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Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Omeprazole, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Omeprazole impurity reference standards are invaluable for pharmaceutical research, supporting product development, ANDA and DMF submissions, quality control (QC), method validation, and stability studies. They also aid in identifying unknown impurities and assessing genotoxic potential.
Our Omeprazole-related products undergo thorough characterization and are supplied with detailed Certificates of Analysis (COA) and analytical data that meet regulatory requirements. All supplied products are re-tested at regular intervals to ensure ongoing quality and compliance.

Omeprazole Related Compounds

Stable Isotopes

4-Desmethoxy Omeprazole-d3
4-Desmethoxy Omeprazole-d3
  • CAT. No.CS-T-73460
  • CAS. No.1794759-05-9
  • Stock Status:Enquire
4-Desmethoxy Omeprazole-d3 Sulfide
4-Desmethoxy Omeprazole-d3 Sulfide
  • CAT. No.CS-T-73242
  • CAS. No.1794938-78-5
  • Stock Status:Enquire
5’-Hydroxyomeprazole-13C,D2 sodium
5’-Hydroxyomeprazole-13C,D2 sodium
  • CAT. No.CS-BU-00101
  • CAS. No.1215629-45-0(Unlabeled)
  • Stock Status:Enquire
5-Hydroxy Omeprazole-D3
5-Hydroxy Omeprazole-D3
  • CAT. No.CS-T-56217
  • CAS. No.1189882-58-3
  • Stock Status:Enquire
5-Hydroxy Omeprazole-d3 Sodium Salt
5-Hydroxy Omeprazole-d3 Sodium Salt
  • CAT. No.CS-T-99211
  • CAS. No.Not Available
  • Stock Status:Enquire
5-O-Desmethyl Omeprazole-d3
5-O-Desmethyl Omeprazole-d3
  • CAT. No.CS-T-88668
  • CAS. No.1189679-99-9
  • Stock Status:Enquire
5-O-Desmethyl Omeprazole-d3 Sulfide
5-O-Desmethyl Omeprazole-d3 Sulfide
  • CAT. No.CS-T-88826
  • CAS. No.1189968-01-1
  • Stock Status:Enquire
Esomeprazole D3 (benzo[d]imidazole-D3)
Esomeprazole D3 (benzo[d]imidazole-D3)
  • CAT. No.CS-P-08296
  • CAS. No.119141-88-7 (Unlabelled)
  • Stock Status:Enquire
Esomeprazole Sodium D3
Esomeprazole Sodium D3
  • CAT. No.CS-O-06832
  • CAS. No.161796-78-7(Unlabeled)
  • Stock Status:Enquire
Esomeprazole Sodium D6
Esomeprazole Sodium D6
  • CAT. No.CS-O-06833
  • CAS. No.922731-04-2
  • Stock Status:Enquire
Esomeprazole-​D6
Esomeprazole-​D6
  • CAT. No.CS-N-05240
  • CAS. No.922800-06-4
  • Stock Status:Enquire
Esomeprazole-d3 (methoxy-d3)
Esomeprazole-d3 (methoxy-d3)
  • CAT. No.CS-T-94459
  • CAS. No.2182068-27-3
  • Stock Status:In Stock
Esomeprazole-d3 potassium
Esomeprazole-d3 potassium
  • CAT. No.CS-BU-00010
  • CAS. No.119141-88-7 (unlabeled)
  • Stock Status:In Stock
Esomeprazole-d3 Sodium Salt
Esomeprazole-d3 Sodium Salt
  • CAT. No.CS-T-94914
  • CAS. No.2182068-27-3 (Freebase)
  • Stock Status:Enquire
N-(4-Methoxy-3,5-dimethyl-2-pyridinyl)methyl Omeprazole-d3
N-(4-Methoxy-3,5-dimethyl-2-pyridinyl)methyl Omeprazole-d3
  • CAT. No.CS-T-82376
