Donepezil Impurity 39 CAS 923571-15-7

Purity 97%+In StockPharmacopoeial Impurity Standards
CAS No.923571-15-7
Molecular FormulaC17H15NO4
Molecular Weight297.31 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Donepezil Impurity 39 CAS 923571-15-7 chemical structure

Description

Donepezil Impurity 39 (CAS 923571-15-7) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C17H15NO4. Molecular weight: 297.31 g/mol. Each batch is supplied with a Certificate of Analysis (COA).

Physical & Chemical Properties

Molecular FormulaC17H15NO4
Molecular Weight297.31 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)11.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1987
Nitrogen Atoms1

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