Favipiravir
法匹拉韦
Also known as: 6-Fluoro-3-hydroxypyrazine-2-carboxamide, 6-Fluoro-3,4-dihydro-3-oxo-2-pyrazinecarboxamide, 5-fluoro-2-oxo-1H-pyrazine-3-carboxamide, 6-fluoro-3-oxo-3,4-dihydropyrazine-2-carboxamide, Avigan, T-705, 2-Pyrazinecarboxamide, 6-fluoro-3-hydroxy-, 6-fluoro-3,4-dihydro-3-oxo-Pyrazinecarboxamide, 6-fluoro-3-hydroxy-2-pyrazinecarboxamide, EW5GL2X7E0
Favipiravir (CAS 259793-96-9) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C5H4FN3O2 and a molecular weight of 157.103 g/mol. It is also known as 6-Fluoro-3-hydroxypyrazine-2-carboxamide, 6-Fluoro-3,4-dihydro-3-oxo-2-pyrazinecarboxamide and 5-fluoro-2-oxo-1H-pyrazine-3-carboxamide. Key properties include a melting point of 192 °C, a boiling point of 552.6±50.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 288.0±30.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 259793-96-9
- Jingsj CID
- J-1974650-2
- Molecular Formula
- C5H4FN3O2
- Chinese Name
- 法匹拉韦
- Molecular Weight
- 157.103 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 192 °C |
|---|---|
| Boiling Point | 552.6±50.0 °C at 760 mmHg |
| Density | 1.6±0.1 g/cm3 |
| Flash Point | 288.0±30.1 °C |
Frequently Asked Questions
What is the CAS number of Favipiravir?
The CAS number of Favipiravir is 259793-96-9.
What are the molecular formula and molecular weight of Favipiravir?
Favipiravir has molecular formula C5H4FN3O2 and molecular weight 157.103 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Favipiravir (CAS 259793-96-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1974650-2 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.