Save on Common Stockroom Reagents

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1 Save on Common Stockroom Reagents Major savings off list price for our most popular solvents, acids and bases, lab reagents and our core bioreagents, such as buffers, detergents and albumins. ACS Solvents L-CS Acetone, ACS reagent, 99.5% X4L Acetone, ACS reagent, 99.5% L-CS Acetonitrile, ACS reagent, 99.5% 1, X4L Acetonitrile, ACS reagent, 99.5% 1, L-CS tert-butyl methyl ether, ACS reagent, 99.0% X4L tert-butyl methyl ether, ACS reagent, 99.0% X4L Chloroform, ACS reagent, 99.8%, amylene stabilized L-CS Chloroform, ACS reagent, 99.8%, contains % ethanol as stabilizer 1, X4L Chloroform, ACS reagent, 99.8%, contains % ethanol as stabilizer D L-CS Dichloromethane, ACS reagent, 99.5% D X4L Dichloromethane, ACS reagent, 99.5% L-CS Diethyl ether, anhydrous, ACS reagent, 99.0%, contains BHT as inhibitor X4L Diethyl ether, anhydrous, ACS reagent, 99.0%, contains BHT as inhibitor L-CS N,N-Dimethylformamide, ACS reagent, 99.8% 1, X4L N,N-Dimethylformamide, ACS reagent, 99.8% L-CS 1,4-Dioxane, ACS reagent, 99.0% 1, X4L 1,4-Dioxane, ACS reagent, 99.0% L-CS Ethyl acetate, ACS reagent, 99.5% X4L Ethyl acetate, ACS reagent, 99.5% L-CS Hexane, mixture of isomers, ACS reagent, 98.5% X4L Hexane, mixture of isomers, ACS reagent, 98.5% L-CS Methanol, ACS reagent, 99.8% X4L Methanol, ACS reagent, 99.8% L-CS 2-Propanol, ACS reagent, 99.5% X4L 2-Propanol, ACS reagent, 99.5% L-CS Tetrahydrofuran, ACS reagent, 99.0% 1, X4L Tetrahydrofuran, ACS reagent, 99.0% L-CS Toluene, ACS reagent, 99.5% X4L Toluene, ACS reagent, 99.5% Anhydrous Solvents in Sure/Seal ML Dichloromethane, ACS reagent, 99.5%, anhydrous, 99.8%, contains ppm amylene as stabilizer L Dichloromethane, ACS reagent, 99.5%, anhydrous, 99.8%, contains ppm amylene as stabilizer ML N,N-Dimethylformamide, ACS reagent, 99.8%, anhydrous, 99.8% The life science business of Merck KGaA, Darmstadt, Germany operates as MilliporeSigma in the U.S. and Canada.

2 Whether you need HPLC, ACS, anhydrous, reagent grade solvents or another Sigma-Aldrich grade, we stock the right product for your application. Anhydrous Solvents in Sure/Seal, cont L N,N-Dimethylformamide, ACS reagent, 99.8%, anhydrous, 99.8% ML Toluene, anhydrous, 99.8% L Toluene, anhydrous, 99.8% ML Acetonitrile, anhydrous, 99.8% L Acetonitrile, anhydrous, 99.8% ML Tetrahydrofuran, anhydrous, 99.9%, inhibitor-free L Tetrahydrofuran, anhydrous, 99.9%, inhibitor-free ML Methanol, anhydrous, 99.8% L Methanol, anhydrous, 99.8% ML Dimethyl sulfoxide, anhydrous, 99.9% L Dimethyl sulfoxide, anhydrous, 99.9% HPLC Solvents X4L Acetone, for HPLC, 99.9% X4L Acetonitrile, for HPLC, gradient grade, 99.9% 1, X4L Acetonitrile, for HPLC, gradient grade, 99.9% (polycoated bottle) 1, X4L Acetonitrile, UHPLC Plus, for gradient elution, 99.9% 1, X4L Acetonitrile, UHPLC Plus, for gradient elution, 99.9% (polycoated bottle) 1, X4L Chloroform, for HPLC, 99.8%, contains % ethanol as stabilizer X4L Chloroform, for HPLC, 99.8%, amylene stabilized X4L Dichloromethane, for HPLC, 99.8%, contains amylene as stabilizer X4L Reagent Alcohol, for HPLC X4L Ethyl acetate, for HPLC, 99.7% X4L Hexane, mixture of isomers, for HPLC, 98.5% X4L-R Methanol, for HPLC, 99.9% X4L 2-Propanol, for HPLC, 99.9% X4L Tetrahydrofuran, inhibitor-free, for HPLC, 99.9% 1, X4L Toluene, for HPLC, 99.9% X4L Water, for HPLC Acids and Bases ML Acetic acid, ACS reagent, 99.7% L Acetic acid, ACS reagent, 99.7% X500ML Acetic acid, ACS reagent, 99.7% X2.5L Acetic acid, ACS reagent, 99.7% ML-A Ammonium hydroxide solution, ACS reagent, % NH3 basis L Hydrobromic Acid, ACS reagent, 48% ML Hydrochloric acid, ACS reagent, 37% L Hydrochloric acid, ACS reagent, 37% X500ML Hydrochloric acid, ACS reagent, 37% X2.5L Hydrochloric acid, ACS reagent, 37% ML Nitric acid, ACS reagent, 70% L Nitric acid, ACS reagent, 70% ML Phosphoric acid, ACS reagent, 85 wt. % in H 2 O G Potassium hydroxide, ACS reagent, 85%, pellets KG Potassium hydroxide, ACS reagent, 85%, pellets KG Potassium hydroxide, ACS reagent, 85%, pellets G Sodium hydroxide, anhydrous, free-flowing, pellets, Redi-Dri, ACS reagent, 97% Free Flowing

