Febuxostat amide impurity aza-2' 3'-dideoxyguanosine 4)5)59-42(63)15-12-10-8-6-7-9-11-13-24-55-25-14-26-67-60-47(64)37-21-22-38(51)43(53)44(37)58-40-23-20-35(54)27-39(40)52/h16-23

4)5)59-42(63)15-12-10-8-6-7-9-11-13-24-55-25-14-26-67-60-47(64)37-21-22-38(51)43(53)44(37)58-40-23-20-35(54)27-39(40)52/h16-23

InChiKey: YPSCQJTUAKNUNF-UHFFFAOYSA-N

4-d]imidazol-4-yl]-N-{2-[2-(2-{2-[4-(6-methyl-1

Chemical Name: 4-[3-(pyridine-2-carbonyl)pyrazolo[1

328 μg/mL (by 85%)

Febuxostat amide impurity aza-2' 3'-dideoxyguanosine 4)5)59-42(63)15-12-10-8-6-7-9-11-13-24-55-25-14-26-67-60-47(64)37-21-22-38(51)43(53)44(37)58-40-23-20-35(54)27-39(40)52/h16-23Febuxostat amide impurity is an impurity of Febuxostat. Febuxostat is selective xanthine oxidase inhibitor with a Ki of 0. 6 nM Product information CAS Number: 1239233 86 3 Molecular Weight: 334. 39 Formula: C16H18N2O4S Chemical Name: 2 [3 carbamoyl 4 (2 methylpropoxy)phenyl] 4 methyl 1,3 thiazole 5 carboxylic acid Smiles: CC1N=C(SC=1C(O)=O)C1=CC(C(N)=O)=C(C=C1)OCC(C)C InChiKey: ITMGNZBRUWAGOZ UHFFFAOYSA N InChi: InChI=1S C16H18N2O4S c1 8(2)7 22 12 5