Epinastine Impurity 19 CAS 5840-40-4

Purity >95%In StockPharmacopoeial Impurity Standards
CAS No.5840-40-4
Molecular FormulaC13H11NO2
Molecular Weight213.23 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Epinastine Impurity 19 CAS 5840-40-4 chemical structure

Description

Epinastine Impurity 19 (CAS 5840-40-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C13H11NO2. Molecular weight: 213.23 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC13H11NO2
Molecular Weight213.23 g/mol
AppearancePale yellow to yellow crystalline powder
Purity>95%
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)9.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1958
Nitrogen Atoms1

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