| Product name: | Piroxicam |
| Molecular Formula: | C15H13N3O4S |
| Molecular Structure: |  |
| Molecular Weight: | 331.4 |
| CAS No.: | 36322-90-4 |
Description
Piroxicam is a white or slightly yellow, crystalline powder. It is practically insoluble in water, soluble in methylene chloride, slightly soluble in anhydrous ethanol. It shows polymorphism.
Application
Piroxicam is used for the treatment of rheumatic and rheumatoid arthritis, with obvious analgesic, anti-inflammatory and certain swelling effects.
Specification
| Appearance | White or slightly yellow, crystalline powder. |
| Heavy metals | ≤ 20ppm |
| Loss on drying | ≤0.5% |
| Sulfated ash | ≤0.1% |
| Related substances: | |
| Pyridin-2-amine | ≤0.2% |
| 4-hydroxy-N-(pyridin-2-yl)-2H-1,2-benzothiazine-3-carboxamide 1,1-dioxide | ≤0.2% |
| Methyl(1,1-dioxido-3-oxo-1,2-benzisothiazol-2(3H)-yl)acetate | ≤0.2% |
| Methyl4-hydroxy-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide | ≤0.2% |
| Methyl4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide | ≤0.2% |
| Unspecified impurities | ≤0.10% |
| Total impurities | ≤0.4% |
| Assay | 98.5%-101.0% |
Packing and Storage
Preserve in tight, light-resistant container.
Minimum Order
One package
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