API
IMPURITY
CHEMICAL NAME
STRUCTURE
2
Fluconazole

EP Impurity D

2-(4-fluorophenyl)-1,3-bis(1H-1,2,4-triazol-1-yl)propan-2-ol Fluconazole-EP-Impurity-D
Fluconazole

EP Impurity A

2RS)-2-(2,4-difluorophenyl)-1-(1H-1,2,4-triazol-1-yl)-3-(4H-1,2,4-triazol-4-yl)propan-2-ol Fluconazole-EP-Impurity-A
Fluconazole

EP Impurity C

1,1’-(1,3-phenylene)di-1H-1,2,4-triazole
Fluconazole

EP Impurity B

2-[2-fluoro-4-(1H-1,2,4-triazol-1-yl)phenyl]-1,3-bis(1H-1,2,4-triazol-1-yl)propan-2-ol Fluconazole-EP-Impurity-B