DEXTRAN SULFATE, Ultra Pure Molecular Biology Grade CAS number: [9011-18-1] Made from MW 500,000 Dextran Suitable for nucleic acid hybridization. Improves the hybridization rate of nucleic acids. Purity: > 98% pH (1% water): 6.4 - 8.0 Heavy metals: > 0.005% Moisture: < 10.0% Solubility: (10% water): clear/colorless

RUBIDIUM CHLORIDE, Molecular Biology Grade RUB123 CAS number: [7791-11-9] RbCl MW: 120.92 Purity: ≥ 99.0% Insolubles: < 0.01% DNase, RNase Activity: none detected

POTASSIUM CARBONATE, ACS Grade, Anhydrous CAS number: [584-08-7] K 2 CO 3 MW: 138.2 Purity: > 99% Insolubles: < 0.01% Heavy Metals (as Pb): < 5 ppm

CHOLINE CHLORIDE, Reagent Grade CAS number: [67-48-1] C5H14NOCl MW: 139.6 Purity: min. 98%

TRITON® X-114, Reagent Grade TRX507 CAS number: [9036-19-5] C14H22O(C2H4O)7-8 MW: 536.0 HLB: 12.4 Color (APHA): < 100 TRITON®- is a Registered Trademark of Union Carbide Chemicals and Plastics.

D(+)-GALACTOSE CAS number: [59-23-4] C 6 H 12 O 6 Purity: min. 99% MW: 180.16 Appearance: white Solubility (1M, water): clear/colorless D-Glucose: max. 0.1%