Entecavir Impurity 57 CAS 84868-56-4

Purity 97%+In StockPharmacopoeial Impurity Standards
CAS No.84868-56-4
Molecular FormulaC21H20O2
Molecular Weight304.38 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Entecavir Impurity 57 CAS 84868-56-4 chemical structure

Description

High-purity Entecavir Impurity 57 (CAS 84868-56-4) pharmacopoeial impurity standards reference standard. Molecular formula: C21H20O2. Molecular weight: 304.38 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.

Physical & Chemical Properties

Molecular FormulaC21H20O2
Molecular Weight304.38 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light
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)12.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1981

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