  • CAS. No.1346599-69-6
  • Stock Status:Enquire
N-(4-Methoxy-3,5-dimethyl-2-pyridinyl)methyl Omeprazole-d3 S...
N-(4-Methoxy-3,5-dimethyl-2-pyridinyl)methyl Omeprazole-d3 Sulfide
  • CAT. No.CS-T-80012
  • CAS. No.1346598-97-7
  • Stock Status:Enquire
N-(4-Methoxy-3,5-dimethyl-2-pyridinyl)methyl Omeprazole-d3 S...
N-(4-Methoxy-3,5-dimethyl-2-pyridinyl)methyl Omeprazole-d3 Sulfone
  • CAT. No.CS-T-82704
  • CAS. No.1346603-82-4
  • Stock Status:Enquire
N-Methyl Esomeprazole-d3(Mixture of isomers with the methyla...
N-Methyl Esomeprazole-d3(Mixture of isomers with the methylated nitrogens of imidazole)
  • CAT. No.CS-T-97310
  • CAS. No.Not Available
  • Stock Status:Enquire
N-Methyl Omeprazole-d3(Mixture of isomers with the methylate...
N-Methyl Omeprazole-d3(Mixture of isomers with the methylated nitrogens of imidazole)
  • CAT. No.CS-T-99165
  • CAS. No.Not Available
  • Stock Status:Enquire
Omeprazole Acid-d3 Methyl Ester Sulfide
Omeprazole Acid-d3 Methyl Ester Sulfide
  • CAT. No.CS-T-83258
  • CAS. No.1329797-04-7
  • Stock Status:Enquire
Omeprazole D6
Omeprazole D6
  • CAT. No.CS-O-37776
  • CAS. No.922731-02-0
  • Stock Status:Enquire
Omeprazole N-oxide-d3
Omeprazole N-oxide-d3
  • CAT. No.CS-O-10448
  • CAS. No.176219-04-8 (Unlabeled)
  • Stock Status:Enquire
Omeprazole sulfide-(4-methoxy-D3-Pyridine)
Omeprazole sulfide-(4-methoxy-D3-Pyridine)
  • CAT. No.CS-T-59944
  • CAS. No.922731-00-8
  • Stock Status:Enquire
Omeprazole sulfide-(5-methoxy-d3)
Omeprazole sulfide-(5-methoxy-d3)
  • CAT. No.CS-T-83658
  • CAS. No.922730-98-1
  • Stock Status:Enquire
Omeprazole sulfone D3
Omeprazole sulfone D3
  • CAT. No.CS-O-10447
  • CAS. No.1189891-71-1
  • Stock Status:Enquire
Omeprazole-13C
Omeprazole-13C
  • CAT. No.CS-O-03017
  • CAS. No.1261395-28-1
  • Stock Status:In Stock
Omeprazole-13C, D3 Sulfone N-Oxide
Omeprazole-13C, D3 Sulfone N-Oxide
  • CAT. No.CS-F-00179
  • CAS. No.158812-85-2 (unlabelled)
  • Stock Status:Enquire
Omeprazole-4-methoxy D3
Omeprazole-4-methoxy D3
  • CAT. No.CS-T-59942
  • CAS. No.922731-10-0
  • Stock Status:Enquire
Omeprazole-d3 (5-methoxy-d3)
Omeprazole-d3 (5-methoxy-d3)
  • CAT. No.CS-O-02623
  • CAS. No.922731-01-9
  • Stock Status:In Stock
Omeprazole-d3 (benzimidazole-4,6,7-d3)
Omeprazole-d3 (benzimidazole-4,6,7-d3)
  • CAT. No.CS-ZE-06254
  • CAS. No.934293-92-2
  • Stock Status:Enquire
Omeprazole-D3 Sulfone N-Oxide
Omeprazole-D3 Sulfone N-Oxide
  • CAT. No.CS-F-00058
  • CAS. No.2748468-58-6
  • Stock Status:Enquire
o-Toluoyl-5-hydroxy Omeprazole Sulfide-d3
o-Toluoyl-5-hydroxy Omeprazole Sulfide-d3
  • CAT. No.CS-T-86727
  • CAS. No.1276635-87-0
  • Stock Status:Enquire
S-Deoxy-5-Hydroxy Acetate Omeprazole-d3
S-Deoxy-5-Hydroxy Acetate Omeprazole-d3
  • CAT. No.CS-T-102762
  • CAS. No.Not Available
  • Stock Status:Enquire

