| Product name: | Omeprazole |
| Molecular Formula: | C17H19N3O3S |
| Molecular Structure: |  |
| Molecular Weight: | 345.4 |
| CAS No.: | 73590-58-6 |
Description
Omeprazole is a white or almost white powder. It is very slightly soluble in water, soluble in methylene chloride, sparingly soluble in ethanol (96 per cent) and in methanol. It dissolves in dilute solutions of alkali hydroxides. It shows polymorphism.
Application
Omeprazole is s suitable for the treatment of benign gastric ulcer, duodenal ulcer, anastomotic ulcer, reflux esophagitis, etc.
Specification
| Appearance | White or almost white powder. |
| Appearance of solution | Meets the requirements. |
| Chloroform | ≤100 ppm |
| Methylene chloride | ≤50 ppm |
| Heavy metals | ≤0.002% |
| Loss on drying | ≤0.2% |
| Sulfated ash | ≤0.1% |
| Impurities F and G | ≤350 ppm |
| Related substances: | |
| Omeprazole sulfone | ≤0.15% |
| 4-methoxy-2-[[(RS)-(5-methoxy-1H-benzimidazol-2-yl)sulfinyl]methyl]-3,5-dimethylpyridine 1-oxide | ≤0.15% |
| Unspecified impurities | ≤0.10% |
| Total impurities | ≤0.5% |
| Assay | 99.0%-101.0% |
Packing and Storage
Preserve in an airtight container, protected from light, at a temperature of 2 °C to 8 °C.
Minimum Order
One package
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