Ensifentrine Impurity 22 CAS 298680-39-4

Purity 97%+In StockPharmacopoeial Impurity Standards
CAS No.298680-39-4
Molecular FormulaC25H30N4O3
Molecular Weight434.53 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Ensifentrine Impurity 22 CAS 298680-39-4 chemical structure

Description

Ensifentrine Impurity 22 (CAS 298680-39-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C25H30N4O3. Molecular weight: 434.53 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC25H30N4O3
Molecular Weight434.53 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore in a cool place (≤25°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)13.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Nitrogen Atoms4

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