3,3',3''-Phosphinetriyltribenzenesulfonic acid CAS 91171-35-6

Purity 97%+In StockPharmaceutical Standards
CAS No.91171-35-6
Molecular FormulaC18H15O9PS3
Molecular Weight502.48 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3,3',3''-Phosphinetriyltribenzenesulfonic acid CAS 91171-35-6 chemical structure

Description

3,3',3''-Phosphinetriyltribenzenesulfonic acid (CAS 91171-35-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18H15O9PS3. Molecular weight: 502.48 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC18H15O9PS3
Molecular Weight502.48 g/mol
Purity97%+
StorageStore at room temperature, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)11.5
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1983
Sulfur Atoms3

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