4,4'-(Phenylphosphoryl)dibenzoic acid CAS 803-19-0

Purity 97%+In StockPharmaceutical Standards
CAS No.803-19-0
Molecular FormulaC20H15O5P
Molecular Weight366.30 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4,4'-(Phenylphosphoryl)dibenzoic acid CAS 803-19-0 chemical structure

Description

4,4'-(Phenylphosphoryl)dibenzoic acid (CAS 803-19-0) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C20H15O5P. Molecular weight: 366.30 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.

Physical & Chemical Properties

Molecular FormulaC20H15O5P
Molecular Weight366.30 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, 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)13.5
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1957

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