Clobetasol Propionate EP Impurity B CAS 1356190-17-4

Purity >95%In StockPharmacopoeial Impurity Standards
CAS No.1356190-17-4
Molecular FormulaC22H26ClFO3
Molecular Weight392.89 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Clobetasol Propionate EP Impurity B CAS 1356190-17-4 chemical structure

Description

Clobetasol Propionate EP Impurity B (CAS 1356190-17-4) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C22H26ClFO3. Molecular weight: 392.89 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.

Physical & Chemical Properties

Molecular FormulaC22H26ClFO3
Molecular Weight392.89 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor, low volatility)
Purity>95%
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)9.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1991
Halogen ContentF/Cl-containing

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