Febuxostat Impurity 21 CAS 407582-48-3

Purity 97%+In StockPharmacopoeial Impurity Standards
CAS No.407582-48-3
Molecular FormulaC12H8N2O3S
Molecular Weight260.27 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Febuxostat Impurity 21 CAS 407582-48-3 chemical structure

Description

Febuxostat Impurity 21 (CAS 407582-48-3) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C12H8N2O3S. Molecular weight: 260.27 g/mol. Each batch is supplied with a Certificate of Analysis (COA).

Physical & Chemical Properties

Molecular FormulaC12H8N2O3S
Molecular Weight260.27 g/mol
Purity97%+
StorageStore at 2-8°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)10.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Nitrogen Atoms2
Sulfur Atoms1

Related Febuxostat Standards

Recommended Standards

Why CATO?