Ramipril EP Impurity E CAS 87269-97-4

Purity >45%In StockPharmacopoeial Impurity Standards
CAS No.87269-97-4
Molecular FormulaC21H28N2O5
Molecular Weight388.46 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Ramipril EP Impurity E CAS 87269-97-4 chemical structure

Description

Ramipril EP Impurity E (CAS 87269-97-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C21H28N2O5. Molecular weight: 388.46 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC21H28N2O5
Molecular Weight388.46 g/mol
AppearancePale yellow to yellow crystalline powder
Purity>45%
StorageStore at 2-8°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
Degree of Unsaturation (DBE)9.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1981
Nitrogen Atoms2

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