API Standards

Esomeprazole
Esomeprazole
  • CAT. No.CS-ED-02296
  • CAS. No.119141-88-7
  • Stock Status:In Stock
Esomeprazole Magnesium
Esomeprazole Magnesium
  • CAT. No.CS-O-30905
  • CAS. No.161973-10-0
  • Stock Status:In Stock
Esomeprazole magnesium trihydrate
Esomeprazole magnesium trihydrate
  • CAT. No.CS-DO-00013
  • CAS. No.217087-09-7
  • Stock Status:In Stock
Esomeprazole potassium
Esomeprazole potassium
  • CAT. No.CS-BU-00007
  • CAS. No.161796-84-5
  • Stock Status:Enquire
Esomeprazole sodium
Esomeprazole sodium
  • CAT. No.CS-O-01460
  • CAS. No.161796-78-7
  • Stock Status:In Stock
Omeprazole
Omeprazole
  • CAT. No.CS-O-10304
  • CAS. No.73590-58-6
  • Stock Status:In Stock
Omeprazole Pellets
Omeprazole Pellets
  • CAT. No.CS-DT-00032
  • CAS. No.Not Available
  • Stock Status:Enquire
Omeprazole Sodium
Omeprazole Sodium
  • CAT. No.CS-O-04924
  • CAS. No.95510-70-6
  • Stock Status:In Stock

Metabolites

(S)-Omeprazole desmethyl impurity
(S)-Omeprazole desmethyl impurity
  • CAT. No.CS-O-47749
  • CAS. No.Not Available
  • Stock Status:Enquire
4-Desmethoxy Omeprazole Sulfide
4-Desmethoxy Omeprazole Sulfide
  • CAT. No.CS-T-16123
  • CAS. No.704910-89-4
  • Stock Status:In Stock
4-Hydroxy Omeprazole
4-Hydroxy Omeprazole
  • CAT. No.CS-T-28123
  • CAS. No.301669-82-9
  • Stock Status:Enquire
4-Hydroxy Omeprazole Sulfide
4-Hydroxy Omeprazole Sulfide
  • CAT. No.CS-T-28117
  • CAS. No.103876-98-8
  • Stock Status:In Stock
5-Hydroxy Esomeprazole
5-Hydroxy Esomeprazole
  • CAT. No.CS-O-32554
  • CAS. No.19648-27-7
  • Stock Status:Enquire
5-O-Desmethyl Omeprazole
5-O-Desmethyl Omeprazole
  • CAT. No.CS-T-16364
  • CAS. No.151602-49-2
  • Stock Status:In Stock
Omeprazole acid sodium salt
Omeprazole acid sodium salt
  • CAT. No.CS-O-30491
  • CAS. No.120003-84-1
  • Stock Status:In Stock
Omeprazole N-Oxide
Omeprazole N-Oxide
  • CAT. No.CS-O-07977
  • CAS. No.176219-04-8
  • Stock Status:In Stock

