4,4'-Oxydiphthalic acid CAS 7717-76-2

Purity 97%+In StockPharmaceutical Standards
CAS No.7717-76-2
Molecular FormulaC16H10O9
Molecular Weight346.25 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4,4'-Oxydiphthalic acid CAS 7717-76-2 chemical structure

Description

4,4'-Oxydiphthalic acid (CAS 7717-76-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C16H10O9. Molecular weight: 346.25 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC16H10O9
Molecular Weight346.25 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)12.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1959

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