3 Sigma-Aldrich provides the most comprehensive product range of lab reagents including acids and bases, organic & inorganic reagents, adsorbents, drying agents and more. Acids and Bases, cont KG Sodium hydroxide, anhydrous, free-flowing, pellets, Redi-Dri, ACS reagent, 97% Free Flowing G Sodium hydroxide, ACS reagent, 97.0% KG Sodium hydroxide, ACS reagent, 97.0% X500G Sodium hydroxide, ACS reagent, 97.0% ML Sulfuric acid, ACS reagent, % L Sulfuric acid, ACS reagent, % X2.5L Sulfuric acid, ACS reagent, % Organic Reagents KG Acetyl chloride, reagent grade, 98% ML Formaldehyde solution, ACS reagent, 37 wt. % in H 2 O, MeOH stabilized ML Formic acid, ACS reagent, 88.0% F ML Formic acid, reagent grade, 95% F ML Formic acid, reagent grade, 95% T ML Triethylamine, 99% T ML Triethylamine, 99% T0886-1L Triethylamine, 99% T ML Trifluoroacetic acid, ReagentPlus, 99% T ML Trifluoroacetic acid, ReagentPlus, 99% T6508-2L Trifluoroacetic acid, ReagentPlus, 99% T G Triphenylphosphine, ReagentPlus, 99% T KG Triphenylphosphine, ReagentPlus, 99% Reagents, Salts and Solutions G Aluminum Chloride, ReagentPlus, 99% ML Ammonia solution, 7 N in methanol L Ammonia solution, 7 N in methanol KG Ammonium chloride, ACS reagent, 99.5% G Ammonium persulfate, ACS reagent, 98.0% G L-Ascorbic Acid, anhydrous, free-flowing, Redi-Dri, ACS reagent, 99% Free Flowing G Bromine, ACS reagent, 99.5% G Bromine, ACS reagent, 99.5% G Calcium chloride dihydrate, ACS reagent, 99% KG Calcium chloride, anhydrous, free-flowing, Redi-Dri, 97% Free Flowing KG Calicium carbonate, anhydrous, free-flowing, Redi-Dri, ACS reagent, 99% Free Flowing G Cesium chloride, anhydrous, free-flowing, Redi-Dri, ReagentPlus,99.9% Free Flowing KG Citric acid, anhydrous, free-flowing, Redi-Dri, ACS reagent, 99.5% Free Flowing ML Hydrogen peroxide solution, 50 wt. % in H 2 O ML Hydrogen peroxide solution, contains inhibitor, 30 wt. % in H 2 O, ACS reagent KG Imidazole, anhydrous, free-flowing, Redi-Dri, ACS reagent, 99% Free Flowing KG Lithium bromide, anhydrous, free-flowing, Redi-Dri, ReagentPlus, 99% Free Flowing KG Lithium chloride, anhydrous, free-flowing, Redi-Dri, ACS reagent, 99% Free Flowing M G Magnesium chloride hexahydrate, ACS reagent, % KG Magnesium sulfate, anhydrous, free-flowing, Redi-Dri, ReagentPlus, 99.5% Free Flowing KG Magnesium sulfate, anhydrous, free-flowing, Redi-Dri, ReagentPlus, 99.5% Free Flowing M G Magnesium sulfate, anhydrous, ReagentPlus, 99.5% M7506-2KG Magnesium sulfate, anhydrous, ReagentPlus, 99.5% G Potassium acetate, ACS reagent, 99.0% G Potassium acetate, anhydrous, free-flowing, Redi-Dri, ACS reagent, 99% Free Flowing

4 Core Bioreagents from Sigma-Aldrich bring you the most complete range of high quality products you use every day including buffers, detergents, albumins and more. Reagents, Salts and Solutions, cont G Potassium bromide, anhydrous, free-flowing, Redi-Dri, ACS reagent, 99% Free Flowing G Potassium bromide, FT-IR grade, 99%, trace metals basis KG Potassium carbonate, anhydrous, free-flowing, Redi-Dri, ACS reagent, 99% Free Flowing KG Potassium carbonate, anhydrous, free-flowing, Redi-Dri, ACS reagent, 99% Free Flowing KG Potassium carbonate, ReagentPlus, 99% P G Potassium chloride, ACS reagent, % KG Potassium chloride, anhydrous, free-flowing, Redi-Dri, ACS reagent, 99% Free Flowing KG Potassium chloride, anhydrous, free-flowing, Redi-Dri, ACS reagent, 99% Free Flowing G Potassium iodide, anhydrous, free-flowing, Redi-Dri, ACS reagent, 99% Free Flowing KG Potassium iodide, anhydrous, free-flowing, Redi-Dri, ACS reagent, 99% Free Flowing P G Potassium phosphate dibasic, ACS reagent, 98% P G Potassium phosphate monobasic, ACS reagent, 99.0% P KG Potassium phosphate monobasic, ACS reagent, 99.0% G Potassium phosphate monobasic, anhydrous, free-flowing, Redi-Dri, ACS reagent, 99% Free Flowing KG Sodium acetate, anhydrous, free-flowing, Redi-Dri, ACS reagent, 99% Free Flowing S G Sodium bicarbonate, ACS reagent, % S KG Sodium bicarbonate, ACS reagent, % KG Sodium bicarbonate, anhydrous, free-flowing, Redi-Dri, ACS reagent, 99.7% Free Flowing KG Sodium bicarbonate, anhydrous, free-flowing, Redi-Dri, ACS reagent, 99.7% Free Flowing G Sodium bromide, anhydrous, free-flowing, Redi-Dri, ACS reagent, 99% Free Flowing G Sodium carbonate, ACS reagent, 99.5%, powder KG Sodium carbonate, ACS reagent, 99.5%, powder KG Sodium carbonate, anhydrous, free-flowing, Redi-Dri, ACS reagent, 99.5% Free Flowing KG Sodium carbonate, anhydrous, free-flowing, Redi-Dri, ACS reagent, 99.5% Free Flowing S