p-AMINOBENZOIC ACID (PABA), Free Acid PAB222 (Vitamin BX, Vitamin H1) Suitable for cell culture C7H7NO2 MW: 137.1 Purity: min. 99% Color: white powder Solubiltiy: 2% water

CESIUM CHLORIDE Biotechnology Grade Suitable for plasmid and lambda phage preparation using density gradient centrifugation. CAS number: [7647-17-8] CsCl MW: 168.4 Purity: ≥ 99.9% A260 (50%, H 2 O): < 0.1% Lead: < 0.0001% Solubility (3 M, water): clear/colorless DNase, RNase activity: none detected

DL-ALANINE ALA202 C3H7NO2 MW 89.09 Purity: >99%

L-CYSTEINE, HCL Monohydrate CAS number: [7048-04-6] Synthetic C 3 H 7 NO 2 S . HCl . H 2 O MW: 175.63 Purity: ≥ 98.0% Heavy Metals: < 0.0015%

BRILLIANT GREEN, Certifiable Grade CAS number: [633-03-4] Malachite Green G C 27 H 34 N 2 O 4 S MW: 482.6 Dye content: ≥ 85%

POLYVINYLPYRROLIDONE High Purity Grade CAS number: [9003-39-8] Purity: > 99.0% pH (5%, H 2 O): 3.0 - 7.0 Heavy Metals (as Pb): < 0.001% MW: avg. 40,000 Viscosity: 26-35 K A component of Denhardt's Solution. Use for hybridization at concentration of 1% (w/v) for a 50X solution. Useful as a solubilizer and complexing agent in plant cell culture.

L-SERINE SER333 CAS number: [56-45-1] C3H7NO3 MW: 105.1 Purity: > 99%

SODIUM CARBONATE, Anhydrous, ACS Reagent Grade SOC512 CAS number: [497-19-8] Na2CO3 MW 106.0 Purity: min. 99.5%

L-CYSTEINE CAS number: [52-90-4] C 3 H 7 NO 2 S MW: 121.2 Purity: ≥ 98.0%

ADENINE, Free Base (Vitamin B 4 ) CAS number: [73-24-5] C 5 H 5 N 5 MW: 135.13 Purity: > 98% Heavy Metals: < 0.001% Sulfate: < 0.03% pH: < 1.0

L-HISTIDINE, Free Base CAS number: [71-00-1] C 6 H 9 N 3 O 2 MW: 155.2 Purity: ≥ 99.0%

CYTIDINE, Free Base, Ultra Pure CAS number: [65-46-3] C 9 H 13 N 3 O 5 MW: 243.2 Purity: ≥ 98% Heavy Metals: < 10 ppm

DIMETHYLFORMAMIDE (DMF), Reagent Grade CAS number: [68-12-2] HCON(CH 3 ) 2 MW: 73.09 Purity: > 99.9% Appearance: Clear/Colorless Moisture: < 500 ppm Color (ASTM, PtCo): 5 max. Density: 0.94 g/ml

TRIS ACETATE, Purified CAS number: [6850-28-8] C4H11NO3.C2H4O2 MW: 181.19 Purity: > 98% pH (1% Soln.): 6.5 +/- 0.5 Heavy Metals: < 5ppm

MAGNESIUM CHLORIDE, Hexahydrate, Biotechnology Grade CAS number: [7791-18-6] MgCl 2 . 6H 2 O MW: 203.3 Purity: > 99% DNase/RNase/protease: none detected

CESIUM CHLORIDE Biotechnology Grade Suitable for plasmid and lambda phage preparation using density gradient centrifugation. CAS number: [7647-17-8] CsCl MW: 168.4 Purity: ≥ 99.9% A260 (50%, H2O): < 0.1% Lead: < 0.0001% Solubility (3 M, water): clear/colorless DNase, RNase activity: none detected

D-(+)-CELLOBIOSE (4-O-ß-D-Glucopyranosyl-D-glucose) CAS number: [528-50-7] C 12 H 22 O 11 MW: 342.3 Purity: ≥ 98.0%

D-MALTOSE, Monohydrate, Molecular Biology Grade MAL212 CAS number: [6363-53-7] C12H22O11.H2O MW: 360.3 Purity: ≥ 98%