OKADAIC ACID, Ammonium Salt OKA002 Salt form slightly more stable in organic solvents than free acid. -20 °C CAS number: [155716-06-6] C44H67NO13.NH4 MW: 822.04 Purity: > 98%

OKADAIC ACID, Free Acid OKA001 Selective inhibitor of protein phosphatase Type 1 and Type 2A -20 °C CAS number: [78111-17-8] C44H68O13 MW: 805.1 Purity: > 98%

OKADAIC ACID, Potassium Salt OKA003 -20 °C CAS number: [155751-72-7] C44H67O13K MW: 843.11 Purity: > 98%

OKADAIC ACID, Sodium Salt OKA004 -20 °C CAS number: [209266-80-8] C44H67O13Na MW: 827 Purity: > 98%

OLOMOUCINE OLO244 [N2-(hydroxyethyl)-N6-benzyl-adenine] -20 °C CAS number: [101622-51-9] C15H18N6O MW: 298.3 Purity: ≥ 98% Solubility: methanol/DMSO

o-NITROPHENYL-ß-D-GALACTOPYRANOSIDE (ONPG) ONP301 Substrate used in the detection of ß-galactosidase -20 °C C12H15NO8 MW: 301.25

ORANGE G, Sodium salt ORA787 High purity Grade. Suitable for use as tracking dye in nucleic gel electrophoresis. -20 °C CAS number: [1936-15-8] C16H10N2O7S2Na MW: 452.4 Dye content: min. 80%

PACLITAXEL (TAXOL) PAX960 Antitumor and antileukemic agent isolated from the bark of the yew tree. 4 °C CAS number: [33069-62-4] C47H51NO14 MW: 853.92 Purity: min. 98% Solubility: DMSO or ethanol Unstable in methanol and water.

CAS Number: [150-13-0] C 7 H 7 NO 2 MW: 137.14 Purity: min. 99% Loss on drying: max.0.5% Appearance: white to off-white powder Sulfated ash: max.0.2%

PAROMOMYCIN SULFATE PAR777 Antibiotic similar to Kanamycin and Neomycin. Effective against gram negative and gram positive bacteria. Used as a selective agent. 4 °C CAS number: [1263-89-4] C23H45N5O14.H2SO4 MW 713.71 Potency: min. 95% Solubility: 50 mg/ml water Activity: > 675 µg/mg

10X Solution pH 7.4 Sterile without Calcium, Magnesium

PENICILLIN G, Sodium Salt PEN333 CAS number: [69-57-8] 4 °C C16H17N2O4SNa MW: 356.4 Activity: 1,500 - 1,750 U/mg Inhibits cell wall synthesis in Gram - positive bacteria. Suitable for cell culture.

PENICILLIN STREPTOMYCIN SOLUTION, 100X PST999 -20 °C Contains 10,000 units penicillin and 10 mg streptomycin/ml in 0.9% sodium chloride. For use in cell culture. Sterile-filtered, endotoxin tested.

PEPSTATIN A, Synthetic Source PEP605 CAS number: [26305-03-3] Aspartic acid protease Inhibitor - 20 °C C34H63N5O9 MW: 685.9 Purity (HPLC): 95% min. Solubility: DMSO, methanol (1mM)

PEPTONE (Bacteriological) PEP403 Total Nitrogen: min. 13.0% pH (2% Soln.): 6.5 - 7.1 Ash content: < 4.0%

pH STANDARD KIT (3x500ml) PHS001 Contains 500 ml each of pH 4.0,  pH 7.0, pH 10.0. Standards. Color coded, accuracy to NIST Standards.

pH STANDARD, 10.0 PHS010 pH at 25 °C: 9.97 - 10.03 Color coded, accuracy to NIST. Standards.

pH STANDARD, 4.0 PHS004 pH at 25 °C: 3.97 - 4.03 Color coded, accuracy to NIST. Standards.

pH STANDARD, 7.0 PHS007 pH at 25 °C: 6.97-7.03 Color coded, accuracy to NIST.