas Chromatography UniSolv® 67-64-1 Extran® AP 14 liquid mildly alkline 1.00658.1000 GB 1.06454.1000 GB lit 8110 1.00658.2500 GB 1l 5600 1.07573.2500 2.5 l 14680 2.5 l 11700 Diethyl ether For Gas Chromatography Extran® AP 15 liquid alkline SupraSolv® Acetonitrile for gas chromatography MS 1.07575.2500 2.5 l 12040 SupraSolv® 1.00931.1000 GB 1 lit 8150 1.00931.2500 GB 2.5 lit 18440 EXTRAN® AP16 LIQUID, MILD ALKALINE N,N-dimethylformamide For Gas 75-05-8 1l 5790 CONCENTRATE 1.00665.1000 GB 2.5 l 12050 Chromatography SupraSolv® 1.00665.2500 GB 1.40001.2500 2.5 l 14680 1.10983.1000 GB 1 lit 16590 28830 1.10983.2500 GB 2.5 lit Cyclohexane for gas chromatography MS EXTRAN® AP17 LIQUID, ALKALINE SupraSolv® Ethyl Acetate For Gas Chromatography CONCENTRATE SupraSolv® 110-82-7 1.40006.2500 2.5 l 12040 1.00667.1000 GB 1.10972.1000 GB 1 lit 10060 1.00667.2500 GB 1l 6120 Extran® AP 21 acidic with phosphoric acid 2.5 l 12800 1.10972.2500 GB 2.5 lit 20930 1.07559.2500 2.5 l 13210 N-hexane For Gas Chromatography Dichloromethane for gas chromatography MS SupraSolv® SupraSolv® Extran® AP 22 acidic with citric acid 1.04371.1000 GB 1 lit On Application 75-09-2 1.07561.2500 2.5 l 12260 1.00668.1000 GB 1.04371.2500 GB 2.5 lit On Application 1.00668.2500 GB 1l 7490 Extran® AP33 liquid, anti-foaming agent, 2.5 l 15520 N-hexane For Gas Chromatography formaldehyde-free UniSolv® 1.40007.2500 2.5 l 31950 1.04369.1000 GB 1 lit On Application Ethyl acetate for gas chromatography MS SupraSolv® 1.04369.2500 GB 2.5 lit On Application Extran® AP 41 enzymatic Isohexane For Gas Chromatography 141-78-6 1l 10030 1.07570.2000 2 kg 20090 1.00789.1000 GB 2.5 l 20930 SupraSolv® 1.00789.2500 GB 1.04340.2500 GB 2.5 lit On Application Isooctane For Gas Chromatography n-Hexane for gas chromatography MS SupraSolv® SupraSolv® Extran® for manual cleaning 1.15440.1000 GB 1 lit 9210 110-54-3 1.00795.2500 GB 1.15440.2500 GB 2.5 lit 19210 1.00795.2500 GB 1l On Application 2.5 l On Application Methanol For Gas Chromatography Extran® MA 01 alkaline 1.07555.1000 SupraSolv® Methanol for gas chromatography MS 1.07555.2500 1l 6760 SupraSolv® 2.5 l 9680 1.06011.1000 GB 1 lit 3060 6380 1.06011.2500 GB 2.5 lit N-pentane For Gas Chromatography 67-56-1 1l 3060 Extran® MA 02 neutral 1.00837.1000 GB 2.5 l 6380 1.07553.2500 UniSolv® 1.00837.2500 GB 1.07553.5000 2.5 l 11150 5l 17010 1.07288.1000 GB 1 lit On Application 1.07288.2500 GB 2.5 lit On Application Toluene for gas chromatography MS SupraSolv® 2-propanol For Gas Chromatography EXTRAN® MA05 LIQUID, ALKALINE, SupraSolv® 108-88-3 PHOSPHATE-FREE CONCENTRATE 1.00849.1000 1.00998.1000 GB 1 lit 5080 1.00849.2500 1l 9520 1.40000.2500 2.5 l 12040 2.5 l 19850 1.00998.2500 GB 2.5 lit 10570 1.40000.5000 5 l 17600 196 MERCKgroup.com For enquiries write to [email protected]

