Cyproheptadine impurity 11 CAS 19431-71-1

Purity 97%+In StockPharmacopoeial Impurity Standards
CAS No.19431-71-1
Molecular FormulaC20H19NO
Molecular Weight289.37 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Cyproheptadine impurity 11 CAS 19431-71-1 chemical structure

Description

Cyproheptadine impurity 11 (CAS 19431-71-1) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C20H19NO. Molecular weight: 289.37 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.

Physical & Chemical Properties

Molecular FormulaC20H19NO
Molecular Weight289.37 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)12.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1962
Nitrogen Atoms1

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