G Sodium chloride, ACS reagent, 99.0% S9888-5KG Sodium chloride, ACS reagent, 99.0% S KG Sodium chloride, ACS reagent, 99.0% KG Sodium chloride, anhydrous, free-flowing, Redi-Dri, ACS reagent, 99% Free Flowing KG Sodium chloride, anhydrous, free-flowing, Redi-Dri, ACS reagent, 99% Free Flowing G Sodium iodide, anhydrous, free-flowing, Redi-Dri, ACS reagent, 99.5% Free Flowing S9763-1KG Sodium phosphate dibasic, ACS reagent, 99.0% KG Sodium phosphate dibasic, ACS reagent, 99.0% S G Sodium phosphate monobasic monohydrate, ACS reagent, % S9638-1KG Sodium phosphate monobasic monohydrate, ACS reagent, % G Sodium sulfate, ACS reagent, 99.0%, anhydrous, granular KG Sodium sulfate, ACS reagent, 99.0%, anhydrous, granular X500G Sodium sulfate, ACS reagent, 99.0%, anhydrous, granular G Sodium sulfate, ACS reagent, 99.0%, anhydrous, powder KG Sodium sulfate, ACS reagent, 99.0%, anhydrous, powder g Sodium sulfate, anhydrous, free-flowing, Redi-Dri, ACS reagent, 99% Free Flowing KG Sodium sulfate, anhydrous, free-flowing, Redi-Dri, ACS reagent, 99% Free Flowing KG Sodium sulfate, anhydrous, free-flowing, Redi-Dri, ACS reagent, 99% Free Flowing G Sodium sulfate, anhydrous, free-flowing, Redi-Dri, ACS reagent, 99% Free Flowing S9378-1KG Sucrose, 99.5% (GC) G Tetrabutylammonium hydrogensulfate, anhydrous, free-flowing, Redi-Dri, 97% Free Flowing G Zinc chloride, anhydrous, free-flowing, Redi-Dri, ACS reagent, 97% Free Flowing G Potassium phosphate dibasic, anhydrous, free-flowing, Redi-Dri, ACS reagent, 98% Free Flowing

5 Whether you need HPLC, ACS, anhydrous, reagent grade solvents or another Sigma-Aldrich grade, we stock the right product for your application. Antimicrobials A9415-2MG Actinomycin D, from Streptomyces sp., suitable for cell culture, 95% A9518-5G Ampicillin sodium salt A G Ampicillin sodium salt A G Ampicillin sodium salt, powder, BioReagent, suitable for cell culture A G Ampicillin, meets USP testing specifications C1389-5G Carbenicillin disodium salt, % anhydrous basis C G Carbenicillin disodium salt, % anhydrous basis C3416-1G Carbenicillin disodium salt, BioReagent, plant cell culture tested C9231-1G Carbenicillin disodium, meets USP testing specifications C0378-5G Chloramphenicol, 98% (HPLC) C G Chloramphenicol, 98% (HPLC) D MG Doxorubicin hydrochloride, % (HPLC) G3632-5G Gentamicin sulfate salt, potency: 590 μg Gentamicin base per mg G G Gentamicin sulfate salt, potency: 590 μg Gentamicin base per mg G G Gentamicin sulfate salt, potency: 590 μg Gentamicin base per mg 1, G1914-5G Gentamicin sulfate, meets USP testing specifications, powder K4000-5G Kanamycin sulfate from Streptomyces kanamyceticus, Animal Component-free K1377-5G Kanamycin sulfate from Streptomyces kanamyceticus, powder, BioReagent, suitable for cell culture, suitable for plant cell culture K G Kanamycin sulfate from Streptomyces kanamyceticus, powder, BioReagent, suitable for cell culture, suitable for plant cell culture K G Kanamycin sulfate from Streptomyces kanamyceticus, Animal Component-free M0503-2MG Mitomycin C from Streptomyces caespitosus, powder, contains NaCl as solubilizer M X2MG Mitomycin C from Streptomyces caespitosus, powder, contains NaCl as solubilizer 1, S G Streptomycin sulfate salt, powder T7660-5G Tetracycline hydrochloride, powder, BioReagent, suitable for cell culture V8138-5G Vancomycin hydrochloride from Streptomyces orientalis, meets USP testing specifications 1, Biological Reagents A G Acetamide, ~99% (GC) A9165-5G N-Acetyl-L-cysteine, cell culture tested, BioReagent A G N-Acetyl-L-cysteine, Sigma Grade, 99% (TLC), powder A G Acetylsalicylic acid, 99.0% A G Acrylamide, suitable for electrophoresis, 99% A3553-1KG Acrylamide, for electrophoresis, 99% (HPLC), powder A G Acrylamide, for molecular biology, 99% (HPLC) A1296-1KG Agar, microbiology tested, plant cell culture tested, cell culture tested, powder A7002-1KG Agar, ash % RDD G Agar, anhydrous, free-flowing, Redi-Dri, ash % Free Flowing RDD G Agar, anhydrous, free-flowing, Redi-Dri, ash % Free Flowing RDD011-1KG Agar, anhydrous, free-flowing, Redi-Dri, ash % Free Flowing A KG Agar, plant cell culture tested, powder 1, A G Agarose, High EEO A G Agarose, Medium EEO, for molecular biology 1, A G Agarose, Type I, low EEO A G Agarose, Ultra-low Gelling Temperature, molecular biology grade A G Agarose, BioReagent, for molecular biology, low EEO A G Agarose, BioReagent, for molecular biology, low EEO A G Agarose, BioReagent, for molecular biology, low EEO 1,

