Shandong Huashang Chemical Co., Ltd. is a high-tech enterprise specializing in the research and development, manufacturing, and sales of fine chemicals. Headquartered in Jinan, Shandong, China, we are committed to delivering high-quality products to our global partners. Currently, over 90% of our products are exported to developed markets, including North America, Europe, Japan, South Korea, and the Middle East.
Basic Information
Product Name: Ribavirin
Alias: Virazole; 1-β-D-Ribofuranosyl-1H-1,2,4-triazole-3-carboxamide
CAS No.: 36791-04-5
EINECS No.: 253-212-9
Molecular Formula: C8H12N4O5
Molecular Weight: 244.21 g/mol
Classification: Nucleoside antiviral API; Pharmaceutical raw material; Antiviral intermediate
Physical & Chemical Properties
Appearance: White crystalline powder
Melting Point: 166-168 ℃
Solubility: Soluble in water; slightly soluble in ethanol; insoluble in organic solvents
Stability: Stable under normal temperature; light and moisture sensitive; sealed dry storage
Specification Table
| Item | Specification | Unit | Remarks |
| Product Name | Ribavirin | — | Virazole |
| CAS Number | 36791-04-5 | — | Antiviral pharmaceutical API |
| Appearance | White crystalline powder | — | Odorless |
| Molecular Formula | C8H12N4O5 | — | Nucleoside compound |
| Molecular Weight | 244.21 | g/mol | — |
| Melting Point | 166-168 | ℃ | Lit. |
| Purity | ≥99.0 | % | HPLC |
Main Uses
- Broad-spectrum antiviral drug, inhibiting multiple RNA and DNA viruses
- Clinically used for respiratory tract virus infection, hepatitis virus and skin viral diseases
- Raw material for tablet, injection and oral liquid pharmaceutical preparations
- Used as intermediate and research reagent in antiviral drug synthesis
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