Impurities

"N-(4-Methoxy-3,5-dimethyl-2-pyridinyl)methyl Omeprazole Sul...
  • CAT. No.CS-T-81597
  • CAS. No.1346599-74-3
  • Stock Status:Enquire
(R) Omeprazole Potassium Salt
(R) Omeprazole Potassium Salt
  • CAT. No.CS-EO-03737
  • CAS. No.161796-81-2
  • Stock Status:Enquire
(S)-5-Hydroxy Omeprazole
(S)-5-Hydroxy Omeprazole
  • CAT. No.CS-T-79065
  • CAS. No.196489-27-7
  • Stock Status:Enquire
2-((5-methoxy-1H benzo(d)imidazol-2-ylthio)methyl)-3,5 dimet...
2-((5-methoxy-1H benzo(d)imidazol-2-ylthio)methyl)-3,5 dimethyl-pyridin-4-ol
  • CAT. No.CS-O-36541
  • CAS. No.Not Available
  • Stock Status:Enquire
2-((5-Methoxy-1H-benzo[d]imidazol-2-yl)methyl)-3,5-dimethylp...
2-((5-Methoxy-1H-benzo[d]imidazol-2-yl)methyl)-3,5-dimethylpyridin-4-ol
  • CAT. No.CS-O-43276
  • CAS. No.Not Available
  • Stock Status:Enquire
2-(5-Methoxy-1H-benzimidazole-2-ylmethyl)-3,5 dimethyl-1H-py...
2-(5-Methoxy-1H-benzimidazole-2-ylmethyl)-3,5 dimethyl-1H-pyridine-4-one
  • CAT. No.CS-O-36542
  • CAS. No.1384163-92-1
  • Stock Status:Enquire
2,2'-(((4-methoxy-3,5-dimethylpyridine-2,6-diyl)bis(methylen...
2,2'-(((4-methoxy-3,5-dimethylpyridine-2,6-diyl)bis(methylene))bis(sulfanediyl))bis(5-methoxy-1H-ben
  • CAT. No.CS-O-35744
  • CAS. No.Not Available
  • Stock Status:Enquire
2-[[(5-methoxy-1H-benzimidazol-2-yl) sulfinyl] methyl]-3, 5-...
2-[[(5-methoxy-1H-benzimidazol-2-yl) sulfinyl] methyl]-3, 5-dimethyl pyridin-4 (1H)-one
  • CAT. No.CS-O-36461
  • CAS. No.2362529-32-4
  • Stock Status:In Stock
3-Hydroxyomeprazole
3-Hydroxyomeprazole
  • CAT. No.CS-ED-02054
  • CAS. No.176219-02-6
  • Stock Status:Enquire
4-Acetyloxy Omeprazole Sulfide
4-Acetyloxy Omeprazole Sulfide
  • CAT. No.CS-T-47058
  • CAS. No.1359829-71-2
  • Stock Status:Enquire
4-Acetyloxy Omeprazole Sulfone
4-Acetyloxy Omeprazole Sulfone
  • CAT. No.CS-T-64306
  • CAS. No.1391054-80-0
  • Stock Status:Enquire
4-Desmethoxy-4-chloro Omeprazole
4-Desmethoxy-4-chloro Omeprazole
  • CAT. No.CS-T-16106
  • CAS. No.863029-89-4
  • Stock Status:In Stock
4-Desmethoxy-4-chloro Omeprazole Sulfide
4-Desmethoxy-4-chloro Omeprazole Sulfide
  • CAT. No.CS-T-16108
  • CAS. No.220757-74-4
  • Stock Status:In Stock
4-Desmethoxy-4-nitro Omeprazole
4-Desmethoxy-4-nitro Omeprazole
  • CAT. No.CS-T-16114
  • CAS. No.317807-10-6
  • Stock Status:In Stock
4-Desmethoxy-4-nitro Omeprazole Sulfide
4-Desmethoxy-4-nitro Omeprazole Sulfide
  • CAT. No.CS-T-16115
  • CAS. No.142885-91-4
  • Stock Status:Enquire
4-Desmethoxy-4-nitro Omeprazole Sulfone
4-Desmethoxy-4-nitro Omeprazole Sulfone
  • CAT. No.CS-T-52188
  • CAS. No.1076199-93-3
  • Stock Status:Enquire
4-Hydroxy Omeprazole Sulfone
4-Hydroxy Omeprazole Sulfone
  • CAT. No.CS-T-28146
  • CAS. No.1346600-70-1
  • Stock Status:Enquire
5-Hydroxy Omeprazole Sulfide
5-Hydroxy Omeprazole Sulfide
  • CAT. No.CS-T-57713
  • CAS. No.103876-99-9
  • Stock Status:Enquire
5-Hydroxyomeprazole sulfone
5-Hydroxyomeprazole sulfone
  • CAT. No.CS-BX-00206
  • CAS. No.151602-51-6