6 Major savings off list price for our most popular solvents, acids and bases, lab reagents and our core bioreagents, such as buffers, detergents and albumins. Biological Reagents, cont. A G Agarose, low gelling temperature, BioReagent, for molecular biology A G 4-Aminoantipyrine, reagent grade A MG 4-(2-Aminoethyl)benzenesulfonyl fluoride hydrochloride, 97% A MG 4-(2-Aminoethyl)benzenesulfonyl fluoride hydrochloride, 97% A G Ammonium chloride, for molecular biology, suitable for cell culture, 99.5% A G Ammonium persulfate, for molecular biology, for electrophoresis, 98% A G Ammonium persulfate, for molecular biology, for electrophoresis, 98% A2939-1KG Ammonium sulfate, BioXtra, 99.0% A G Ammonium sulfate, for molecular biology, 99.0% A4418-1KG Ammonium sulfate, for molecular biology, 99.0% A4418-5KG Ammonium sulfate, for molecular biology, 99.0% A8094-1KG L-Arginine, from non-animal source, meets EP, USP testing specifications, suitable for cell culture, % A5131-1KG L-Arginine monohydrochloride, reagent grade, 98% (HPLC), powder A G L-Ascorbic acid, BioXtra, 99.0%, crystalline A G L-Ascorbic acid, A G Bacteriological agar, for molecular biology B G Benzamidine hydrochloride hydrate, 99% C1778-1VL Caffeine, Sigma Reference Standard, vial of 250 mg C0750-5G Caffeine, powder, ReagentPlus C G Caffeine, powder, ReagentPlus C KG Calcium acetate hydrate, ReagentPlus, 99% (titration), powder C G Calcium chloride dihydrate, BioReagent, suitable for cell culture, suitable for insect cell culture, suitable for plant cell culture, 99.0% C G Calcium chloride, anhydrous, BioReagent, suitable for insect cell culture, suitable for plant cell culture, 96.0% L Castor oil C G Cesium chloride, for molecular biology, 99% (silver nitrate titration) C G Cesium chloride, for molecular biology, 98% C G Cobalt(II) chloride hexahydrate, BioReagent, suitable for cell culture, suitable for insect cell culture C G Copper(II) sulfate pentahydrate, BioReagent, suitable for cell culture, 98% C MG Cyanocobalamin, meets USP testing specifications C7880-5KG L-Cysteine hydrochloride monohydrate, reagent grade, 98% (TLC) 2, C G L-Cystine, 98% (TLC), crystalline D G Diethylenetriaminepentaacetic acid, 99% (titration) D9170-5VL Dimethyl sulfoxide, PCR Reagent G N-(3-Dimethylaminopropyl)-N -ethylcarbodiimide hydrochloride, purum, 98.0% (AT) E6383-5G N-(3-Dimethylaminopropyl)-N -ethylcarbodiimide hydrochloride, crystalline E G N-(3-Dimethylaminopropyl)-N -ethylcarbodiimide hydrochloride, commercial grade, powder G N-(3-Dimethylaminopropyl)-N -ethylcarbodiimide hydrochloride, 99.0% (AT) G DL-Dithiothreitol, 99.0% (RT) G DL-Dithiothreitol, 99.0% (RT) D G DL-Dithiothreitol, for electrophoresis, 99% D9779-5G DL-Dithiothreitol, for molecular biology, 98% (TLC), 99% (titration) D G DL-Dithiothreitol, for molecular biology, 98% (TLC), 99% (titration) D G DL-Dithiothreitol, for molecular biology, 98% (TLC), 99% (titration) D0632-5G DL-Dithiothreitol, 98% (HPLC), 99.0% (titration) D G DL-Dithiothreitol, 98% (HPLC), 99.0% (titration)

7 Whether you need HPLC, ACS, anhydrous, reagent grade solvents or another Sigma-Aldrich grade, we stock the right product for your application. Biological Reagents, cont. E G Ethylenediaminetetraacetic acid disodium salt dihydrate, for electrophoresis, for molecular biology, % (titration) E MG ( )-Epicatechin gallate, 98% (HPLC), from green tea E1385-5ML Ethidium bromide solution, BioReagent, for molecular biology, 500 μg/ml in H 2 O E G Ethylene glycol-bis(2-aminoethylether)-n,n,n,n -tetraacetic acid, for molecular biology, 97.0% E G Ethylene glycol-bis(2-aminoethylether)-n,n,n,n -tetraacetic acid, 97.0% E G Ethylene glycol-bis(2-aminoethylether)-n,n,n,n -tetraacetic acid, 97.0% E G Ethylenediaminetetraacetic acid, ACS reagent, %, powder E G Ethylenediaminetetraacetic acid, ACS reagent, %, powder EDS-500G Ethylenediaminetetraacetic acid, BioUltra, anhydrous, 99% (titration) E ML Ethylenediaminetetraacetic acid disodium salt solution, for molecular biology, 0.5 M in H 2 O, DNase, RNase, NICKase and protease, none detected ED2SS-500G Ethylenediaminetetraacetic acid disodium salt dihydrate, reagent grade, % (titration) ED2SS-1KG Ethylenediaminetetraacetic acid disodium salt