PART - 3 Peptide Reagents & Building Blocks from Merck Germany – Novabiochem® Bioconjugation - Dyes & Resins Novabiochem® Boc Amino Acids Coupling Reagents & Linkers Fmoc Amino Acids Hydralink Pseudoprolines PEGylation Resins for Solid Phase Peptide Synthesis Resins for Solution Phase Peptide Synthesis Unusual Amino Acids For more details contact: Merck Life Science Private Limited Tel : +91 22 6210 9000 Fax : +91 22 6210 9999 e-mail : [email protected] 197

Part 3 Advanced Analytics Product Order Pack Unit Price Product Order Pack Unit Price Product Order Pack Unit Price No. ` No. ` No. ` Ac-Ala-OHAc-Ala-OH O-Bis-(aminoethyl)ethyleneglycol trityl Boc-Asp-OBzl 8.54149.0001 8.53014.0005 8.54149.0005 1 gm 2040 resin 8.53014.0025 5 gm 4080 8.54149.0025 5 gm 8250 25 gm 16170 25 gm 33000 8.56097.0001 1 gm 6700 8.56097.0005 5 gm 26460 Boc-Asp(OBzl)-OH 8.53045.0005 4-Aminobutanethiol 4-methoxytrityl resin 8.56097.0025 25 gm 104700 8.53045.0025 5 gm 2040 8.53045.0100 25 gm 6210 8.56095.0001 1 gm 9800 Bis-Boc-amino-oxyacetic acid 100 gm 18540 8.56095.0005 5 gm 39040 8.51028.0001 1 gm 8250 33000 8.56095.0025 25 gm 156240 8.51028.0005 5 gm Boc-Asp(OcHx)-OH 8.53030.0005 Aminomethyl Polystyrene resin HL (100- Bis-Boc-thiourea 8.53030.0025 5 gm 2700 8.51080.0001 8.53030.0100 25 gm 8000 200 mesh) 8.51080.0005 1 gm 6620 100 gm 24170 5 gm 25970 8.55020.0005 5 gm 3840 8.55020.0025 25 gm 15270 2-Biotinyldimedone Boc-Asp-OtBu 8.51069.0001 8.53032.0001 8.55020.0100 100 gm 45820 8.51069.0005 1 gm 12330 8.53032.0005 1 gm 2860 5 gm 49170 8.53032.0025 5 gm 11270 Aminomethylated polystyrene LL (100-200 25 gm 44350 mesh) Boc-Abu-OH 8.53058.0001 8.55115.0005 5 gm 3840 8.53058.0005 1 gm 2290 8.53058.0025 5 gm 8980 8.55115.0025 25 gm 15270 25 gm 35850 Boc-Asp(OtBu)-OH.DCHA 8.55115.0100 100 gm 45820 8.53048.0005 5 gm 6290 25070 Aminomethyl-NovaGel HL 8.53048.0025 25 gm 8.55084.0001 1 gm 3840 Boc-Aib-OH 5 gm 1960 Boc-L-A-t-butylglycine 15270 8.53077.0005 25 gm 7840 8.55084.0005 5 gm 61010 8.53077.0025 8.53068.0001 1 gm 11270 44840 8.55084.0025 25 gm 8.53068.0005 5 gm Amino PEGA resin 1 gm 7510 Boc-Ala-OH 5 gm 980 Boc-Cha-OH. DCHA 1 gm 3920 8.55015.0001 5 gm 30140 8.53001.0005 25 gm 2700 8.53072.0001 5 gm 15350 8.55015.0005 8.53001.0025 100 gm 5390 8.53072.0005 25 gm 61660 8.53001.0100 8.53072.0025 6-Azido-hexanoic acid 8.51097.0001 1 gm 11030 Boc-amino-oxyacetic acid Boc-Cys-OH (cryst.) 