ilaprazole and its Impurities
Ilaprazole used in the treatment of dyspepsia, peptic ulcer disease gastroesophageal reflux disease and duodenal ulcer. It is a proton pump inhibitor. It is available in strengths of 5, 10, and 20 mg.Reference standards of Ilaprazole API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.


1-((4-Methoxy-3-methylpyridin-2-yl)methyl)-2-(((4-methoxy-3-methylpyridin-2-yl)methyl)thio)-5-(1H-pyrrol-1-yl)-1H-benzo[d]imidazole
1-((4-Methoxy-3-methylpyridin-2-yl)methyl)-2-(((4-methoxy-3-methylpyridin-2-yl)methyl)thio)-5-(1H-pyrrol-1-yl)-1H-benzo[d]imidazole
Catalogue No.:PA 09 0731002
CAS :
1360824-56-1
Molecular Formula : C27H27N5O2S
Molecular Weight : 485.61


1-((4-Methoxy-3-methylpyridin-2-yl)methyl)-2-(((4-methoxy-3-methylpyridin-2-yl)methyl)sulfinyl)-6-(1H-pyrrol-1-yl)-1H-benzo[d]imidazole
1-((4-Methoxy-3-methylpyridin-2-yl)methyl)-2-(((4-methoxy-3-methylpyridin-2-yl)methyl)sulfinyl)-6-(1H-pyrrol-1-yl)-1H-benzo[d]imidazole
Catalogue No.:PA 09 0731003
CAS :
NA
Molecular Formula : C27H27N5O3S
Molecular Weight : 501.61

![2-(((6-(1H-Pyrrol-1-yl)-1H-benzo[d]imidazol-2-yl)s PA 09 0731006](https://www.pharmaffiliates.com/pimages/PA090731006.jpg)
2-(((6-(1H-Pyrrol-1-yl)-1H-benzo[d]imidazol-2-yl)sulfinyl)methyl)-4-methoxy-3-methylpyridine 1-oxide
2-(((6-(1H-Pyrrol-1-yl)-1H-benzo[d]imidazol-2-yl)sulfinyl)methyl)-4-methoxy-3-methylpyridine 1-oxide
Catalogue No.:PA 09 0731006
CAS :
2285346-44-1
Molecular Formula : C19H18N4O3S
Molecular Weight : 382.44

![2-(((5-(1H-Pyrrol-1-yl)-1H-benzo[d]imidazol-2-yl)s PA 09 0731007](https://www.pharmaffiliates.com/pimages/PA090731007.jpg)
2-(((5-(1H-Pyrrol-1-yl)-1H-benzo[d]imidazol-2-yl)sulfonyl)methyl)-4-methoxy-3-methylpyridine 1-oxide
2-(((5-(1H-Pyrrol-1-yl)-1H-benzo[d]imidazol-2-yl)sulfonyl)methyl)-4-methoxy-3-methylpyridine 1-oxide
Catalogue No.:PA 09 0731007
CAS :
NA
Molecular Formula : C19H18N4O4S
Molecular Weight : 398.44

![1-(6-(1H-Pyrrol-1-yl)-1H-benzo[d]imidazol-2-yl)-4- PA 09 0731010](https://www.pharmaffiliates.com/pimages/PA090731010.jpg)
1-(6-(1H-Pyrrol-1-yl)-1H-benzo[d]imidazol-2-yl)-4-methoxy-3-methylpyridin-1-ium-2-carboxylate
1-(6-(1H-Pyrrol-1-yl)-1H-benzo[d]imidazol-2-yl)-4-methoxy-3-methylpyridin-1-ium-2-carboxylate
Catalogue No.:PA 09 0731010
CAS :
2285346-38-3
Molecular Formula : C19H16N4O3
Molecular Weight : 348.36

![(1-(6-(1H-Pyrrol-1-yl)-1H-benzo[d]imidazol-2-yl)-4 PA 09 0731012](https://www.pharmaffiliates.com/pimages/PA090731012.jpg)
(1-(6-(1H-Pyrrol-1-yl)-1H-benzo[d]imidazol-2-yl)-4-methoxy-3-methylpyridin-1-ium-2-yl)methanethiolate
(1-(6-(1H-Pyrrol-1-yl)-1H-benzo[d]imidazol-2-yl)-4-methoxy-3-methylpyridin-1-ium-2-yl)methanethiolate
Catalogue No.:PA 09 0731012
CAS :
2285346-40-7
Molecular Formula : C19H18N4OS
Molecular Weight : 350.44


6-(2-Chloro-1H-pyrrol-1-yl)-2-(((4-methoxy-3-methylpyridin-2-yl)methyl)sulfinyl)-1H-benzo[d]imidazole
6-(2-Chloro-1H-pyrrol-1-yl)-2-(((4-methoxy-3-methylpyridin-2-yl)methyl)sulfinyl)-1H-benzo[d]imidazole
Catalogue No.:PA 09 0731017
CAS :
1360824-57-2
Molecular Formula : C19H17ClN4O2S
Molecular Weight : 400.88