Metoprolol EP Impurity E CAS 163685-38-9

Purity >95%In StockPharmacopoeial Impurity Standards
CAS No.163685-38-9
Molecular FormulaC15H25NO3
Molecular Weight267.36 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Metoprolol EP Impurity E CAS 163685-38-9 chemical structure

Description

Metoprolol EP Impurity E (CAS 163685-38-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C15H25NO3. Molecular weight: 267.36 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC15H25NO3
Molecular Weight267.36 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity>95%
StorageStore at 2-8°C, protect from light, keep sealed and dry
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)4.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2003
Nitrogen Atoms1

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