API |
IMPURITY |
CHEMICAL NAME |
STRUCTURE |
Febuxostat |
Febuxostat Amide Impurity |
2-(3-Carbamoyl-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylicacid | ![]() |
Febuxostat |
Febuxostat Ethyl Ester Impurity |
Ethyl2-(3-cyano-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylic acid | ![]() |