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.
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
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 5-Hydroxy Acetate Omeprazole-d3 | Stable Isotopes | CS-T-99223 | Not Available | Enquire |
| 5-Hydroxy Omeprazole-d3 Sodium Salt | Stable Isotopes | CS-T-99211 | Not Available | Enquire |
| Esomeprazole D3 (benzo[d]imidazole-D3) | Stable Isotopes | CS-P-08296 | 119141-88-7 (Unlabelled) | Enquire |
| Esomeprazole-D6 | Stable Isotopes | CS-N-05240 | 922800-06-4 | Enquire |
| Esomeprazole-d3 (methoxy-d3) | Stable Isotopes | CS-T-94459 | 2182068-27-3 | Enquire |
| Esomeprazole-d3 potassium | Stable Isotopes | CS-BU-00010 | 119141-88-7 (unlabeled) | In Stock |
| Esomeprazole-d3 Sodium Salt | Stable Isotopes | CS-T-94914 | 2182068-27-3 (Freebase) | Enquire |
| N-Methyl Esomeprazole-d3(Mixture of isomers with the methyla... | Stable Isotopes | CS-T-97310 | Not Available | Enquire |
| N-Methyl Omeprazole-d3(Mixture of isomers with the methylate... | Stable Isotopes | CS-T-99165 | Not Available | Enquire |
| Omeprazole sulfide-(4-methoxy-D3-Pyridine) | Stable Isotopes | CS-T-59944 | 922731-00-8 | Enquire |
| Omeprazole-13C, D3 Sulfide | Stable Isotopes | CS-F-00177 | 73590-85-9 (unlabelled) | Enquire |
| Omeprazole-13C, D3 Sulfone | Stable Isotopes | CS-F-00178 | 1261393-28-5 | Enquire |
| Omeprazole-13C, D3 Sulfone N-Oxide | Stable Isotopes | CS-F-00179 | 158812-85-2 (unlabelled) | Enquire |
| Omeprazole-13C,d3 | Stable Isotopes | CS-O-03017 | 1261395-28-1 | In Stock |
| Omeprazole-d3 (5-methoxy-d3) | Stable Isotopes | CS-O-02623 | 922731-01-9 | In Stock |
| Omeprazole-d3 (benzimidazole-4,6,7-d3) | Stable Isotopes | CS-ZE-06254 | 934293-92-2 | Enquire |
| Omeprazole-D3 sodium | Stable Isotopes | CS-O-46956 | 95510-70-6(Unlabelled) | Enquire |
| Omeprazole-D3 Sulfone N-Oxide | Stable Isotopes | CS-F-00058 | 2748468-58-6 | Enquire |
| S-Deoxy-5-Hydroxy Acetate Omeprazole-d3 | Stable Isotopes | CS-T-102762 | Not Available | Enquire |
API
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Esomeprazole | API | CS-ED-02296 | 119141-88-7 | In Stock |
| Esomeprazole Magnesium | API | CS-O-30905 | 161973-10-0 | In Stock |
| Esomeprazole magnesium dihydrate | API | CS-O-04263 | 217087-10-0 | In Stock |
| Esomeprazole magnesium trihydrate | API | CS-DO-00013 | 217087-09-7 | In Stock |
| Omeprazole Sodium | API | CS-O-04924 | 95510-70-6 | In Stock |
| Omeprazole Pellets | API | CS-DT-00032 | Not Available | Enquire |
Metabolite
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| (S)-Omeprazole desmethyl impurity | Metabolite | CS-O-47749 | Not Available | Enquire |
| 4-Desmethoxy Omeprazole Sulfide | Metabolite | CS-T-16123 | 704910-89-4 | In Stock |
| Omeprazole N-Oxide | Metabolite | CS-O-07977 | 176219-04-8 | In Stock |
Impurity
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| (R) Omeprazole Potassium Salt | Impurity | CS-EO-03737 | 161796-81-2 | Enquire |
| 2-((5-Methoxy-1H-benzo[d]imidazol-2-yl)methyl)-3,5-dimethylp... | Impurity | CS-O-43276 | Not Available | Enquire |
| 3,4-Diaminoanisole | Impurity | CS-T-16825 | 102-51-2 | In Stock |
| 3-Hydroxyomeprazole | Impurity | CS-ED-02054 | 176219-02-6 | Enquire |
