Naproxen Impurity 39 CAS 69705-17-5

Purity 97%+In StockPharmacopoeial Impurity Standards
CAS No.69705-17-5
Molecular FormulaC15H13O4 Na
Molecular WeightN/A
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Naproxen Impurity 39 CAS 69705-17-5 chemical structure

Description

Naproxen Impurity 39 (CAS 69705-17-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C15H13O4 Na. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC15H13O4 Na
Molecular Weight280.25 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
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)9.5
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1976

Related Naproxen Standards

Recommended Standards

Why CATO?