Benzyl 3-methyl-9-oxo-9H-xanthene-2-carboxylate CAS 1281872-32-9

Purity 97%+In StockPharmaceutical Standards
CAS No.1281872-32-9
Molecular FormulaC22H16O4
Molecular Weight344.36 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Benzyl 3-methyl-9-oxo-9H-xanthene-2-carboxylate CAS 1281872-32-9 chemical structure

Description

Benzyl 3-methyl-9-oxo-9H-xanthene-2-carboxylate (CAS 1281872-32-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C22H16O4. Molecular weight: 344.36 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC22H16O4
Molecular Weight344.36 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 chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)15.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1990

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