8.51097.0005 5 gm 43940 8.53031.0001 8.51017.0001 1 gm 4170 8.53031.0005 1 gm 3430 16580 8.53031.0025 5 gm 13970 Azido-NovaTag resin 8.51017.0005 5 gm 25 gm 55860 8.55143.8500 500 mg 18210 O-(N-Boc-2-aminoethyl)-O’-(N-diglycolyl- 33730 8.55143.0001 1 gm 2-aminoethyl) hexaeth Boc-Cys(Acm)-OH 8.53049.0005 O-(2-Azidoethyl)-O’-(N-diglycolyl-2- 8.51020.0001 1 gm 51540 8.53049.0025 5 gm 3100 8.53049.0100 25 gm 10290 aminoethyl)heptaethylene Boc-Arg(di-Z)-OH 100 gm 29970 8.53036.0005 8.51021.0001 1 gm 40750 8.53036.0025 5 gm 11270 25 gm 44840 4-Benzyloxybenzaldehyde polystyrene HL Boc-Cys(Bzl)-OH 8.53046.0005 (200-400 mesh) 2% DVB Boc-Arg(Mtr)-OH 8.53046.0025 5 gm 2290 8.53063.0005 8.53046.0100 25 gm 8980 8.55026.0005 5 gm 5310 8.53063.0025 5 gm 13070 100 gm 26870 25 gm 52350 8.55026.0025 25 gm 21320 8.55026.0100 100 gm 63870 Boc-Arg(Tos)-OH Boc-Cys(4-MeBzl)-OH 8.53013.0005 Biotin NovaTag resin 8.53013.0025 5 gm 2700 8.53033.0005 5 gm 2040 8.53013.0100 25 gm 8000 6210 8.55051.8500 500 mg 18210 100 gm 24170 8.53033.0025 25 gm 18540 34630 8.55051.0001 1 gm 8.53033.0100 100 gm N-Biotinyl-NH-(PEG)2-COOH.DIPEA (20 Boc-Asn(Trt)-OH Boc-Cys(4-MeOBzl)-OH 8.53074.0005 atoms) 8.53074.0025 5 gm 11680 8.53050.0005 5 gm 2040 25 gm 46550 6210 8.51029.8500 500 mg 22620 8.53050.0025 25 gm 18540 8.51029.0001 1 gm 37490 8.53050.0100 100 gm Biotin-ONp 1 gm 14050 Boc-Asn-OH 5 gm 980 Boc-Cys(Trt)-OH 5 gm 4080 8.51027.0001 8.53039.0005 25 gm 2700 8.53005.0005 25 gm 16170 8.53039.0025 100 gm 7600 8.53005.0025 100 gm 48350 Biotin-OSu 8.53039.0100 8.53005.0100 8.51023.0001 1 gm 15440 Boc-Asn(Xan)-OH 8.53007.0005 Biotin-PEG NovaTag resin 8.53007.0025 5 gm 3510 Boc-G-Abu-OH 5 gm 4490 8.53007.0100 25 gm 11680 8.53064.0005 25 gm 17890 8.55055.8500 500 mg 23110 100 gm 35450 8.53064.0025 44350 8.55055.0001 1 gm Bis-(2-aminoethyl)-ether trityl resin Boc-Asp-OH Boc-Gln-OH 8.53070.0005 8.53040.0005 8.56093.0001 1 gm 9800 8.53070.0025 5 gm 1800 8.53040.0025 5 gm 980 8.53070.0100 25 gm 7020 8.53040.0100 25 gm 2700 8.56093.0005 5 gm 39040 100 gm 20990 100 gm 7600 8.56093.0025 25 gm 156240 198  MERCKgroup.com    For enquiries write to [email protected]