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    Home / OMEPRAZOLE / Omeprazole Impurity (2-[[(5-hydroxy-1H-benzimidazol-2-yl)sulfinyl]methyl]-3,5-dimethy-l-4(1H)-pyridone)
    Omeprazole Impurity (2-[[(5-hydroxy-1H-benzimidazol-2-yl)sulfinyl]methyl]-3,5-dimethy-l-4(1H)-pyridone)

    Omeprazole Impurity (2-[[(5-hydroxy-1H-benzimidazol-2-yl)sulfinyl]methyl]-3,5-dimethy-l-4(1H)-pyridone)

    Synonym

    2-(((5-hydroxy-1H-benzo[d]imidazol-2-yl)sulfinyl)methyl)-3,5-dimethylpyridin-4(1H)-one

    Molecular Formula

    C15H15N3O3S

    Molecular Weight

    317.37

    Catalogue Number

    AR-O01323

    Parent Drug

    OMEPRAZOLE

    Common Package:10,25,50,100 mg

    Collections: OMEPRAZOLE

    Category: AR-O01323 C15H15N3O3S OMEPRAZOLE

    RELATED PRODUCTS
    (R)-Omeprazole Sodium Salt

    Synonym

    6-Methoxy-2-[(R)-[(4-methoxy-3,5-dimethyl-2-pyridinyl)methyl]sulfinyl]-1H-benzimidazole Sodium Salt

    Molecular Formula

    Cā‚ā‚‡Hā‚ā‚ˆNā‚ƒOā‚ƒS; Na

    Molecular Weight

    344.43; 22.99

    Catalogue Number

    AR-O01744

    Parent Drug

    Omeprazole

    CAS Number

    161796-77-6 (sodium salt); alt. cas#:Ā 119141-89-8 (free acid)
    2,8-dimethoxy-1,3-dimethyl-12-thioxo-12H-benzo[4',5']imidazo[2',1':2,3]imidazo[1,5-a]pyridin-5-ium hydroxide

    Synonym

    2,8-dimethoxy-1,3-dimethyl-12-thioxo-12H-benzo[4',5']imidazo[2',1':2,3]imidazo[1,5-a]pyridin-5-ium hydroxide

    Molecular Formula

    C17H16N3O2S. OH

    Molecular Weight

    326.39 17.01

    Catalogue Number

    AR-O01384

    Parent Drug

    OMEPRAZOLE
    4-methoxy-1-(5-methoxy-1H-benzo[d]imidazol-2-yl)-2,3,5-trimethylpyridin-1-ium hydroxide

    Synonym

    4-methoxy-1-(5-methoxy-1H-benzo[d]imidazol-2-yl)-2,3,5-trimethylpyridin-1-ium hydroxide

    Molecular Formula

    C17H20N3O2. OH

    Molecular Weight

    298.37 17.01

    Catalogue Number

    AR-O01383

    Parent Drug

    OMEPRAZOLE
    2-(((3,5-dimethylpyridin-2-yl)methyl)sulfinyl)-1H-benzo[d]imidazole

    Synonym

    2-(((3,5-dimethylpyridin-2-yl)methyl)sulfinyl)-1H-benzo[d]imidazole

    Molecular Formula

    C15H15N3OS

    Molecular Weight

    285.37

    Catalogue Number

    AR-O01382

    Parent Drug

    OMEPRAZOLE
    6-methoxy-1H-benzo[d]imidazole-2-sulfinic acid

    Synonym

    6-methoxy-1H-benzo[d]imidazole-2-sulfinic acid

    Molecular Formula

    C8H8N2O3S

    Molecular Weight

    212.22

    Catalogue Number

    AR-O01381

    Parent Drug

    OMEPRAZOLE

    CAS Number

    1080689-87-7
    Omeprazole Related Compound 15

    Synonym

    2-(((3,5-dimethyl-4-nitropyridin-2-yl)methyl)sulfinyl)-6-methoxy-1H-benzo[d]imidazole