  • Stock Status:Enquire
5-Methoxy-1-methyl-1H-benzimidazole-2-thiol
5-Methoxy-1-methyl-1H-benzimidazole-2-thiol
  • CAT. No.CS-T-96089
  • CAS. No.58764-00-4
  • Stock Status:Enquire
5-O-Desmethyl Omeprazole Sulfide
5-O-Desmethyl Omeprazole Sulfide
  • CAT. No.CS-T-16371
  • CAS. No.103877-02-7
  • Stock Status:Enquire
6-Methoxy-2-(4-methoxy-3,5-dimethyl-2-pyridinyl)-1H-benzimid...
6-Methoxy-2-(4-methoxy-3,5-dimethyl-2-pyridinyl)-1H-benzimidazole
  • CAT. No.CS-O-46125
  • CAS. No.2555002-22-5
  • Stock Status:Enquire
6-methoxy-N-alkyl omeprazole sulphide
6-methoxy-N-alkyl omeprazole sulphide
  • CAT. No.CS-O-44854
  • CAS. No.Not Available
  • Stock Status:Enquire
desmethoxy Esomeprazole impuruty
desmethoxy Esomeprazole impuruty
  • CAT. No.CS-O-42902
  • CAS. No.1432904-84-1 (freebase)
  • Stock Status:Enquire
Desulfoxide 4-Demethyl Omeprazole
Desulfoxide 4-Demethyl Omeprazole
  • CAT. No.CS-T-88918
  • CAS. No.1384163-92-1
  • Stock Status:Enquire
Esomeprazole dihydropyridin methanesulfinicacid
Esomeprazole dihydropyridin methanesulfinicacid
  • CAT. No.CS-O-51834
  • CAS. No.Not Available
  • Stock Status:Enquire
Esomeprazole EP Impurity B
Esomeprazole EP Impurity B
  • CAT. No.CS-T-38031
  • CAS. No.119141-89-8
  • Stock Status:In Stock
Esomeprazole Ether Impurity
Esomeprazole Ether Impurity
  • CAT. No.CS-O-46649
  • CAS. No.Not Available
  • Stock Status:Enquire
Esomeprazole Impurity 1
Esomeprazole Impurity 1
  • CAT. No.CS-O-11885
  • CAS. No.Not Available
  • Stock Status:Enquire
Esomeprazole Impurity 12
Esomeprazole Impurity 12
  • CAT. No.CS-P-08592
  • CAS. No.2101206-66-8
  • Stock Status:In Stock
Esomeprazole Impurity 13
Esomeprazole Impurity 13
  • CAT. No.CS-EO-03541
  • CAS. No.143016-67-5
  • Stock Status:Enquire
Esomeprazole Impurity 16
Esomeprazole Impurity 16
  • CAT. No.CS-O-46323
  • CAS. No.848696-99-1
  • Stock Status:Enquire
Esomeprazole Impurity 24
Esomeprazole Impurity 24
  • CAT. No.CS-O-53631
  • CAS. No.2451927-93-6
  • Stock Status:Enquire
Esomeprazole Impurity 3
Esomeprazole Impurity 3
  • CAT. No.CS-O-35960
  • CAS. No.2819805-13-3
  • Stock Status:Enquire
Esomeprazole Impurity 4
Esomeprazole Impurity 4
  • CAT. No.CS-O-35386
  • CAS. No.1831938-48-7
  • Stock Status:Enquire
Esomeprazole impurity J
Esomeprazole impurity J
  • CAT. No.CS-AQ-00199
  • CAS. No.Not Available
  • Stock Status:Enquire
Esomeprazole magnesium dihydrate
Esomeprazole magnesium dihydrate
  • CAT. No.CS-O-04263
  • CAS. No.217087-10-0
  • Stock Status:In Stock
N-(4-Methoxy-3,5-dimethyl-2-pyridinyl)methyl Omeprazole
N-(4-Methoxy-3,5-dimethyl-2-pyridinyl)methyl Omeprazole
  • CAT. No.CS-T-80106
  • CAS. No.1346599-85-6
  • Stock Status:In Stock
N-Methyl Esomeprazole (Mixture of isomers with the methylate...
N-Methyl Esomeprazole (Mixture of isomers with the methylated nitrogens of imidazole)
  • CAT. No.CS-T-93421
  • CAS. No.1820041-19-7 and 1346240-11-6
  • Stock Status:Enquire
N-Methyl Esomeprazole Isomer-1
N-Methyl Esomeprazole Isomer-1