dihydrate, reagent grade, % (titration) E G Ethylenediaminetetraacetic acid disodium salt dihydrate, ACS reagent, % RDD G Ethylenediaminetetraacetic acid, anhydrous, free-flowing, powder, Redi-Dri, ACS reagent, % Free Flowing E3876-5G N-Ethylmaleimide, crystalline, 98% (HPLC) E G N-Ethylmaleimide, crystalline, 98% (HPLC) E1271-5G N-Ethylmaleimide, BioXtra, 98% (HPLC) F ML Formaldehyde solution, for molecular biology, % in H 2 O G G L-Glutamine, meets USP testing specifications, cell culture tested, %, from non-animal source G8540-1KG L-Glutamine, meets USP testing specifications, cell culture tested, %, from non-animal source G3126-1KG L-Glutamine, ReagentPlus, 99% (HPLC) G G L-Glutathione reduced, 98.0% G G L-Glutathione reduced, BioXtra, 98.0% G6279-1L Glycerol, BioXtra, 99% (GC) G6279-4X4L Glycerol, BioXtra, 99% (GC) G ML Glycerol, for molecular biology, 99% G5516-1L Glycerol, for molecular biology, 99% G9012-1L Glycerol, 99.5% G2025-1L Glycerol, BioReagent, suitable for cell culture, suitable for insect cell culture, suitable for electrophoresis, % (GC) G8898-1KG Glycine, for electrophoresis, 99% G7126-1KG Glycine, ReagentPlus, 99% (HPLC) G7126-5KG Glycine, ReagentPlus, 99% (HPLC) G ML Guanidine hydrochloride solution, 8 M in H 2 O (filtered) G G Guanidine hydrochloride, for molecular biology, 99% G G Guanidine hydrochloride, 99% (titration), organic base and chaeotropic agent G4505-1KG Guanidine hydrochloride, 99% (titration), organic base and chaeotropic agent RDD001-1KG Guanidine hydrochloride, anhydrous, free-flowing, Redi-Dri, 99% Free Flowing G G Guanidine thiocyanate, for molecular biology, 99% H ML Hydrochloric acid, %, BioReagent, for molecular biology H ML Hydrochloric acid solution, 1.0 N, BioReagent, suitable for cell culture H G Hydroquinone, ReagentPlus, 99% I MG Insulin from bovine pancreas, 25 USP units/mg (HPLC), powder I MG Insulin from bovine pancreas, 25 USP units/mg (HPLC), powder I MG Insulin human, meets USP testing specifications I5502-5G Isopropyl β-d-1-thiogalactopyranoside, 99% (TLC) I G Isopropyl β-d-1-thiogalactopyranoside, 99% (TLC)

8 Sigma-Aldrich provides the most comprehensive product range of lab reagents including acids and bases, organic & inorganic reagents, adsorbents, drying agents and more. Biological Reagents, cont. I G IPTG, 99% (TLC), 0.1% Dioxane I6758-5G IPTG, 99% (TLC), 0.1% Dioxane L G Lithium chloride, for molecular biology, 99% M G Magnesium chloride hexahydrate, BioReagent, suitable for cell culture, suitable for insect cell culture M G Magnesium sulfate, BioReagent, suitable for cell culture, suitable for insect cell culture M ML 2-Mercaptoethanol, for molecular biology, for electrophoresis, suitable for cell culture, BioReagent, % (GC/titration) M MG Methotrexate, meets USP testing specifications M MG Methotrexate, meets USP testing specifications 1, N8878-5G Nalidixic acid, 98% N G Nickel(II) chloride hexahydrate, BioReagent, suitable for cell culture N7004-1G β-nicotinamide adenine dinucleotide hydrate, 96.5% (HPLC), 96.5% (spectrophotometric assay), % (enzymatic), from yeast A G Noble agar O G Oleic acid, 99% (GC) L Oleic acid, technical grade, 90% O5015-1G Oxybutynin chloride, meets EP, USP testing specifications P G Paraformaldehyde, reagent grade, crystalline P6148-1KG Paraformaldehyde, reagent grade, crystalline P G Phenol, for molecular biology P0657-5G Phthaldialdehyde, suitable for HPLC fluorimetric detection of amino acids, 99% (HPLC), powder P G Potassium chloride, BioXtra, 99.0% P9541-1KG Potassium chloride, for molecular biology, 99.0% P0380-1KG L-Proline, ReagentPlus, 99% (HPLC) P0380-5KG L-Proline, ReagentPlus, 99% (HPLC) 3, P1386-1L Propionic acid, 99.5% P G Pyridoxine hydrochloride, BioReagent, suitable for cell culture, suitable for insect cell culture, suitable for plant cell culture P G Sodium pyruvate, powder, BioReagent, suitable for cell culture, suitable for insect cell culture, 99% P G Sodium pyruvate, powder, BioReagent, suitable for cell culture, suitable for insect cell culture, 99% S G Silver nitrate, BioXtra, >99% (titration) 1, S G Sodium azide, ReagentPlus, 99.5% S G Sodium azide, ReagentPlus, 99.5% B5887-1G Sodium butyrate, 98.5% (GC) B5887-5G Sodium butyrate, 98.5% (GC) S7653-5KG Sodium chloride, BioXtra, 99.5% (AT) S5150-1L Sodium chloride solution, 5 M in H 2 O, BioReagent, for molecular