    Molecular Formula

    C16H16N4O4S

    Molecular Weight

    360.39

    Catalogue Number

    AR-O01380

    Parent Drug

    OMEPRAZOLE

    CAS Number

    317807-10-6
    Omeprazole Related Compound 14

    Synonym

    2-(((3,5-dimethyl-4-nitropyridin-2-yl)methyl)thio)-6-methoxy-1H-benzo[d]imidazole

    Molecular Formula

    C16H16N4O3S

    Molecular Weight

    344.39

    Catalogue Number

    AR-O01379

    Parent Drug

    OMEPRAZOLE

    CAS Number

    142885-91-4
    5-methoxybenzo[d]oxazole-2(3H)-thione

    Synonym

    5-methoxybenzo[d]oxazole-2(3H)-thione

    Molecular Formula

    C8H7NO2S

    Molecular Weight

    181.21

    Catalogue Number

    AR-O01378

    Parent Drug

    OMEPRAZOLE

    CAS Number

    49559-83-3
    2-(chloromethyl)-3,5-dimethylpyridin-4(1H)-one hydrochloride

    Synonym

    2-(chloromethyl)-3,5-dimethylpyridin-4(1H)-one hydrochloride

    Molecular Formula

    C8H10ClNO. HCl

    Molecular Weight

    171.62 36.46

    Catalogue Number

    AR-O01377

    Parent Drug

    OMEPRAZOLE

    CAS Number

    220770-99-0
    2-(hydroxymethyl)-3,5-dimethylpyridin-4-ol

    Synonym

    2-(hydroxymethyl)-3,5-dimethylpyridin-4-ol

    Molecular Formula

    C8H11NO2

    Molecular Weight

    153.18

    Catalogue Number

    AR-O01376

    Parent Drug

    OMEPRAZOLE

    CAS Number

    727375-13-5
    2-(chloromethyl)-3,5-dimethylpyridine hydrochloride

    Synonym

    2-(chloromethyl)-3,5-dimethylpyridine hydrochloride

    Molecular Formula

    C8H10ClN. HCl

    Molecular Weight

    155.63 36.46

    Catalogue Number

    AR-O01375

    Parent Drug

    OMEPRAZOLE

    CAS Number

    73590-93-9
    2-(chloromethyl)-4-methoxy-3,5-dimethylpyridine 1-oxide

    Synonym

    2-(chloromethyl)-4-methoxy-3,5-dimethylpyridine 1-oxide

    Molecular Formula

    C9H12ClNO2

    Molecular Weight

    201.65

    Catalogue Number

    AR-O01374

    Parent Drug

    OMEPRAZOLE

    CAS Number

    848694-10-0
    2-(((4-methoxy-3,5-dimethylpyridin-2-yl)methyl)sulfinyl)-1H-benzo[d]imidazol-6-ol

    Synonym

    2-(((4-methoxy-3,5-dimethylpyridin-2-yl)methyl)sulfinyl)-1H-benzo[d]imidazol-6-ol

    Molecular Formula

    C16H17N3O3S

    Molecular Weight

    331.39

    Catalogue Number

    AR-O01373

    Parent Drug

    OMEPRAZOLE

    CAS Number

    358675-51-1
    (3-methyl-4-(2,2,2-trifluoroethoxy)pyridin-2-yl)methyl acetate

    Synonym

    (3-methyl-4-(2,2,2-trifluoroethoxy)pyridin-2-yl)methyl acetate

    Molecular Formula

    C11H12F3NO3

    Molecular Weight

    263.22

    Catalogue Number

    AR-O01372

    Parent Drug

    OMEPRAZOLE

    CAS Number

    112525-75-4
    5-Hydroxy Esomeprazole

    Synonym

    (S)-(4-methoxy-6-(((6-(methoxymethyl)-1H-benzo[d]imidazol-2-yl)sulfinyl)methyl)-5-methylpyridin-3-yl)methanol

