Efavirenz Impurity 12 CAS 221177-56-6

Purity >95%In StockPharmacopoeial Impurity Standards
CAS No.221177-56-6
Molecular FormulaC21H19ClF3NO2
Molecular Weight409.83 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Efavirenz Impurity 12 CAS 221177-56-6 chemical structure

Description

High-purity Efavirenz Impurity 12 (CAS 221177-56-6) pharmacopoeial impurity standards reference standard. Molecular formula: C21H19ClF3NO2. Molecular weight: 409.83 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.

Physical & Chemical Properties

Molecular FormulaC21H19ClF3NO2
Molecular Weight409.83 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor, low volatility)
Purity>95%
StorageStore at room temperature, 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; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)11.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2020
Halogen ContentF/Cl-containing
Nitrogen Atoms1

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