| 4-Desmethoxy-4-chloro Omeprazole | Impurity | CS-T-16106 | 863029-89-4 | In Stock |
| 4-Desmethoxy-4-chloro Omeprazole Sulfide | Impurity | CS-T-16108 | 220757-74-4 | In Stock |
| 4-Desmethoxy-4-nitro Omeprazole | Impurity | CS-T-16114 | 317807-10-6 | In Stock |
| 6-Methoxy-2-(4-methoxy-3,5-dimethyl-2-pyridinyl)-1H-benzimid... | Impurity | CS-O-46125 | 2555002-22-5 | Enquire |
| 6-methoxy-N-alkyl omeprazole sulphide | Impurity | CS-O-44854 | Not Available | Enquire |
| desmethoxy Esomeprazole impuruty | Impurity | CS-O-42902 | 1432904-84-1 (freebase) | Enquire |
| Esomeprazole dihydropyridin methanesulfinicacid | Impurity | CS-O-51834 | ---- | Enquire |
| Esomeprazole EP Impurity B | Impurity | CS-T-38031 | 119141-89-8 | In Stock |
| Esomeprazole Ether Impurity | Impurity | CS-O-46649 | Not Available | Enquire |
| Esomeprazole Impurity 12 | Impurity | CS-P-08592 | 2101206-66-8 | In Stock |
| Esomeprazole Impurity 13 | Impurity | CS-EO-03541 | 143016-67-5 | Enquire |
| Esomeprazole Impurity 16 | Impurity | CS-O-46323 | 848696-99-1 | Enquire |
| Esomeprazole Impurity 17 | Impurity | CS-O-34604 | 2572712-50-4 | Enquire |
| Esomeprazole Impurity 2 | Impurity | CS-O-35962 | 2512216-37-2 | Enquire |
| Esomeprazole Impurity 24 | Impurity | CS-O-53631 | 2451927-93-6 | Enquire |
| Esomeprazole Impurity 3 | Impurity | CS-O-35960 | 2819805-13-3 | Enquire |
| Esomeprazole Impurity 4 | Impurity | CS-O-35386 | 1831938-48-7 | Enquire |
| Esomeprazole Impurity 5 | Impurity | CS-P-09014 | Not Available | Enquire |
| N-(4-Methoxy-3,5-dimethyl-2-pyridinyl)methyl Omeprazole | Impurity | CS-T-80106 | 1346599-85-6 | In Stock |
| N-Methyl Esomeprazole Isomer-1 | Impurity | CS-EO-02126 | 1820041-19-7 | Enquire |
| N-Methyl Esomeprazole Isomer-2 | Impurity | CS-EO-02127 | 1346240-11-6 | Enquire |
| N-methyl Omeprazole | Impurity | CS-O-03493 | 89352-76-1+784143-42-6 | In Stock |
| Omeprazole dibenzimidazole Impurity | Impurity | CS-O-50933 | 2451927-89-0 | In Stock |
| Omeprazole Dihydroxy methyl impurity | Impurity | CS-O-52064 | Not Available | Enquire |
| Omeprazole Dimer Impurity | Impurity | CS-O-35744 | Not Available | Enquire |
| Omeprazole EP Impurity A | Impurity | CS-O-31075 | 37052-78-1 | In Stock |
| Omeprazole EP impurity B | Impurity | CS-T-16121 | 110374-16-8 | In Stock |
| Omeprazole EP Impurity F | Impurity | CS-EO-00001 | 125656-82-8 | In Stock |
| Omeprazole EP Impurity G | Impurity | CS-O-15599 | 125656-83-9 | In Stock |
| Omeprazole EP impurity I | Impurity | CS-O-10088 | 158812-85-2 | In Stock |
| Omeprazole Hydrolysis Impurity | Impurity | CS-O-30490 | 1227380-90-6 (Freebase) | Enquire |
| Omeprazole Hydrolysis Impurity Sodiumsalt | Impurity | CS-O-51448 | Not Available | Enquire |
| Omeprazole impurity (DIMER Mixture) | Impurity | CS-O-43334 | Not Available | Enquire |
| Omeprazole Impurity 20 | Impurity | CS-M-25247 | 220770-99-0 | Enquire |
| Omeprazole Impurity 24 | Impurity | CS-EO-02779 | 2451927-87-8 | In Stock |
| Omeprazole Impurity 26 | Impurity | CS-EO-02778 | 2451927-94-7 | Enquire |
| Omeprazole Impurity 47 | Impurity | CS-O-60241 | ---- | Enquire |
| Omeprazole Impurity 60 | Impurity | CS-ED-02436 | Not Available | Enquire |
| Omeprazole Impurity 79 | Impurity | CS-P-09103 | 2451927-86-7 | Enquire |