    Molecular Formula

    C18H21N3O4S

    Molecular Weight

    375.44

    Catalogue Number

    AR-O01371

    Parent Drug

    OMEPRAZOLE

    CAS Number

    19648-27-7
    5-Hydroxy Omeprazole Sulfone

    Synonym

    (4-methoxy-6-(((5-methoxy-1H-benzo[d]imidazol-2-yl)sulfonyl)methyl)-5-methylpyridin-3-yl)methanol

    Molecular Formula

    C17H19N3O5S

    Molecular Weight

    377.42

    Catalogue Number

    AR-O01370

    Parent Drug

    OMEPRAZOLE
    6-methoxy-1-((4-methoxy-3,5-dimethylpyridin-2-yl)methyl)-2-(((4-methoxy-3,5-dimethylpyridin-2-yl)methyl)sulfonyl)-1H-benzo[d]imidazole

    Synonym

    6-methoxy-1-((4-methoxy-3,5-dimethylpyridin-2-yl)methyl)-2-(((4-methoxy-3,5-dimethylpyridin-2-yl)methyl)sulfonyl)-1H-benzo[d]imidazole

    Molecular Formula

    C26H30N4O5S

    Molecular Weight

    510.61

    Catalogue Number

    AR-O01369

    Parent Drug

    OMEPRAZOLE

    CAS Number

    2101206-41-9
    5-methoxy-1-((4-methoxy-3,5-dimethylpyridin-2-yl)methyl)-2-(((4-methoxy-3,5-dimethylpyridin-2-yl)methyl)sulfonyl)-1H-benzo[d]imidazole

    Synonym

    5-methoxy-1-((4-methoxy-3,5-dimethylpyridin-2-yl)methyl)-2-(((4-methoxy-3,5-dimethylpyridin-2-yl)methyl)sulfonyl)-1H-benzo[d]imidazole

    Molecular Formula

    C26H30N4O5S

    Molecular Weight

    510.61

    Catalogue Number

    AR-O01368

    Parent Drug

    OMEPRAZOLE

    CAS Number

    1346599-74-3
    (1R,4R)-1-(((5-methoxy-2-(((4-methoxy-3,5-dimethylpyridin-2-yl)methyl)sulfinyl)-1H-benzo[d]imidazol-1-yl)sulfonyl)methyl)-7,7-dimethylbicyclo[2.2.1]heptan-2-one

    Synonym

    (1R,4R)-1-(((5-methoxy-2-(((4-methoxy-3,5-dimethylpyridin-2-yl)methyl)sulfinyl)-1H-benzo[d]imidazol-1-yl)sulfonyl)methyl)-7,7-dimethylbicyclo[2.2.1]heptan-2-one

    Molecular Formula

    C27H33N3O6S2

    Molecular Weight

    559.70

    Catalogue Number

    AR-O01367

    Parent Drug

    OMEPRAZOLE
    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

    Synonym

    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

    Molecular Formula

    C26H30N4O3S

    Molecular Weight

    478.61

    Catalogue Number

    AR-O01366

    Parent Drug

    OMEPRAZOLE
    6-methoxy-1-((4-methoxy-3,5-dimethylpyridin-2-yl)methyl)-2-(((4-methoxy-3,5-dimethylpyridin-2-yl)methyl)sulfinyl)-1H-benzo[d]imidazole

    Synonym

    6-methoxy-1-((4-methoxy-3,5-dimethylpyridin-2-yl)methyl)-2-(((4-methoxy-3,5-dimethylpyridin-2-yl)methyl)sulfinyl)-1H-benzo[d]imidazole

    Molecular Formula

    C26H30N4O4S

    Molecular Weight

    494.61

    Catalogue Number

    AR-O01365

    Parent Drug

    OMEPRAZOLE
    Omeprazole Related Compound 12

    Synonym

    6-chloro-5-methoxypyridin-3-ol

    Molecular Formula

    C6H6ClNO2

    Molecular Weight

    159.57

    Catalogue Number

    AR-O01363

    Parent Drug

    OMEPRAZOLE

    CAS Number

    1105933-54-7
    2-(mercaptomethyl)-4-methoxy-1-(5-methoxy-1H-benzo[d]imidazol-2-yl)-3,5-dimethylpyridin-1-ium iodide

