Aspirin Impurity 11 CAS 85531-16-4

Purity >95%In StockPharmacopoeial Impurity Standards
CAS No.85531-16-4
Molecular FormulaC23H16O8
Molecular Weight420.37 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Aspirin Impurity 11 CAS 85531-16-4 chemical structure

Description

Aspirin Impurity 11 (CAS 85531-16-4) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C23H16O8. Molecular weight: 420.37 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.

Physical & Chemical Properties

Molecular FormulaC23H16O8
Molecular Weight420.37 g/mol
AppearancePale yellow to yellow crystalline powder
Purity>95%
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.)1981

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