biology, suitable for cell culture S6191-5KG Sodium chloride, BioPerformance Certified, 99% (titration), Cell Culture Tested S G Sodium fluoride, BioReagent, suitable for insect cell culture, 99% S ML Sodium hydroxide solution, 1.0 N, BioReagent, suitable for cell culture T ML N,N,N,N -Tetramethylethylenediamine, BioReagent, suitable for electrophoresis, ~99% T ML N,N,N,N -Tetramethylethylenediamine, BioReagent, for molecular biology, 99% (GC) T G Trichloroacetic acid, BioXtra, 99.0% S G Trisodium citrate dihydrate, meets USP testing specifications U0631-5KG Urea, BioXtra, ph (20 C, 5 M in H 2 O) U0631-1KG Urea, BioXtra, ph (20 C, 5 M in H 2 O) U6504-1KG Urea, for electrophoresis U5378-1KG Urea, powder, BioReagent, for molecular biology, suitable for cell culture Z G Zinc sulfate heptahydrate, BioReagent, suitable for cell culture

9 Core Bioreagents from Sigma-Aldrich bring you the most complete range of high quality products you use every day including buffers, detergents, albumins and more. Buffers B G BIS-TRIS hydrochloride, 99.0% (titration) RDD G BIS-TRIS, anhydrous, free-flowing, Redi-Dri, 98.0% Free Flowing RDD013-1KG BIS-TRIS, anhydrous, free-flowing, Redi-Dri, 98.0% Free Flowing 1, B4429-1KG BIS-TRIS, BioPerformance Certified, cell culture tested, suitable for insect cell culture, 98.0% 1, B G Boric acid, BioReagent, for molecular biology, suitable for cell culture, suitable for plant cell culture, 99.5% RDD G CAPS, anhydrous, free-flowing, Redi-Dri, 98.0% Free Flowing RDD015-1KG CAPS, anhydrous, free-flowing, Redi-Dri, 98.0% Free Flowing C CAP Carbonate-Bicarbonate Buffer, capsule E G Ethanolamine hydrochloride, 99.0% H ML HEPES solution, BioPerformance Certified, 1 M, suitable for cell culture, 0.2 μm filtered RDD002-1KG HEPES, anhydrous, free-flowing, Redi-Dri, 99.5% Free Flowing RDD KG HEPES, anhydrous, free-flowing, Redi-Dri, 99.5% Free Flowing 1, H4034-1KG HEPES, BioPerformance Certified, 99.5% (titration), cell culture tested I G Imidazole, for molecular biology, 99% (titration) M G MES hydrate, BioPerformance Certified, suitable for cell culture, 99.5% M G MES sodium salt, BioPerformance Certified, suitable for cell culture M G MES, low moisture content, 99% (titration) RDD G MOPS sodium salt, anhydrous, free-flowing, Redi-Dri, 99.5% Free Flowing RDD018-1KG MOPS sodium salt, anhydrous, free-flowing, Redi-Dri, 99.5% Free Flowing RDD003-1KG MOPS, anhydrous, free-flowing, Redi-Dri, 99.5% Free Flowing RDD KG MOPS, anhydrous, free-flowing, Redi-Dri, 99.5% Free Flowing 1, M3183-1KG MOPS, BioPerformance Certified, cell culture tested, 99.5% (titration) P TAB Phosphate buffered saline, tablet P PAK Phosphate buffered saline, ph 7.4, contains BSA, powder P3563-5X10PAK Phosphate buffered saline, ph 7.4, contains TWEEN 20, dry powder P5493-1L Phosphate buffered saline, 10 concentrate, BioPerformance Certified, suitable for cell culture P5493-4L Phosphate buffered saline, 10 concentrate, BioPerformance Certified, suitable for cell culture P5368-5X10PAK Phosphate buffered saline, BioPerformance Certified, ph P3813-5X10PAK Phosphate buffered saline, powder, ph 7.4, for preparing 1 L solutions RDD004-1KG PIPES, anhydrous, free-flowing, Redi-Dri, 99% Free Flowing RDD G Potassium phosphate monobasic, anhydrous, free-flowing, Redi-Dri, ReagentPlus, % (titration) Free Flowing RDD020-1KG Potassium phosphate monobasic, anhydrous, free-flowing, Redi-Dri, ReagentPlus, % (titration) Free Flowing RDD G Potassium phosphate tribasic, anhydrous, free-flowing, Redi-Dri, reagent grade, 98% Free Flowing RDD019-1KG Potassium phosphate tribasic, anhydrous, free-flowing, Redi-Dri, reagent grade, 98% Free Flowing RDD KG Potassium phosphate tribasic, anhydrous, free-flowing, Redi-Dri, reagent grade, 98% Free Flowing P ML Propylene Glycol, meets USP testing specifications RDD G Sodium phosphate dibasic, anhydrous, free-flowing, Redi-Dri, ReagentPlus, 99.0% Free Flowing RDD022-1KG Sodium phosphate dibasic, anhydrous, free-flowing, Redi-Dri, ReagentPlus, 99.0% Free Flowing RDD KG Sodium phosphate dibasic, anhydrous, free-flowing, Redi-Dri, ReagentPlus, 99.0% Free Flowing RDD007-1KG Sodium phosphate monobasic, anhydrous, free-flowing, Redi-Dri, 99.0% Free Flowing RDD KG Sodium phosphate monobasic, anhydrous, free-flowing, Redi-Dri, 99.0% Free Flowing RDD G Tricine, anhydrous, free-flowing, Redi-Dri, 99% Free Flowing RDD024-1KG Tricine, anhydrous, free-flowing, Redi-Dri, 99% Free Flowing T G Tricine, BioPerformance Certified, cell culture tested, 99% (titration) ML Triethanolamine, 99.0% (GC) T5912-1L Tris Buffered Saline, 10, solution T PAK Tris Buffered Saline, with BSA, ph 8.0, powder

