Producers

POLYETHYLENE GLYCOL 8000 PEG800 CAS number: [25322-68-3] Biotechnology Grade MW: 8000 Purity: > 99.0% pH (5%, H2O): 5.0 - 7.0 DNase, RNase activity: none detected

POLYMYXIN B SULFATE POL435 CAS number: [1405-20-5] 4 °C Activity: 6,000 USP Units/mg

Due to their insulating properties, polystyrene containers are particularly suitable for storing temperature – sensitive reagents and samples. The small container in particular, with a storage capacity o 20 screw cap micro tubes, can also be used as a practical rack on the laboratory bench. Cat. Number Capacity / format Lid L x W x H 95.1439 100 / 5 x 20 No 390 x 80 x 50 95.64.249 100 / 5 x 20 Yes 340 x 100 x 65 95.64.253 20 / 5 x 4 Yes 100 x 85 x 65

FICOLL 400 FIC400 Molecular Biology Grade MW: 400.000 Solubility (10%): Clear to slightly hazy Appearance: white to faint yellow Nuclease and protease: non detected

POLYVINYLPYRROLIDONE High Purity Grade PVP504 CAS number: [9003-39-8] Purity: > 99.0% pH (5%, H2O): 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.

PONASTERONE A PON123 CAS number: [13408-56-5] - 20 °C C27H44O6 MW: 464.6 Purity: > 99% Solubility: methanol, ethanol, acetic acid or DMSO Insoluble in water

CAS Number: [6226-79-5] C 22 H 12 N 4 Na 4 O 13 S 4 MW: 760.57 Solution: 0.1% (w/v) Ponceau S in 5%

PONCEAU S, Sodium Salt PON001 CAS number: [6226-79-5] C22H12N4Na4O13S4 MW: 760.61

POTASSIUM ACETATE, ACS, Reagent Grade POA301 CAS number: [127-08-2] KC2H3O2 MW: 98.14 Purity: ≥ 99% Chloride: < 0.001% Sulfate: < 0.001% Heavy Metals: < 0.0005%

POTASSIUM ACETATE, Molecular Grade, 99% POA303 CAS number: [127-08-2] KC2H3O2 MW: 98.14 Purity: ≥ 99% DNase, RNase, Protease: none detected Heavy metals: < 0.0005% Solubility (1 M water): clear/colorless

POTASSIUM ACETATE, Purified Grade POA302 CAS number: [127-08-2] KC2H3O2 MW: 98.14 Purity: min. 99.0%

POTASSIUM BICARBONATE PBC401 ACS, Reagent Grade CAS number: [298-14-6] KHCO3 MW: 100.12 Purity: 99.7 - 100.5%

POTASSIUM BROMIDE, ACS Reagent Grade POB301 CAS number: [7758-02-3] KBr MW: 119.0 Purity: ≥ 99% Insolubles: < 0.005% Heavy Metals (as Pb): < 0.001%

POTASSIUM CARBONATE, ACS Grade, Anhydrous POT888 CAS number: [584-08-7] K2CO3 MW: 138.2 Purity: > 99% Insolubles: < 0.01% Heavy Metals (as Pb): < 5 ppm

POTASSIUM CARBONATE, Reagent Grade, Anhydrous POT999 CAS number: [584-08-7] K2CO3 MW: 138.2 Purity: min 99%

POTASSIUM CHLORIDE, Biotechnology Grade POC888 CAS number: [7447-40-7] KCl MW: 74.55 Purity: ≥ 99.5% DNase, RNase, Protease: none detected Heavy Metals: < 10 ppm Solubility (1 M): clear/colorless

POTASSIUM CHLORIDE, Reagent Grade POC308 CAS number: [7447-40-7] KCl MW: 74.55 Purity: > 99.0% Insolubles: < 0.005% Heavy Metals: < 10 ppm

POTASSIUM FERRICYANIDE, Reagent, ACS Grade PFC444 CAS number: [13746-66-2] K3Fe(CN)6 MW: 329.2 Purity: min. 99.0% Insolubles: ≤ 0.005% Chloride: ≤ 0.01%