Febuxostat dicarboxylic acid impurity

• CAT Number: R017772
• CAS Number: 1239233-87-4
• Molecular Formula: C16H17NO5S
• Molecular Weight: 335.37
• Purity: ≥95%
• Synonyms: 2-[3-carboxy-4-(2-methylpropoxy)phenyl]-4-methyl-1,3-thiazole-5-carboxylic acid
• InChI: InChI=1S/C16H17NO5S/c1-8(2)7-22-12-5-4-10(6-11(12)15(18)19)14-17-9(3)13(23-14)16(20)21/h4-6,8H,7H2,1-3H3,(H,18,19)(H,20,21)
• InChIKey: WSCLTDCYZOTAKS-UHFFFAOYSA-N
• SMILES: CC1=C(SC(=N1)C2=CC(=C(C=C2)OCC(C)C)C(=O)O)C(=O)O

Febuxostat dicarboxylic acid impurity is an impurity of Febuxostat. Febuxostat is selective xanthine oxidase inhibitor with a Ki of 0.6 nM[1].

Reference

[1]. Sunitha.P.G, et al. A Validated Stability Indicating HPTLC method for analysis of Febuxostat and Characterization of degradation product.