Tretinoin EP Impurity B (9,13-di-cis-Retinoic Acid) CAS 5352-74-9

Purity >90%In StockPharmacopoeial Impurity Standards
CAS No.5352-74-9
Molecular FormulaC20H28O2
Molecular Weight300.44 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Tretinoin EP Impurity B (9,13-di-cis-Retinoic Acid) CAS 5352-74-9 chemical structure

Description

Tretinoin EP Impurity B (9,13-di-cis-Retinoic Acid) (CAS 5352-74-9) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C20H28O2. Molecular weight: 300.44 g/mol. Each batch is supplied with a Certificate of Analysis (COA).

Physical & Chemical Properties

Molecular FormulaC20H28O2
Molecular Weight300.44 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity>90%
StorageStore at 2-8°C, protect from light
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.)1958

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