Cetirizine EP Impurity C CAS 83881-59-8

Purity >90%In StockPharmacopoeial Impurity Standards
CAS No.83881-59-8
Molecular FormulaC21H25ClN2O3
Molecular Weight388.89 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Cetirizine EP Impurity C CAS 83881-59-8 chemical structure

Description

Cetirizine EP Impurity C (CAS 83881-59-8) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C21H25ClN2O3. Molecular weight: 388.89 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.

Physical & Chemical Properties

Molecular FormulaC21H25ClN2O3
Molecular Weight388.89 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor)
Purity>90%
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)10.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1980
Halogen ContentCl-containing
Nitrogen Atoms2

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