10 Major savings off list price for our most popular solvents, acids and bases, lab reagents and our core bioreagents, such as buffers, detergents and albumins. Buffers, cont. T PAK Tris Buffered Saline, with Tween 20, ph 8.0, powder T PAK Tris Buffered Saline, ph 8.0, powder T4415-1L Tris-Borate-EDTA buffer, BioReagent, suitable for electrophoresis, 10 concentrate RDD008-1KG Trizma base, anhydrous, free-flowing, Redi-Dri, 99.9% Free Flowing RDD KG Trizma base, anhydrous, free-flowing, Redi-Dri, 99.9% Free Flowing T6066-1KG Trizma base, BioPerformance Certified, meets EP, USP testing specifications, cell culture tested, % (titration) T1503-1KG Trizma base, Primary Standard and Buffer, 99.9% (titration), crystalline T2663-1L Trizma hydrochloride solution, ph 7.4, 1 M, BioReagent, for molecular biology T3038-1L Trizma hydrochloride solution, ph 8.0, 1 M, BioReagent, for molecular biology RDD009-1KG Trizma hydrochloride, anhydrous, free-flowing, Redi-Dri, 99.0% Free Flowing RDD KG Trizma hydrochloride, anhydrous, free-flowing, Redi-Dri, 99.0% Free Flowing T5941-1KG Trizma hydrochloride, BioPerformance Certified, cell culture tested, 99.0% (titration) Carbohydrates B4501-1G Biotin, 99% (TLC), lyophilized powder B4639-5G Biotin, powder, BioReagent, suitable for cell culture, suitable for insect cell culture, suitable for plant cell culture, 99% C G Carboxymethylcellulose sodium, meets USP testing specifications, Medium viscosity C G D-(+)-Cellobiose, 98% C7252-1KG D-(+)-Cellobiose, 98% 2, D4911-1G Dextran sulfate sodium salt from Leuconostoc spp., mol wt 6,500-10, D G Dextran sulfate sodium salt from Leuconostoc spp., for molecular biology, average Mw >500, (dextran starting material), contains 0.5-2% phosphate buffer D G Dextran sulfate sodium salt from Leuconostoc spp., for molecular biology, average Mw >500, (dextran starting material), contains 0.5-2% phosphate buffer D G Dextran sulfate sodium salt from Leuconostoc spp., average Mw 9,000-20,000 1, D8787-5G Dextran sulfate sodium salt from Leuconostoc spp D G Dextrose, meets EP, BP, JP, USP testing specifications, anhydrous F0127-1KG D-( )-Fructose, 99% F9048-1KG D-( )-Fructose, meets USP testing specifications G0625-1KG D-(+)-Galactose, 98% G0625-5KG D-(+)-Galactose, 98% 1, G5388-1KG D-(+)-Galactose, powder, anhydrous, BioReagent, suitable for cell culture, suitable for insect cell culture G G D-(+)-Galactose, 99% G8270-1KG D-(+)-Glucose, 99.5% (GC) G7528-1KG D-(+)-Glucose, BioXtra, 99.5% (GC) G X1ML Glutaraldehyde solution, Grade I, 25% in H 2 O, specially purified for use as an electron microscopy fixative G ML Glutaraldehyde solution, Grade I, 25% in H 2 O, specially purified for use as an electron microscopy fixative G X10ML Glutaraldehyde solution, Grade I, 25% in H 2 O, specially purified for use as an electron microscopy fixative G ML Glutaraldehyde solution, Grade I, 70% in H 2 O, specially purified for use as an electron microscopy fixative or other sophisticated use G6257-1L Glutaraldehyde solution, Grade II, 25% in H 2 O H KU Heparin sodium salt from porcine intestinal mucosa, Grade I-A, 180 USP units/mg, powder, BioReagent, suitable for cell culture H3149-1MU Heparin sodium salt from porcine intestinal mucosa, Grade I-A, 180 USP units/mg, powder, BioReagent, suitable for cell culture H3393-1MU Heparin sodium salt from porcine intestinal mucosa, Grade I-A, 180 USP units/mg H KU Heparin sodium salt from porcine intestinal mucosa, Grade I-A, 180 USP units/mg H4784-1G Heparin sodium salt from porcine intestinal mucosa, 180 USP units/mg