| Omeprazole Impurity 8 | Impurity | CS-EO-01157 | Not Available | Enquire |
| Omeprazole Isomer-2 5-Methoxy -1-[(4-methoxy-3,5-dimethyl-2-... | Impurity | CS-O-45208 | 2101206-41-9 | Enquire |
| Omeprazole N-Methyl 5-Methoxy Analog | Impurity | CS-O-58148 | 89352-76-1 | Enquire |
| Omeprazole O-hydrogen sulfite | Impurity | CS-O-48936 | ---- | Enquire |
| Omeprazole oxa impurity | Impurity | CS-O-45782 | 2451927-88-9 | Enquire |
| Omeprazole pyridine impurity | Impurity | CS-O-53630 | ---- | Enquire |
| Omeprazole Pyridone Acid Ammonium | Impurity | CS-O-60407 | 2227107-89-1 | Enquire |
| Omeprazole Related Compound 7 | Impurity | CS-P-02230 | 91219-90-8 | In Stock |
| Omeprazole Sulfide N1-Methyl 5-Methoxy Analog | Impurity | CS-EO-02812 | 2243644-60-0 | Enquire |
| 2-((5-methoxy-1H benzo(d)imidazol-2-ylthio)methyl)-3,5 dimet... | Impurity | CS-O-36541 | Not Available | Enquire |
| 4-Methoxy-3,5-dimethylpyridine 1-Oxide | Impurity | CS-T-32327 | 91219-89-5 | Enquire |
| 5-Hydroxy Omeprazole Sulfide | Impurity | CS-T-57713 | 103876-99-9 | Enquire |
| 5-O-Desmethyl Omeprazole Sulfide | Impurity | CS-T-16371 | 103877-02-7 | Enquire |
| Esomeprazole Impurity 1 | Impurity | CS-O-11885 | Not Available | Enquire |
| N-(4-Methoxy-3,5-dimethyl-2-pyridinyl)methyl Omeprazole Sulf... | Impurity | CS-T-81597 | 1346599-74-3 | Enquire |
| Omeprazole Impurity 53 | Impurity | CS-P-09033 | 73590-87-1 | Enquire |
| Omeprazole Impurity 63 | Impurity | CS-P-09032 | 149367-83-9 | Enquire |
Intermediate
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 1H-Benzo imidazole-2-thiol | Intermediate | CS-O-31883 | 583-39-1 | In Stock |
| 2-(hydroxymethyl)-3,5-dimethylpyridin-4-ol | Intermediate | CS-O-52086 | 727375-13-5 | Enquire |
| 2,3-Dimethylpyridine | Intermediate | CS-DA-00539 | 583-61-9 | In Stock |
Fine Chemicals
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Esomeprazole (magnesium salt) | Fine Chemicals | CS-ZE-04618 | 1198768-91-0 | Enquire |
Nitrosamine
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| N-Nitroso Esomeprazole | Nitrosamine | CS-O-46450 | Not Available | Enquire |
| N-Nitroso Omeprazole EP Impurity I | Nitrosamine | CS-EO-03738 | 158812-85-2 (Freebase) | Enquire |
| N-Nitroso Omeprazole sodium | Nitrosamine | CS-O-38858 | Not Available | Enquire |
| N-Nitroso Omeprazole Sulfide | Nitrosamine | CS-O-42660 | Not Available | Enquire |
Therapeutic
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 2-Chloromethyl-4-methoxy-3,5-dimethyl pyridine HCL | Therapeutic | CS-O-31339 | 86604-75-3 | In Stock |
| Omeprazole | Therapeutic | CS-O-10304 | 73590-58-6 | In Stock |
| Omeprazole EP Impurity D | Therapeutic | CS-O-10305 | 88546-55-8 | In Stock |
| Omeprazole Related Compound 5 | Therapeutic | CS-P-02452 | 86604-79-7 | In Stock |
| Omeprazole Related Compound A (R022U1) | Therapeutic | CS-EB-01528 | 88546-55-8 | Enquire |
| Omeprazole Related Compound A(Secondary Standards traceble t... | Therapeutic | CS-ER-01520 | 88546-55-8 | Enquire |
| Omeprazole EP Impurity C | Therapeutic | CS-O-31176 | 73590-85-9 | In Stock |
Chiral
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| (R)-Omeprazole Sodium | Chiral | CS-O-11179 | 161796-77-6 | In Stock |