Isotretinoin EP Impurity I CAS 75281-25-3

Purity >90%In StockPharmacopoeial Impurity Standards
CAS No.75281-25-3
Molecular FormulaC20H28O3
Molecular Weight316.43 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Isotretinoin EP Impurity I CAS 75281-25-3 chemical structure

Description

Isotretinoin EP Impurity I (CAS 75281-25-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C20H28O3. Molecular weight: 316.43 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC20H28O3
Molecular Weight316.43 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity>90%
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)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1978

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