    Synonym

    2-(mercaptomethyl)-4-methoxy-1-(5-methoxy-1H-benzo[d]imidazol-2-yl)-3,5-dimethylpyridin-1-ium iodide

    Molecular Formula

    C17H20N3O2S. I

    Molecular Weight

    330.43 126.91

    Catalogue Number

    AR-O01362

    Parent Drug

    OMEPRAZOLE
    Omeprazole N-Methyl 6-Methoxy Analog

    Synonym

    6-methoxy-2-(((4-methoxy-3,5-dimethylpyridin-2-yl)methyl)sulfinyl)-1-methyl-1H-benzo[d]imidazole

    Molecular Formula

    C18H21N3O3S

    Molecular Weight

    359.44

    Catalogue Number

    AR-O01361

    Parent Drug

    OMEPRAZOLE

    CAS Number

    784143-42-6
    5-methoxy-2-(((4-methoxy-3,5-dimethylpyridin-2-yl)methyl)sulfinyl)-1-methyl-1H-benzo[d]imidazole

    Synonym

    5-methoxy-2-(((4-methoxy-3,5-dimethylpyridin-2-yl)methyl)sulfinyl)-1-methyl-1H-benzo[d]imidazole

    Molecular Formula

    C18H21N3O3S

    Molecular Weight

    359.44

    Catalogue Number

    AR-O01360

    Parent Drug

    OMEPRAZOLE

    CAS Number

    89352-76-1
    Omeprazole Related Compound 11

    Synonym

    2-(((4-methoxypyridin-2-yl)methyl)sulfinyl)-4,6-dimethyl-1H-benzo[d]imidazole

    Molecular Formula

    C16H17N3O2S

    Molecular Weight

    315.39

    Catalogue Number

    AR-O01359

    Parent Drug

    OMEPRAZOLE
    Omeprazole Related Compound 10

    Synonym

    4-methoxy-2-(((5-methoxy-1H-benzo[d]imidazol-2-yl)thio)methyl)-3,5-dimethylpyridine 1-oxide

    Molecular Formula

    C17H19N3O3S

    Molecular Weight

    345.42

    Catalogue Number

    AR-O01358

    Parent Drug

    OMEPRAZOLE
    2-(((3,5-dimethyl-4-nitropyridin-2-yl)methyl)sulfonyl)-5-methoxy-1H-benzo[d]imidazole

    Synonym

    2-(((3,5-dimethyl-4-nitropyridin-2-yl)methyl)sulfonyl)-5-methoxy-1H-benzo[d]imidazole

