Favipiravir

CAS Registry Number®

259793-96-9

CAS Name

Favipiravir

Molecular Formula

C5H4FN3O2

Molecular Mass

157.10

Cite this Page

Favipiravir.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=259793-96-9 (retrieved 2025-03-28) (CAS RN: 259793-96-9).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    176-178 °C

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C5H4FN3O2/c6-2-1-8-5(11)3(9-2)4(7)10/h1H,(H2,7,10)(H,8,11)

InChIKey

InChIKey=ZCGNOVWYSGBHAU-UHFFFAOYSA-N

SMILES

C(N)(=O)C=1C(=O)NC=C(F)N1

Canonical SMILES

O=C(N)C1=NC(F)=CNC1=O

Other Names for this Substance

  • 2-Pyrazinecarboxamide, 6-fluoro-3,4-dihydro-3-oxo-
  • Pyrazinecarboxamide, 6-fluoro-3,4-dihydro-3-oxo-
  • 6-Fluoro-3,4-dihydro-3-oxo-2-pyrazinecarboxamide
  • 6-Fluoro-3-hydroxy-2-pyrazinecarboxamide
  • T 705

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