Ribavirin
Also known as: Virazole, Rebetol, Copegus, Tribavirin, RTCA, 1-β-D-Ribofuranosyl-1,2,4-triazole-3-carboxamide, 1-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl]-1H-1,2,4-triazole-3-carboxamide, 1-β-D-ribofuranosyl-1H-1,2,4-triazole-3-carboxamide, Virazid, Vilona
Ribavirin (CAS 36791-04-5) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C8H12N4O5 and a molecular weight of 244.205 g/mol. Key properties include a melting point of 174-176°C, a boiling point of 639.8±65.0 °C at 760 mmHg, a density of 2.1±0.1 g/cm3 and a flash point of 340.7±34.3 °C. It is classified under GHS with signal word Danger and hazard statements H360 — May damage fertility or the unborn child. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 36791-04-5
- Jingsj CID
- J-27702-1
- Molecular Formula
- C8H12N4O5
- Molecular Weight
- 244.205 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 174-176°C |
|---|---|
| Boiling Point | 639.8±65.0 °C at 760 mmHg |
| Density | 2.1±0.1 g/cm3 |
| Flash Point | 340.7±34.3 °C |
| Exact Mass | 244.080765 |
| PSA | 143.72000 |
| LogP | -2.26 |
| Vapor Pressure | 0.0±2.0 mmHg at 25°C |
| Refractive Index | 1.823 |
| Additional Property | >=10 G/100 ML AT 19 ºC |
GHS Safety & Compliance
- H360 — May damage fertility or the unborn child
Activity & Biological Data
| Additional Information | [1]. Abdel-Hamid NM, et al. Synergistic Effects of Jerusalem Artichoke in Combination with Pegylated Interferon Alfa-2a and Ribavirin Against Hepatic Fibrosis in Rats. Asian Pac J Cancer Prev. 2016;17(4):1979-85. [2]. Refaat B, et al. The effects of pegylated interferon-α and ribavirin on liver and serum concentrations of activin-A and follistatin in normal Wistar rat: a preliminary report. BMC Res Notes. 2015 Jun 26;8:265 [3]. Savic D, et al. Ribavirin shows immunomodulatory effects on activated microglia. Immunopharmacol Immunotoxicol. 2014 Dec;36(6):433-41 [4]. Chang J, et al. Combination of α-glucosidase inhibitor and ribavirin for the treatment of dengue virus infection in vitro and in vivo. Antiviral Res. 2011 Jan;89(1):26-34 |
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Customs & Trade Information
| HS Code | 2933290090 |
|---|---|
| Summary | 2933290090. other compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of Ribavirin?
The CAS number of Ribavirin is 36791-04-5.
What are the molecular formula and molecular weight of Ribavirin?
Ribavirin has molecular formula C8H12N4O5 and molecular weight 244.205 g/mol.
Is Ribavirin hazardous?
Ribavirin has GHS signal word Danger and hazard statements H360 — May damage fertility or the unborn child.
What are the upstream and downstream products of Ribavirin?
For Ribavirin, Upstream Products: Methyl 1-β-D-ribofuranosyl-1H-1,2,4-triazole-3-carboxylate, 2H-1,2,4-Triazole-3-carboxamide, Guanosine; Downstream Products: 2H-1,2,4-Triazole-3-carboxamide.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Ribavirin (CAS 36791-04-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-27702-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.