  • CAT. No.CS-EO-02126
  • CAS. No.1820041-19-7
  • Stock Status:Enquire
N-Methyl Esomeprazole Isomer-1
N-Methyl Esomeprazole Isomer-1
  • CAT. No.CS-O-40472
  • CAS. No.1820041-19-7
  • Stock Status:Enquire
N-Methyl Esomeprazole Isomer-2
N-Methyl Esomeprazole Isomer-2
  • CAT. No.CS-EO-02127
  • CAS. No.1346240-11-6
  • Stock Status:Enquire
N-methyl Omeprazole
N-methyl Omeprazole
  • CAT. No.CS-O-03493
  • CAS. No.89352-76-1+784143-42-6
  • Stock Status:In Stock
N-Methyl Omeprazole (Mixture of isomers with the methylated ...
N-Methyl Omeprazole (Mixture of isomers with the methylated nitrogens of imidazole)
  • CAT. No.CS-T-82743
  • CAS. No.89352-76-1+784143-42-6
  • Stock Status:Enquire
N-Nitroso Esomeprazole
N-Nitroso Esomeprazole
  • CAT. No.CS-O-46450
  • CAS. No.Not Available
  • Stock Status:Enquire
N-Nitroso Omeprazole EP Impurity I
N-Nitroso Omeprazole EP Impurity I
  • CAT. No.CS-EO-03738
  • CAS. No.158812-85-2 (Freebase)
  • Stock Status:Enquire
N-Nitroso Omeprazole sodium
N-Nitroso Omeprazole sodium
  • CAT. No.CS-O-38858
  • CAS. No.Not Available
  • Stock Status:Enquire
N-Nitroso Omeprazole Sulfide
N-Nitroso Omeprazole Sulfide
  • CAT. No.CS-O-42660
  • CAS. No.Not Available
  • Stock Status:Enquire
O,O-Didesmethyl Omeprazole
O,O-Didesmethyl Omeprazole
  • CAT. No.CS-O-30442
  • CAS. No.Not Available
  • Stock Status:Enquire
Omeprazole Acid Methyl Ester Sulfide
Omeprazole Acid Methyl Ester Sulfide
  • CAT. No.CS-T-38048
  • CAS. No.120003-82-9
  • Stock Status:Enquire
Omeprazole dibenzimidazole Impurity
Omeprazole dibenzimidazole Impurity
  • CAT. No.CS-O-50933
  • CAS. No.2451927-89-0
  • Stock Status:In Stock
Omeprazole EP Impurity A
Omeprazole EP Impurity A
  • CAT. No.CS-O-31075
  • CAS. No.37052-78-1
  • Stock Status:In Stock
Omeprazole EP impurity B
Omeprazole EP impurity B
  • CAT. No.CS-T-16121
  • CAS. No.110374-16-8
  • Stock Status:In Stock
Omeprazole EP Impurity F
Omeprazole EP Impurity F
  • CAT. No.CS-EO-00001
  • CAS. No.125656-82-8
  • Stock Status:In Stock
Omeprazole EP impurity F & G Mixture
Omeprazole EP impurity F & G Mixture
  • CAT. No.CS-T-57691
  • CAS. No.125656-82-8+125656-83-9
  • Stock Status:In Stock
Omeprazole EP Impurity G
Omeprazole EP Impurity G
  • CAT. No.CS-O-15599
  • CAS. No.125656-83-9
  • Stock Status:In Stock
Omeprazole EP impurity I
Omeprazole EP impurity I
  • CAT. No.CS-O-10088
  • CAS. No.158812-85-2
  • Stock Status:In Stock
Omeprazole Hydrolysis Impurity
Omeprazole Hydrolysis Impurity
  • CAT. No.CS-O-30490
  • CAS. No.1227380-90-6 (Freebase)
  • Stock Status:In Stock
Omeprazole Hydrolysis Impurity Sodiumsalt
Omeprazole Hydrolysis Impurity Sodiumsalt
  • CAT. No.CS-O-51448
  • CAS. No.Not Available
  • Stock Status:Enquire
Omeprazole Impurity 20
Omeprazole Impurity 20
  • CAT. No.CS-M-25247
  • CAS. No.220770-99-0
  • Stock Status:Enquire
Omeprazole Impurity 24
Omeprazole Impurity 24
  • CAT. No.CS-EO-02779
  • CAS. No.2451927-87-8
  • Stock Status:In Stock
Omeprazole Impurity 25
