Polmacoxib Impurity 3 CAS 301690-25-5

Purity 97%+In StockPharmacopoeial Impurity Standards
CAS No.301690-25-5
Molecular FormulaC19H17FO4S
Molecular Weight360.40 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Polmacoxib Impurity 3 CAS 301690-25-5 chemical structure

Description

Polmacoxib Impurity 3 (CAS 301690-25-5) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C19H17FO4S. Molecular weight: 360.40 g/mol. Each batch is supplied with a Certificate of Analysis (COA).

Physical & Chemical Properties

Molecular FormulaC19H17FO4S
Molecular Weight360.40 g/mol
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; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)11.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Halogen ContentF-containing
Sulfur Atoms1

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