| Product Name | Omeprazole |
|---|---|
| CAS Number | 73590-58-6 |
| Molecular Formula | C17H19N3O3S |
| Molecular Weight | 345.42 |
| Appearance | White to off-white crystalline powder |
| Assay (HPLC) | ≥99.0% |
| Loss on Drying | ≤0.5% |
| Residue on Ignition | ≤0.1% |
| Heavy Metals | ≤10 ppm |
| Melting Point | 156°C (with decomposition) |
| Specific Rotation | Not applicable (racemic) |
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Omeprazole, also known as H 16868, Losec, Prilosec, and Mopral, is a widely used proton pump inhibitor (PPI). It has been the go-to choice for managing acid-related disorders for decades, and its effectiveness in treating GERD and peptic ulcers is well established.
Omeprazole works by irreversibly blocking the H+/K+-ATPase enzyme in gastric parietal cells, which shuts down acid secretion at the final step. That means faster symptom relief and better healing for patients. For manufacturers, this translates into a reliable, high-demand API for both prescription and OTC formulations.