A selective and irreversible proton pump inhibitor, Omeprazole is used in the treatment of gastroesophageal reflux disease (GERD) and peptic ulcers.Omeprazole exists as a racemic mixture of R and S enantiomers.Reference standards of Omeprazole API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
2-(((5-Methoxy-1H-benzo[d]imidazol-2-yl)sulfinyl)methyl)-1,3,5-trimethylpyridin-4(1H)-one
Catalogue No.:PA 15 0051017
CAS :
Molecular Formula : C17H19N3O3S
Molecular Weight : 345.42
6-Methoxy-2-(4-methoxy-3,5-dimethylpyridin-2-yl)-1H-benzo[d]imidazole
Catalogue No.:PA 15 0051018
Molecular Formula : C16H17N3O2
Molecular Weight : 283.33
2-((6-Methoxy-1H-benzo[d]imidazol-2-yl)methyl)-3,5-dimethylpyridin-4-ol
Catalogue No.:PA 15 0051019
((5-Methoxy-1H-benzo[d]imidazol-2-yl)sulfinyl)(4-methoxy-3,5-dimethylpyridin-2-yl)methanone
Catalogue No.:PA 15 0051020
Molecular Formula : C17H17N3O4S
Molecular Weight : 359.4
Bis-Desmethoxy Omeprazole Sulfide
Catalogue No.:PA 15 0051021
Molecular Formula : C15H15N3S
Molecular Weight : 269.37
2,3-Lutidine
Catalogue No.:PA 15 0051022
Molecular Formula : C7H9N
Molecular Weight : 107.16
6-Methoxy-1H-benzo[d]imidazole-2-sulfonic Acid
Catalogue No.:PA 15 0051023
Molecular Formula : C8H8N2O4S
Molecular Weight : 228.22
5-Methoxy-2-(((4-methoxy-3,5-dimethylpyridin-2-yl)methyl)sulfinyl)-1-nitroso-1H-benzo[d]imidazole
Catalogue No.:PA 15 0051024
Molecular Formula : C17H18N4O4S
Molecular Weight : 374.42
3,9-Dimethoxy-2,4-dimethyl-5H-benzo[4,5]imidazo[1,2-b]pyrido[1,2-d][1,2,4]thiadiazin-13-ium Chloride
Catalogue No.:PA 15 0051025
Molecular Formula : C17H18ClN3O2S
Molecular Weight : 363.86
5-Methoxy-2-(4-methoxy-3,5-dimethyl-2-methylenepyridin-1(2H)-yl)-1H-benzo[d]imidazole
Catalogue No.:PA 15 0051026
Molecular Formula : C17H19N3O2
Molecular Weight : 297.36
3,9-Dimethoxy-2,4-dimethylbenzo[4,5]imidazo[1,2-b]pyrido[1,2-d][1,2,4]thiadiazine
Catalogue No.:PA 15 0051027
Molecular Formula : C17H17N3O2S
Molecular Weight : 327.4
2,9-Dimethoxy-1,3-dimethylbenzo[4',5']imidazo[2',1':2,3]imidazo[1,5-a]pyridin-12(12aH)-one
Catalogue No.:PA 15 0051028
Molecular Formula : C17H17N3O3
Molecular Weight : 311.34
2-((3,5-Dimethylpyridin-2-yl)methoxy)-5-methoxy-1H-benzo[d]imidazole
Catalogue No.:PA 15 0051029
2-(((6-Methoxy-1H-benzo[d]imidazol-2-yl)oxy)methyl)-3,5-dimethylpyridin-4-ol
Catalogue No.:PA 15 0051030
Molecular Formula : C16H17N3O3
Molecular Weight : 299.33
5-Methoxy-1-((4-methoxy-3,5-dimethylpyridin-2-yl)methyl)-2-(((4-methoxy-3,5-dimethylpyridin-2-yl)methyl)thio)-1H-benzo[d]imidazole compound with 6-methoxy-1-((4-methoxy-3,5-dimethylpyridin-2-yl)methyl)-2-(((4-methoxy-3,5-dimethylpyridin-2-yl)methyl)thio)-1H-benzo[d]imidazole (1:1)
Catalogue No.:PA 15 0051031
Molecular Formula : C26H30N4O3S
Molecular Weight : 478.61
