Pyridine (3-oxo-1,3-dihydroiSobenzofuran-1,1-diyl)bis(4,1-phenylene) bis(phosphate) CAS 267240-23-3

Purity 97%+In StockPharmaceutical Standards
CAS No.267240-23-3
Molecular FormulaC20H16O10P2 C5H5N
Molecular WeightN/A
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Pyridine (3-oxo-1,3-dihydroiSobenzofuran-1,1-diyl)bis(4,1-phenylene) bis(phosphate) CAS 267240-23-3 chemical structure

Description

Pyridine (3-oxo-1,3-dihydroiSobenzofuran-1,1-diyl)bis(4,1-phenylene) bis(phosphate) (CAS 267240-23-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C20H16O10P2 C5H5N. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC20H16O10P2 C5H5N
Molecular Weight557.39 g/mol
AppearancePale yellow to yellow crystalline powder
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)16.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Nitrogen Atoms1

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