    Molecular Formula

    C16H16N4O5S

    Molecular Weight

    376.39

    Catalogue Number

    AR-O01357

    Parent Drug

    OMEPRAZOLE
    4-Hydroxy Omeprazole Sulfide

    Synonym

    2-(((5-methoxy-1H-benzo[d]imidazol-2-yl)thio)methyl)-3,5-dimethylpyridin-4-ol

    Molecular Formula

    C16H17N3O2S

    Molecular Weight

    315.40

    Catalogue Number

    AR-O01356

    Parent Drug

    OMEPRAZOLE
    Desulfoxide 4-Demethyl Omeprazole

    Synonym

    2-((5-methoxy-1H-benzo[d]imidazol-2-yl)methyl)-3,5-dimethylpyridin-4(1H)-one

    Molecular Formula

    C16H17N3O2

    Molecular Weight

    283.33

    Catalogue Number

    AR-O01355

    Parent Drug

    OMEPRAZOLE

    CAS Number

    1384163-92-1
    Omeprazole Related Compound 8

    Synonym

    (4-methoxy-3,5-dimethylpyridin-2-yl)methanol

    Molecular Formula

    C9H13NO2

    Molecular Weight

    167.21

    Catalogue Number

    AR-O01354

    Parent Drug

    OMEPRAZOLE
    Omeprazole Related Compound 7 HCl

    Synonym

    (4-methoxy-3,5-dimethylpyridin-2-yl)methyl acetate hydrochloride

    Molecular Formula

    C11H15NO3. HCl

    Molecular Weight

    209.25 36.46

    Catalogue Number

    AR-O01353

    Parent Drug

    OMEPRAZOLE

    CAS Number

    142913-07-3
    Omeprazole Related Compound 6

    Synonym

    4-methoxy-2,3,5-trimethylpyridine 1-oxide

    Molecular Formula

    C9H13NO2

    Molecular Weight

    167.21

    Catalogue Number

    AR-O01352

    Parent Drug

    OMEPRAZOLE

    CAS Number

    86604-80-0
    Omeprazole Related Compound 5

    Synonym

    2,3,5-trimethyl-4-nitropyridine 1-oxide

    Molecular Formula

    C8H10N2O3

    Molecular Weight

    182.18

    Catalogue Number

    AR-O01351

    Parent Drug

    OMEPRAZOLE

    CAS Number

    86604-79-7
    Omeprazole Related Compound 4

    Synonym

    2,3,5-trimethylpyridine 1-oxide

    Molecular Formula

    C8H11NO

    Molecular Weight

    137.18

    Catalogue Number

    AR-O01350

    Parent Drug

    OMEPRAZOLE

    CAS Number

    74409-42-0
    Omeprazole Related Compound 9

    Synonym

    2,3,5-trimethylpyridine

    Molecular Formula

    C8H11N

    Molecular Weight

    121.18

    Catalogue Number

    AR-O01349

    Parent Drug

    OMEPRAZOLE

    CAS Number

    695-98-7
    Omeprazole Related Compound 13 HCl

    Synonym

    2-(chloromethyl)-4-methoxy-3,5-dimethylpyridine hydrochloride

    Molecular Formula

    C9H12ClNO. HCl

    Molecular Weight

    185.66 36.46

    Catalogue Number

    AR-O01348

    Parent Drug

    OMEPRAZOLE

    CAS Number

    86604-75-3
    1-(5-methoxy-1H-benzo[d]imidazol-2-yl)-2,3,5-trimethylpyridin-4(1H)-one

    Synonym

    1-(5-methoxy-1H-benzo[d]imidazol-2-yl)-2,3,5-trimethylpyridin-4(1H)-one

    Molecular Formula

    C16H17N3O2

    Molecular Weight

    283.33

    Catalogue Number

    AR-O01347

    Parent Drug

    OMEPRAZOLE
    Omeprazole Related Compound 3

    Synonym

    6-(chloromethyl)-4-methoxy-3,5-dimethylpyridin-2(1H)-one

    Molecular Formula

    C9H12ClNO2

    Molecular Weight

    201.65

    Catalogue Number

    AR-O01346

    Parent Drug

    OMEPRAZOLE
    (R)-2-(((6-methoxy-1H-benzo[d]imidazol-2-yl)sulfinyl)methyl)-3,5-dimethylpyridin-4(1H)-one

    Synonym

    (R)-2-(((6-methoxy-1H-benzo[d]imidazol-2-yl)sulfinyl)methyl)-3,5-dimethylpyridin-4(1H)-one

    Molecular Formula

    C16H17N3O3S

    Molecular Weight

    331.40

    Catalogue Number

    AR-O01345

    Parent Drug

    OMEPRAZOLE
    5-methoxy-1H-benzo[d]imidazol-2(3H)-one

    Synonym

    1,3-Dihydro-5-methoxy-2H-benzimidazol-2-one; 2-Hydroxy-5-methoxybenzimidazole

    Molecular Formula

    C8H8N2O2

    Molecular Weight

    164.17

    Catalogue Number

    AR-O01344

    Parent Drug

    OMEPRAZOLE

    CAS Number

    2080-75-3
    5-methoxy-1-((4-methoxy-3,5-dimethylpyridin-2-yl)methyl)-2-(((4-methoxy-3,5-dimethylpyridin-2-yl)methyl)sulfinyl)-1H-benzo[d]imidazole

