Diphenhydramine EP Impurity A HCl CAS 53499-40-4

Purity >95%In StockPharmacopoeial Impurity Standards
CAS No.53499-40-4
Molecular FormulaC16H19NO HCl
Molecular WeightN/A
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Diphenhydramine EP Impurity A HCl CAS 53499-40-4 chemical structure

Description

CATO supplies Diphenhydramine EP Impurity A HCl (CAS 53499-40-4), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C16H19NO HCl. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC16H19NO HCl
Molecular Weight277.79 g/mol
Purity>95%
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
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)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1972
Halogen ContentCl-containing
Nitrogen Atoms1

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