6-Methoxy-1-((4-methoxy-3,5-dimethylpyridin-2-yl)methyl)-2-(((4-methoxy-3,5-dimethylpyridin-2-yl)methyl)thio)-1H-benzo[d]imidazole
Catalogue No.:PA 15 0051032
4-Methoxy-1-(6-methoxy-1H-benzo[d]imidazol-2-yl)-3,5-dimethylpyridin-1-ium-2-carboxylate
Catalogue No.:PA 15 0051033
Molecular Formula : C17H17N3O4
Molecular Weight : 327.34
1-(6-Methoxy-1-methyl-1H-benzo[d]imidazol-2-yl)-3,5-dimethyl-4-oxo-1,4-dihydropyridine-2-carboxylic Acid
Catalogue No.:PA 15 0051034
(6-Methoxy-1H-benzo[d]imidazol-2-yl)(4-methoxy-3,5-dimethylpyridin-2-yl)methanethione
Catalogue No.:PA 15 0051035
2-((5-Methoxy-1H-benzo[d]imidazol-2-yl)methyl)-3,5-dimethyl-1,4-dihydropyridin-4-ol
Catalogue No.:PA 15 0051036
Molecular Formula : C16H19N3O2
Molecular Weight : 285.35
5-Methoxy-2-((4-methoxy-3,5-dimethylpyridin-2-yl)methoxy)-1H-benzo[d]imidazole
Catalogue No.:PA 15 0051037
Molecular Formula : C17H19N3O3
Molecular Weight : 313.36
1-(5-Methoxy-1H-benzimidazol-2-yl)-3,5-dimethyl-4-oxo-1,4-dihydro-2-pyridinecarboxylic Acid Ammonia Salt
Catalogue No.:PA 15 0051038
Molecular Formula : C16H18N4O4
Molecular Weight : 330.34
Omeprazole-1-oxide
Catalogue No.:PA 15 0051039
Molecular Formula : C17H19N3O4S
Molecular Weight : 361.42
2-(((6-Methoxy-1H-benzo[d]imidazol-2-yl)thio)methyl)-3,5-dimethylpyridin-4(1H)-one
Catalogue No.:PA 15 0051040
Molecular Formula : C16H17N3O2S
Molecular Weight : 315.39
Omeprazole (IPRSO015)
Catalogue No.:PA IPRSO015
Molecular Formula : NA
Molecular Weight : NA
(S)-2-(((3,5-Dimethyl-4-nitropyridin-2-yl)methyl)sulfinyl)-6-methoxy-1H-benzo[d]imidazole
Catalogue No.:PA 15 0051041
Molecular Formula : C16H16N4O4S
Molecular Weight : 360.39
Omeprazole Sulphone (Omeprazole Impurity D) (IMPO011)
Catalogue No.:PA IMPO011
6-Methoxy-2-(((4-methoxy-3-methylpyridin-2-yl)methyl)sulfinyl)-1H-benzo[d]imidazole
Catalogue No.:PA 15 0051042
Molecular Formula : C16H17N3O3S
Molecular Weight : 331.39
(4-Methoxy-3,5-dimethylpyridine-2,6-diyl)dimethanol Hydrochloride
Catalogue No.:PA 15 0051043
Molecular Formula : C10H16ClNO3
Molecular Weight : 233.69
6-Methoxy-1H-benzo[d]imidazole
Catalogue No.:PA 15 0051044
Molecular Formula : C8H8N2O
Molecular Weight : 148.17
6,6'-Bis(trifluoromethoxy)-3H,3'H-[5,5'-bibenzo[d]imidazole]-2,2'-dithiol
Catalogue No.:PA 15 0051045
Molecular Formula : C16H8F6N4O2S2
Molecular Weight : 466.38
2-(2-(5-Methoxy-1H-benzo[d]imidazol-2-yl)ethyl)-3,5-dimethyl-1,4-dihydropyridin-4-ol
Catalogue No.:PA 15 0051046
Molecular Formula : C17H21N3O2
Molecular Weight : 299.37
Omeprazole (WSM)
Catalogue No.:PA WSM 00515008
8-Methoxy-1,3-dimethylbenzo[4',5']imidazo[2',1':2,3]imidazo[1,5-a]pyridine-2,12-dione
Catalogue No.:PA 15 0051047
Molecular Formula : C16H13N3O3
Molecular Weight : 295.3
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