Cetirizine Impurity 34 (Mixture of Diastereomers) CAS 1243652-36-9

Purity >90%In StockPharmacopoeial Impurity Standards
CAS No.1243652-36-9
Molecular FormulaC24H31ClN2O5
Molecular Weight462.97 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Cetirizine Impurity 34 (Mixture of Diastereomers) CAS 1243652-36-9 chemical structure

Description

CATO supplies Cetirizine Impurity 34 (Mixture of Diastereomers) (CAS 1243652-36-9), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C24H31ClN2O5. Molecular weight: 462.97 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC24H31ClN2O5
Molecular Weight462.97 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor)
Purity>90%
StorageStore in a cool place (≤25°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.)1990
Halogen ContentCl-containing
Nitrogen Atoms2

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