    Synonym

    5-methoxy-1-((4-methoxy-3,5-dimethylpyridin-2-yl)methyl)-2-(((4-methoxy-3,5-dimethylpyridin-2-yl)methyl)sulfinyl)-1H-benzo[d]imidazole

    Molecular Formula

    C26H30N4O4S

    Molecular Weight

    494.61

    Catalogue Number

    AR-O01343

    Parent Drug

    OMEPRAZOLE

    CAS Number

    1346599-85-6
    (S)-4-methoxy-2-(((6-methoxy-1H-benzo[d]imidazol-2-yl)sulfinyl)methyl)-3,5-dimethylpyridine 1-oxide

    Synonym

    (S)-4-methoxy-2-(((6-methoxy-1H-benzo[d]imidazol-2-yl)sulfinyl)methyl)-3,5-dimethylpyridine 1-oxide

    Molecular Formula

    C16H16ClN3O3S

    Molecular Weight

    365.84

    Catalogue Number

    AR-O01342

    Parent Drug

    OMEPRAZOLE
    Omeprazole-13C-d3

    Synonym

    5-methoxy-2-(((4-methoxy-3,5-dimethylpyridin-2-yl)methyl)sulfinyl)-1H-benzo[d]imidazole-13CD3

    Molecular Formula

    C16 13CH16N3O3SD3

    Molecular Weight

    349.43

    Catalogue Number

    AR-O01341

    Parent Drug

    OMEPRAZOLE

    CAS Number

    1261395-28-1
    Omeprazole Related Compound 2 (4-Methoxy-2, 3, 5-Trimethylpyridine)

    Synonym

    4-methoxy-2,3,5-trimethylpyridine

    Molecular Formula

    C9H13NO

    Molecular Weight

    151.21

    Catalogue Number

    AR-O01340

    Parent Drug

    OMEPRAZOLE

    CAS Number

    109371-19-9
    Omeprazole Related Compound 1 (Benzimidazole Dimer)

    Synonym

    6,6'-bis(trifluoromethoxy)-3H,3'H-[5,5'-bibenzo[d]imidazole]-2,2'-dithiol

    Molecular Formula

    C16H10F4N4O2S2

    Molecular Weight

    430.41

    Catalogue Number

    AR-O01339

    Parent Drug

    OMEPRAZOLE

    CAS Number

    N/A
    Omeprazole Acid Disodium Salt

    Synonym

    4-methoxy-6-(((6-methoxy-1H-benzo[d]imidazol-2-yl)sulfinyl)methyl)-5-methylnicotinic acid, sodium salt

    Molecular Formula

    C17H15N3O5S. 2 Na

    Molecular Weight

    373.39 2 22.99

    Catalogue Number

    AR-O01338

    Parent Drug

    OMEPRAZOLE

    CAS Number

    120003-72-7 (free acid)
    Esomeprazole Impurity

    Synonym

    2-(((5-methoxy-1H-benzo[d]imidazol-2-yl)sulfinyl)methyl)-3,5-dimethylpyridin-4(1H)-one

    Molecular Formula

    C16H17N3O3S

    Molecular Weight

    331.40

    Catalogue Number

    AR-O01337

    Parent Drug

    OMEPRAZOLE
    Omeprazole 4'-O-Demethyl Impurity

    Synonym

    2-(((6-methoxy-1H-benzo[d]imidazol-2-yl)sulfinyl)methyl)-3,5-dimethylpyridin-4(1H)-one

    Molecular Formula

    C16H17N3O3S

    Molecular Weight

    331.40

    Catalogue Number

    AR-O01336

    Parent Drug

    OMEPRAZOLE

    CAS Number

    301669-82-9
    Omeprazole EP Impurity G

    Synonym

    9-methoxy-1,3-dimethyl-12-thioxobenzo[4',5']imidazo[2',1':2,3]imidazo[1,5-a]pyridin-2(12H)-one

    Molecular Formula

    C16H13N3O2S

    Molecular Weight

    311.36

    Catalogue Number

    AR-O08845

    Parent Drug

    OMEPRAZOLE

    CAS Number

    125656-83-9