Omeprazole Impurities

• Omeprazole-EP Impurity B
• 
• Impurity: Omeprazole-EP Impurity B
• Chemical Name: 2-[(RS)-[(3,5-dimethylpyridin-2-yl)methyl]sulphinyl]-5-methoxy-1Hbenzimidazole

• Omeprazole-EP Impurity B
• 
• Impurity: Omeprazole-EP Impurity B
• Chemical Name: 2-[(RS)-[(3,5-dimethylpyridin-2-yl)methyl]sulphinyl]-5-methoxy-1Hbenzimidazole

• Omeprazole-EP Impurity C
• 
• Impurity: Omeprazole-EP Impurity C
• Chemical Name: 5-methoxy-2-[[(4-methoxy-3,5-dimethylpyridin-2-yl)methyl]sulphanyl]-1H-benzimidazole (ufiprazole)

• Omeprazole-EP Impurity D
• 
• Impurity: EP Impurity D
• Chemical Name: 5-methoxy-2-[[(4-methoxy-3,5-dimethylpyridin-2-yl)methyl]sulphonyl]-1H-benzimidazole (omeprazole sulphone),

• Omeprazole-EP Impurity E
• 
• Impurity: EP Impurity E
• Chemical Name: 5-Methoxy-2-[[(4-methoxy-3,5-dimethylpyridine-2-yl)methyl]sulfinyl]-1H-benzimidazole 1-oxide

• Omeprazole-EP Impurity E
• 
• Impurity: EP Impurity E
• Chemical Name: 8-methoxy-1,3-dimethyl-12-thioxopyrido[1,2:3,4]imidazo[1,2-a]benzimidazol-2(12H)-one+9-methoxy-1,3-dimethyl-12-thioxopyrido[1,2:3,4]imidazo[1,2-a]benzimidazol-2(12H)-one

• Omeprazole-EP Impurity H
• 
• Impurity: EP Impurity H
• Chemical Name: 2-[(RS)-[(4-chloro-3,5-dimethylpyridin-2-yl)methyl]sulfinyl]-5-methoxy-1Hbenzimidazole

• Omeprazole-EP Impurity I
• 
• Impurity: EP Impurity I
• Chemical Name: 4-methoxy-2-[[(5-methoxy-1H-benzimidazol-2-yl)sulphonyl]methyl]-3,5- dimethylpyridine 1-oxide

• Omeprazole Impurities
• 
• Impurity: Omeprazole EP Impurity F
• Chemical Name: 8-methoxy-1,3-dimethyl-12-thioxopyrido[1¢,2¢:3,4]imidazo[1,2-a] benzimidazol-2(12H)-one

• Omeprazole Impurities
• 
• Impurity: Omeprazole EP Impurity G
• Chemical Name: 9-methoxy-1,3-dimethyl-12-thioxopyrido[1¢,2¢:3,4]imidazo[1,2-a] benzimidazol-2(12H)-one