Carbamazepine Impurity 11 CAS 33948-20-8

Purity 97%+In StockPharmacopoeial Impurity Standards
CAS No.33948-20-8
Molecular FormulaC15H11BrClNO
Molecular Weight336.61 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Carbamazepine Impurity 11 CAS 33948-20-8 chemical structure

Description

Carbamazepine Impurity 11 (CAS 33948-20-8) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C15H11BrClNO. Molecular weight: 336.61 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.

Physical & Chemical Properties

Molecular FormulaC15H11BrClNO
Molecular Weight336.61 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor, low volatility)
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)10.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1966
Halogen ContentCl/Br-containing
Nitrogen Atoms1

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