TRIS (Base), Ultra Pure TRS001 CAS number: [77-86-1] C4H11NO3 MW: 121.14 Purity: ≥ 99.9% Insolubles: ≤ 0.005% A290 (1M water.): ≤ 0.05% Heavy Metals (as Pb): ≤ 5 ppm Solubility (1.0M solution): clear/colorless DNase, RNase and Protease activity: none detected

TRIS HYDROCHLORIDE, Ultra Pure TRS002 CAS number: [1185-53-1] C4H11NO3. HCl MW: 157.64 Purity: ≥ 99.0% Residue on Ignition: < 0.1% pH (1.0M, H2O): 3.7-4.7 Heavy metals (as Pb): < 5 ppm Solubility (1.0 M aq. Soln.): clear/colorless UV Abs @ 260nm (1.0M): < 0.02 UV Abs @ 280nm (1.0M): < 0.02

TRYPTONE (Bacteriological) TRP402 Total Nitrogen: min.13% Amino Nitrogen: min. 4% pH (2% soln.): approx. 7.0 Standard Plate count: < 500 CFU/g Molds and Yeast: < 100 CFU/g Coliforms: < 10 CFU/g E. coli: negative Salmonella: negative/25g

TWEEN® -80, Reagent Grade TWN507 (Polyoxyethylene Sorbitan Monoleate) CAS number: [9005-65-6] Hydroxyl No: 65-80 HLB No: 15.0 Water: < 3.0% Heavy Metals: < 0.001% TWEEN®- is a Registered Trademark of Uniqema, a division of ICI Americas Inc.

TWEEN® 20, Biotechnology Grade TWN510 DNase/RNase/Protease free TWEEN®- is a Registered Trademark of Uniqema, a division of ICI Americas Inc.

UREA, Ultra Pure URE001 Molecular Biology Grade CAS number: [57-13-6] CH4N2O MW: 60.06 Purity: > 99.5% Insolubles: < 0.01% Sulfate: < 0.001% Chloride: < 0.0005% Sulfate-Ash: < 0.01% Heavy Metals: < 0.0005% DNase, RNase, Protease: none detected

WATER, Sterile WAT111 Tissue Culture Grade and Molecular Biology Grade. 18 megaohm rated. Autoclave sterile, endotoxin levels <0.1ng/ml

X-GAL 5-BROMO-4-CHLORO-3-INDOLYL-B-D-GALACTOPYRANOSIDE XGA001 CAS number: [7240-90-6] - 20 °C X-Gal is a substrate for B-galactosidase producing a blue color. Used as a selection agent in cloning experiments utilizing the LacZ vector. C14H15BrClNO6 MW: 408.6 Purity: ≥ 99%

XYLENE CYANOL FF XYC001 CAS number: [2650-17-1] Suitable for Molecular Biology. C25H27N2O6S2.Na MW: 538.6

D-(+) XYLOSE XYL001 CAS number: [58-86-6] C5H10O5 MW: 150.10 Purity: > 99.0%

YEAST EXTRACT YEX401 CAS number: [8013-01-2] Autolyzed yeast extract Suitable for cell culture and bacteriological use. Total Nitrogen: > 11.0% Solubility(10% Soln): Clear and complete upon heating. pH (2% Soln. In H2O): 6.0-7.5

YEAST NITROGEN BASE (YNB) YNB404 Without Amino Acids Without Ammonium Sulfate One Liter contains: Potassium phosphate dibasic: 1g Magnesium sulfate: 0.5g Sodium chloride: 0.1g Calcium chloride: 0.1g Inositol: 2mg Vitamins and trace elements: <1mg DIRECTIONS: Dissolve 1.74 g/L in deionized water. Filter sterilize. YNB contains heat-labile compounds that can be damaged with autoclaving.

YEAST NITROGEN BASE YNB406 Without Amino Acids With Ammonium Sulfate Potassium phosphate dibasic: 1g Ammonium sulfate: 5g Magnesium sulfate: 0.5g Sodium chloride: 0.1g Calcium chloride: 0.1g Inositol: 2mg Vitamins and trace elements: <1mg DIRECTIONS: Dissolve 6.7 g/L in deionized water. Filter sterilize. YNB contains heat-labile compounds that can be damaged with autoclaving.

HEPES, 1M Sterile Solution HEP003 pH: 7.2 - 7.4 Nuclease activity: none detected

C 14 H 15 NO 6 BrCl MW: 408.6 -20 °C Purity > 98%

SODIUM PHOSPHATE DIBASIC, Anhydrous, Biotechnology Grade SPD600 CAS number: [7782-79-4-6] Na2HPO4 MW: 142.0 Insolubles: < 0.01% Purity: ≥ 99.5% DNase/RNase/Protease: free

IMIDAZOLE, Biotechnology Grade IMD508 CAS number: [288-32-4] pKa: 6.95 Useful pH: 6.2 - 7.8 C3H4N2 MW: 68.08 Purity: min. 99% Melting Range: 88 - 92 °C Insolubles: < 0.1% DNase, RNase Activity: none detected Color: white to slightly off - white Solubility (0.1 M): clear/colorless

D(+)-GALACTOSE GAL502 CAS number: [59-23-4] C6H12O6 MW 180.16 Purity: min. 98% Appearance: white to off-white Solubility(1M): clear/yellow solution