Efavirenz Impurity 8 CAS 211563-40-5

Purity 97%+In StockPharmacopoeial Impurity Standards
CAS No.211563-40-5
Molecular FormulaC15H13ClF3NO3
Molecular Weight347.72 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Efavirenz Impurity 8 CAS 211563-40-5 chemical structure

Description

Efavirenz Impurity 8 (CAS 211563-40-5) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C15H13ClF3NO3. Molecular weight: 347.72 g/mol. Each batch is supplied with a Certificate of Analysis (COA).

Physical & Chemical Properties

Molecular FormulaC15H13ClF3NO3
Molecular Weight347.72 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor, low volatility)
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; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2017
Halogen ContentF/Cl-containing
Nitrogen Atoms1

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