API
IMPURITY
CHEMICAL NAME
STRUCTURE
2
Lansoprazole

EP Impurity E

 1H-benzimidazole-2-thiol Lansoprazole_EP Impurity E
Lansoprazole

EP Impurity B

 2-[[[3-methyl-4-(2,2,2-trifluoroethoxy)pyridin-2-yl]methyl]sulphonyl]-1Hbenzimidazole Lansoprazole_EP Impurity B
Lansoprazole

EP Impurity D

 1H-benzimidazol-2-ol Lansoprazole_EP Impurity D
Lansoprazole

EP Impurity C

 2-[[[3-methyl-4-(2,2,2-trifluoroethoxy)pyridin-2-yl]methyl]sulphanyl]-1Hbenzimidazole Lansoprazole_EP Impurity C
Lansoprazole

EP Impurity F

 2-[(RS)-[(4-chloro-3-methylpyridin-2-yl)methyl]sulphinyl]-1H-benzimidazole Lansoprazole_ EP Impurity F
Lansoprazole

EP Impurity A

 2-[(RS)-[[3-methyl-1-oxido-4-(2,2,2-trifluoroethoxy)pyridin-2-yl]methyl]sulphinyl]-1H-benzimidazole Lansoprazole_EP Impurity A
Lansoprazole

Dexlansoprazole

 Isomer of lansoprazole
Lansoprazole

Leflunomide Related Compound A

 4-(trifluoromethyl)aniline Lansoprazole_Leflunomide Related Compound A