Phosphatidylinositol (Soy) Sodium United States Pharmacopeia (USP) Reference Standard

Phosphatidylinositol sodium salt from soybean

Phosphazene base P₁-t-Bu ≥97.0% (GC)

Phosphazene base P₁-t-Bu-tris(tetramethylene) ≥97.0% (NT)

Phosphazene base P₂-Et ≥98.0% (NT)

Phosphazene base P₂-t-Bu solution ~2.0 M in THF

Phosphazene base P₄-t-Bu solution ~0.8 M in hexane

Phospho(enol)pyruvic acid monopotassium salt 99%

Phospho(enol)pyruvic acid monopotassium salt ≥97% (enzymatic)

Phospho(enol)pyruvic acid monosodium salt hydrate ≥97% (enzymatic)

Phospho(enol)pyruvic acid tri(cyclohexylammonium) salt ≥98% (enzymatic)

Phospho(enol)pyruvic acid trisodium salt hydrate ≥97% (enzymatic)

Phospho-Stat3 (pTyr⁷⁰⁵) ELISA Kit for detection of phospho-stat3 (pTyr⁷⁰⁵) in human, mouse or rat cell and tissue lysates

Phosphocholine chloride calcium salt tetrahydrate Sigma Grade

Phosphocreatine di(tris) salt ≥97% (enzymatic)

Phosphocreatine disodium salt hydrate ≥97%

Phosphodiesterase I from Crotalus adamanteus venom Type VI, crude dried venom

Phosphodiesterase I from Crotalus adamanteus venom vial of ≥100 units, Purified

Phosphodiesterase II from bovine spleen lyophilized powder, ≥5.0 units/mg protein

Phosphoenol-pyruvate 97% (PEP-K), pkg of 1 g

Phosphoglucomutase from rabbit muscle ammonium sulfate suspension, ≥100 units/mg protein

Phosphoglucose Isomerase from baker’s yeast (S. cerevisiae) for use with Fructose Assay Kit FA-20

Phospholipase A1 from Aspergillus oryzae

Phospholipase A₂ from bovine pancreas lyophilized powder, ≥20 units/mg protein

Phospholipase A₂ from honey bee venom (Apis mellifera) salt-free, lyophilized powder, 600-2400 units/mg protein

Phospholipase A₂ from porcine pancreas ammonium sulfate suspension, ≥600 units/mg protein

Phospholipase C from Bacillus cereus ≥200 units/mg protein

Phospholipase C from Clostridium perfringens (C. welchii) Type I, lyophilized powder, 10-50 units/mg protein

Phospholipase D Activity Assay Kit sufficient for 100 colorimetric or fluorometric tests

Phospholipase D from Arachis hypogaea (peanut) Type II, lyophilized powder, ≥60 units/mg protein

Phospholipase D from cabbage Type IV, lyophilized powder, ≥100 units/mg solid

Phospholipase D from Streptomyces chromofuscus ≥50,000 units/mL, buffered aqueous glycerol solution

Phospholipase D from Streptomyces sp. Type VII, lyophilized powder, ≥150 units/mg solid

Phospholipid Assay Kit sufficient for 100 colorimetric or fluorometric tests

Phosphomolybdic acid hydrate ACS reagent

Phosphomolybdic acid hydrate suitable for microscopy

Phosphomolybdic acid hydrate ≥99.99% trace metals basis

Phosphomolybdic acid solution 20 wt. % in ethanol

Phosphomolybdic acid solution ready-to-use spray and plunge reagent

Phosphomolybdic acid solution spray reagent, 10% in ethanol

Phosphomycin disodium salt antibacterial MurA inhibitor

Phosphonitrilic chloride trimer 99%

Phosphonoacetic acid 98%

Phosphonoacetic acid TraceCERT®, ³¹P-qNMR Standard, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland

Phosphoramide mustard cyclohexylamine ≥95% (HPLC)