11 Whether you need HPLC, ACS, anhydrous, reagent grade solvents or another Sigma-Aldrich grade, we stock the right product for your application. Carbohydrates, cont. I3750-2G Indoxyl β-d-glucoside, 97% 1, M5895-1KG D-(+)-Maltose monohydrate, powder, BioReagent, suitable for cell culture, suitable for insect cell culture, 98% M5885-1KG D-(+)-Maltose monohydrate, from potato, 99% M G D-Mannitol, 98% M9647-1KG D-Mannitol, ACS reagent I G myo-inositol, BioReagent, suitable for cell culture, suitable for insect cell culture, suitable for plant cell culture I7508-1KG myo-inositol, BioReagent, suitable for cell culture, suitable for insect cell culture, suitable for plant cell culture P G Potassium gluconate, meets USP testing specifications, anhydrous G Sucrose, puriss., meets analytical specification of Ph. Eur., BP, NF S1876-1KG D-Sorbitol, 98% S6021-1KG D-Sorbitol, for molecular biology, 98% S6021-5KG D-Sorbitol, for molecular biology, 98% S4126-2KG Starch from corn S0389-1KG Sucrose, for molecular biology, 99.5% (GC) S0389-5KG Sucrose, for molecular biology, 99.5% (GC) S5016-1KG Sucrose, ACS reagent S7903-1KG Sucrose, BioXtra, 99.5% (GC) S1888-1KG Sucrose, BioReagent, suitable for cell culture, suitable for insect cell culture, 99.5% (GC) Detergents P G Brij L23, suitable for Stein-Moore chromatography B4184-1L Brij L23 solution, 30 % (w/v) in H 2 O ML Brij L4, average Mn ~ C G Cetylpyridinium chloride, meets USP testing specifications C3023-5G CHAPS hydrate, 98% (HPLC) C G CHAPS hydrate, 98% (HPLC) 2, C9426-5G CHAPS hydrate, BioReagent, suitable for electrophoresis, 98% (TLC) C5070-5G CHAPS hydrate, BioXtra, 98% (TLC) G Sodium dodecyl sulfate, ACS reagent, 99.0% H G Hexadecyltrimethylammonium bromide, BioXtra, 99% H G Hexadecyltrimethylammonium bromide, for molecular biology, 99% H G Hexadecyltrimethylammonium bromide, for molecular biology, 99% H G Hexadecyltrimethylammonium bromide, 98% I ML IGEPAL CA-630, viscous liquid I ML IGEPAL CA-630, for molecular biology I ML IGEPAL CA-630, for molecular biology L G N-Lauroylsarcosine, neat, 95% L G Lithium dodecyl sulfate, 98.5% (GC) L G Lithium dodecyl sulfate, BioReagent, for molecular biology, suitable for electrophoresis O G 1-Octanesulfonic acid sodium salt, ~98% O G 1-Octanesulfonic acid sodium salt, BioXtra O MG Octyl β-d-glucopyranoside, BioXtra, 98% (GC) O8001-1G Octyl β-d-glucopyranoside, 98% (GC) P G Sodium pentanesulfonate, 95% (elemental analysis) P5413-1KG Poly(ethylene glycol), for molecular biology, average mol wt 8, P ML TWEEN 20, viscous liquid, cell culture tested

12 Detergents, cont. P ML TWEEN 20, viscous liquid P ML TWEEN 20, viscous liquid P1379-1L TWEEN 20, viscous liquid P ML TWEEN 20, for molecular biology, viscous liquid P ML TWEEN 80, viscous liquid PVP40-100G Polyvinylpyrrolidone, average mol wt 40, P G Povidone, meets USP testing specifications L RBS 50 solution, concentrate H G Sodium 1-heptanesulfonate D G Sodium deoxycholate, 97% (titration) D G Sodium deoxycholate, 97% (titration) G Sodium deoxycholate, BioXtra, 98.0% (dry matter, NT) G Sodium deoxycholate, BioXtra, 98.0% (dry matter, NT) L6026-1KG Sodium dodecyl sulfate, BioXtra, 99.0% (GC) RDD G Sodium dodecyl sulfate, anhydrous, free-flowing, Redi-Dri, ACS reagent, 99.0% Free Flowing L3771-1KG Sodium dodecyl sulfate, BioReagent, suitable for electrophoresis, for molecular biology, 98.5% (GC) L G Sodium dodecyl sulfate, BioReagent, suitable for electrophoresis, for molecular biology, 98.5% (GC) L4509-1KG Sodium dodecyl sulfate, ReagentPlus, 98.5% (GC) KG Sodium dodecyl sulfate, tested according to NF, mixture of sodium alkyl sulfates consisting mainly of sodium dodecyl sulfate P G Sodium pentanesulfonate, BioXtra G Thesit, for membrane research ML Triton X X ML Triton X-100, laboratory grade X100-1L Triton X-100, laboratory grade T ML Triton X-100, for molecular biology X ML Triton X-114, laboratory grade T ML Triton X-100, BioXtra T9284-1L Triton X-100, BioXtra P ML TWEEN 80, viscous liquid, Preservative Free, Low-peroxide; Low-carbonyls P ML TWEEN 20, BioXtra, viscous liquid P ML TWEEN 80 solution, 10%, low peroxide ML Polyoxyethylene (20) sorbitan monolaurate solution, ampule, ~10% in H 2 O MilliporeSigma 400 Summit Drive Burlington, MA To place an order or receive technical assistance Order/Customer Service: SigmaAldrich.com/order Technical Service: SigmaAldrich.com/techservice Safety-related Information: SigmaAldrich.com/safetycenter SigmaAldrich.com 2018 Merck KGaA, Darmstadt, Germany and/or its affiliates. All Rights Reserved. MilliporeSigma, the vibrant M, Sigma-Aldrich, Trizma, ReagentPlus and Redi-Dri are trademarks of Merck KGaA, Darmstadt, Germany or its affiliates. All other trademarks are the property of their respective owners. Detailed information on trademarks is available via publicly accessible resources. Lit. No. QFY Ver /2018