Pyrazinecarboxamide, 5-fluoro-3,4-dihydro-3-oxo- (9CI)

5-氟-3-氧代-3,4-二氢吡嗪-2-羧酰胺

Also known as: 2-Pyrazinecarboxamide, 5-fluoro-3,4-dihydro-3-oxo-, 5-Fluoro-3,4-dihydro-3-oxo-pyrazinecarboxamide, Favipiravir 5-Fluoro Analog, Favipiravir Impurity 37

Pyrazinecarboxamide, 5-fluoro-3,4-dihydro-3-oxo- (9CI) (CAS 259794-01-9) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C5H4FN3O2 and a molecular weight of 157.10300 g/mol. It is also known as 2-Pyrazinecarboxamide, 5-fluoro-3,4-dihydro-3-oxo-, 5-Fluoro-3,4-dihydro-3-oxo-pyrazinecarboxamide and Favipiravir 5-Fluoro Analog. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 259794-01-9
Jingsj CID: J-1509643-8
Molecular Formula: C₅H₄FN₃O₂
Chinese Name: 5-氟-3-氧代-3,4-二氢吡嗪-2-羧酰胺
Molecular Weight: 157.10300 g/mol
Category: Organic Bases
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of Pyrazinecarboxamide, 5-fluoro-3,4-dihydro-3-oxo- (9CI)?

The CAS number of Pyrazinecarboxamide, 5-fluoro-3,4-dihydro-3-oxo- (9CI) is 259794-01-9.

What are the molecular formula and molecular weight of Pyrazinecarboxamide, 5-fluoro-3,4-dihydro-3-oxo- (9CI)?

Pyrazinecarboxamide, 5-fluoro-3,4-dihydro-3-oxo- (9CI) has molecular formula C5H4FN3O2 and molecular weight 157.10300 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "Pyrazinecarboxamide, 5-fluoro-3,4-dihydro-3-oxo- (9CI) (CAS 259794-01-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1509643-8 (accessed 2026-10-24).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.