Omeprazole Impurity 25
  • CAT. No.CS-P-08279
  • CAS. No.1346649-67-9
  • Stock Status:Enquire
Omeprazole Impurity 26
Omeprazole Impurity 26
  • CAT. No.CS-EO-02778
  • CAS. No.2451927-94-7
  • Stock Status:Enquire
Omeprazole Impurity 53
Omeprazole Impurity 53
  • CAT. No.CS-P-09033
  • CAS. No.73590-87-1
  • Stock Status:Enquire
Omeprazole Impurity 63
Omeprazole Impurity 63
  • CAT. No.CS-P-09032
  • CAS. No.149367-83-9
  • Stock Status:Enquire
Omeprazole Impurity 79
Omeprazole Impurity 79
  • CAT. No.CS-P-09103
  • CAS. No.2451927-86-7
  • Stock Status:Enquire
Omeprazole Impurity 8
Omeprazole Impurity 8
  • CAT. No.CS-EO-01157
  • CAS. No.Not Available
  • Stock Status:Enquire
Omeprazole impurity D
Omeprazole impurity D
  • CAT. No.CS-O-10305
  • CAS. No.88546-55-8
  • Stock Status:In Stock
Omeprazole Impurity- K
Omeprazole Impurity- K
  • CAT. No.CS-DN-00023
  • CAS. No.Not Available
  • Stock Status:Enquire
Omeprazole Isomer-2 5-Methoxy -1-[(4-methoxy-3,5-dimethyl-2-...
Omeprazole Isomer-2 5-Methoxy -1-[(4-methoxy-3,5-dimethyl-2-pyridinyl)]-0[2-(4-methoxy-3,5-dimethyl -2-pyridinyl)methyl]-sulfanyl]-1H-banzimidole
  • CAT. No.CS-O-45208
  • CAS. No.2101206-41-9
  • Stock Status:Enquire
Omeprazole N-Methyl 5-Methoxy Analog
Omeprazole N-Methyl 5-Methoxy Analog
  • CAT. No.CS-O-58148
  • CAS. No.89352-76-1
  • Stock Status:Enquire
Omeprazole O-hydrogen sulfite
Omeprazole O-hydrogen sulfite
  • CAT. No.CS-O-48936
  • CAS. No.Not Available
  • Stock Status:Enquire
Omeprazole pyridine impurity
Omeprazole pyridine impurity
  • CAT. No.CS-O-53630
  • CAS. No.Not Available
  • Stock Status:Enquire
Omeprazole Pyridone Acid
Omeprazole Pyridone Acid
  • CAT. No.CS-O-59094
  • CAS. No.1227380-90-6
  • Stock Status:Enquire
Omeprazole Related Compound 5
Omeprazole Related Compound 5
  • CAT. No.CS-P-02452
  • CAS. No.86604-79-7
  • Stock Status:In Stock
Omeprazole Related Compound 7
Omeprazole Related Compound 7
  • CAT. No.CS-P-02230
  • CAS. No.91219-90-8
  • Stock Status:In Stock
Omeprazole sulfide 5-carboxylic acid
Omeprazole sulfide 5-carboxylic acid
  • CAT. No.CS-BX-00208
  • CAS. No.103877-00-5
  • Stock Status:Enquire
Omeprazole Sulfide N1-Methyl 5-Methoxy Analog
Omeprazole Sulfide N1-Methyl 5-Methoxy Analog
  • CAT. No.CS-EO-02812
  • CAS. No.2243644-60-0
  • Stock Status:Enquire
Omeprazole  EP Impurity C
Omeprazole  EP Impurity C
  • CAT. No.CS-O-31176
  • CAS. No.73590-85-9
  • Stock Status:In Stock
Omeprazole-13C, D3 Sulfide
Omeprazole-13C, D3 Sulfide
  • CAT. No.CS-F-00177
  • CAS. No.73590-85-9 (unlabelled)
  • Stock Status:Enquire
Omeprazole-13C, D3 Sulfone
Omeprazole-13C, D3 Sulfone
  • CAT. No.CS-F-00178
  • CAS. No.1261393-28-5
  • Stock Status:Enquire
Omeprazole-N-(S)-camphorsulfonamide
Omeprazole-N-(S)-camphorsulfonamide
  • CAT. No.CS-T-83321
  • CAS. No.869087-33-2
  • Stock Status:Enquire
o-Toluoyl-5-hydroxy Omeprazole Sulfide
o-Toluoyl-5-hydroxy Omeprazole Sulfide
  • CAT. No.CS-T-62132
  • CAS. No.120003-78-3
  • Stock Status:Enquire

