| Product name: | Ribavirin |
| Molecular Formula: | C8H12N4O5 |
| Molecular Structure: |  |
| Molecular Weight: | 244.2 |
| CAS No.: | 36791-04-5 |
Description
Ribavirin is a white or almost white, crystalline powder. It is freely soluble in water, slightly soluble in ethanol (96 per cent), slightly soluble or very slightly soluble in methylene chloride. It shows polymorphism.
Application
Ribavirin is a broad-spectrum nucleoside antiviral drug. It can be used for influenza, pediatric adenovirus pneumonia, viral hepatitis, respiratory syncytial virus infection, acute keratitis, conjunctivitis, epidemic hemorrhagic herpes, etc.
Specification
| Appearance | White or almost white, crystalline powder. |
| PH | 4.0 - 6.5 |
| Specific optical rotation | −33° to −37° |
| Heavy metals | ≤10 ppm |
| Loss on drying | ≤0.5% |
| Sulfated ash | ≤0.1% |
| Related substances: | |
| 1-β-D-ribofuranosyl-1H-1,2,4-triazole-3-carboxylic acid | ≤0.2% |
| Unspecified impurities | ≤0.10% |
| Total impurities | ≤0.3% |
| Assay | 98.0%-102.0% |
Packing and Storage
Preserve in tight, light-resistant containers.
Minimum Order
One package
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