Esomeprazole sodium EP impurities
| Product Name | CAS No. | Structure |
| 5-methoxy-1H-benzimidazole-2-thiol | 37052-78-1 |  |
| 4-Desmethoxy Omeprazole; 2-[(RS)-[(3,5-Dimethylpyridin-2-yl)methyl]sulphinyl]-5-methoxy-1H-benz-imidazole | 110374-16-8 |  |
| 5-methoxy-2-(((4-methoxy-3,5-dimethylpyridin-2-yl)methyl)sulphanyl)-1H-benzimidazole | 73590-85-9 |  |
| 5-methoxy-2-(((4-methoxy-3,5-dimethylpyridin-2-yl)methyl)sulphonyl)-1H-benzimidazole | 88546-55-8 |  |
| 4-methoxy-2-(((5-methoxy-1H-benzimidazole-2-yl)sulphinyl)methyl) -3,5-dimethylpyridine 1-oxide | 176219-04-8 |  |
| (R)-omeprazole | 119141-89-8 |  |