EP Standards

Esomeprazole sodium (Y0002075)
Esomeprazole sodium (Y0002075)
  • CAT. No.CS-EG-00680
  • CAS. No.161796-78-7
  • Stock Status:Enquire
Omeprazole (O0150000)
Omeprazole (O0150000)
  • CAT. No.CS-EG-00978
  • CAS. No.73590-58-6
  • Stock Status:In Stock
Omeprazole for peak identification (Y0001042)
Omeprazole for peak identification (Y0001042)
  • CAT. No.CS-EG-00613
  • CAS. No.73590-58-6
  • Stock Status:Enquire
Omeprazole impurity D (O0151000)
Omeprazole impurity D (O0151000)
  • CAT. No.CS-EG-00983
  • CAS. No.88546-55-8
  • Stock Status:In Stock

Intermediates

1-N-Methyl Omeprazole
1-N-Methyl Omeprazole
  • CAT. No.CS-T-82420
  • CAS. No.784143-42-6
  • Stock Status:In Stock
2-(hydroxymethyl)-3,5-dimethylpyridin-4-ol
2-(hydroxymethyl)-3,5-dimethylpyridin-4-ol
  • CAT. No.CS-O-52086
  • CAS. No.727375-13-5
  • Stock Status:Enquire
2-Chloromethyl-4-methoxy-3,5-dimethyl pyridine HCL
2-Chloromethyl-4-methoxy-3,5-dimethyl pyridine HCL
  • CAT. No.CS-O-31339
  • CAS. No.86604-75-3
  • Stock Status:In Stock
4’-Desmethoxy Omeprazole
4’-Desmethoxy Omeprazole
  • CAT. No.CS-T-90105
  • CAS. No.73590-60-0
  • Stock Status:In Stock
4-Acetyloxy Omeprazole
4-Acetyloxy Omeprazole
  • CAT. No.CS-T-47348
  • CAS. No.1246814-65-2
  • Stock Status:Enquire
5-Benzyloxy Omeprazole
5-Benzyloxy Omeprazole
  • CAT. No.CS-T-06127
  • CAS. No.1215799-39-5
  • Stock Status:Enquire
5-Hydroxy Omeprazole
5-Hydroxy Omeprazole
  • CAT. No.CS-T-27949
  • CAS. No.92340-57-3
  • Stock Status:Enquire
5-Hydroxy Omeprazole Sodium Salt
5-Hydroxy Omeprazole Sodium Salt
  • CAT. No.CS-T-28124
  • CAS. No.1215629-45-0
  • Stock Status:Enquire
Omeprazole Acid Methyl Ester
Omeprazole Acid Methyl Ester
  • CAT. No.CS-T-38047
  • CAS. No.120003-83-0
  • Stock Status:Enquire
Omeprazole Magnesium
Omeprazole Magnesium
  • CAT. No.CS-O-10930
  • CAS. No.95382-33-5
  • Stock Status:Enquire
Omeprazole Sulfide Hydrochloride
Omeprazole Sulfide Hydrochloride
  • CAT. No.CS-T-38052
  • CAS. No.220757-75-5
  • Stock Status:Enquire
o-Toluoyl-5-hydroxy Omeprazole
o-Toluoyl-5-hydroxy Omeprazole
  • CAT. No.CS-T-62131
  • CAS. No.120003-79-4
  • Stock Status:Enquire

Fine Chemicals

Esomeprazole (magnesium salt)
Esomeprazole (magnesium salt)
  • CAT. No.CS-ZE-04618
  • CAS. No.1198768-91-0
  • Stock Status:Enquire
Esomeprazole Impurity 17
Esomeprazole Impurity 17
  • CAT. No.CS-O-34604
  • CAS. No.2572712-50-4
  • Stock Status:Enquire