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CAS Number: 259793-96-9
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CAS Number
259793-96-9
PubChem CID
492405
Molecular Formula
C5H4FN3O2
Molecular Weight
157.1 g/mol
Exact Mass
157.028755
InChIKey
ZCGNOVWYSGBHAU-UHFFFAOYSA-N
IUPAC Name
5-fluoro-2-oxo-1H-pyrazine-3-carboxamide
SMILES String
C1=C(N=C(C(=O)N1)C(=O)N)F
pKa
5.1
Properties are provided as catalog reference data and may be confirmed through supplier documentation when required.
Structural features
Favipiravir (CAS 259793-96-9) is listed in the Pharmaceutical Intermediates portfolio, with molecular formula C5H4FN3O2 and molecular weight 157. 10 g/mol.
Sourcing context
Catalog reference for RFQ preparation, supplier confirmation, and research chemical sourcing review.
Research use context
Intended for research-stage medicinal chemistry and intermediate synthesis workflows; structure-derived tags include nitrogen-containing heterocycle.
Documentation needs
COA/SDS status, availability, lead time, pack size, and shipment documentation can be confirmed during quotation.
ChEMBL reports experimental activity evidence for: Alpha-1A adrenergic receptor (Homo sapiens) — 2 assays; Muscarinic acetylcholine receptor M1 (Homo sapiens) — 2 assays; Prostaglandin G/H synthase 1 (Homo sapiens) — 2 assays; Protein deacetylase HDAC6 (Homo sapiens) — 2 assays; Thromboxane A2 receptor (Homo sapiens) — 2 assays. These records describe research assays and do not establish therapeutic efficacy or clinical use.
Alpha-1A adrenergic receptor
Homo sapiens · SINGLE PROTEIN · 2 qualifying assays · 1 documents
Experimental evidence source: ChEMBL
Muscarinic acetylcholine receptor M1
Homo sapiens · SINGLE PROTEIN · 2 qualifying assays · 1 documents
Experimental evidence source: ChEMBL
Prostaglandin G/H synthase 1
Homo sapiens · SINGLE PROTEIN · 2 qualifying assays · 1 documents
Experimental evidence source: ChEMBL
Protein deacetylase HDAC6
Homo sapiens · SINGLE PROTEIN · 2 qualifying assays · 1 documents
Experimental evidence source: ChEMBL
Thromboxane A2 receptor
Homo sapiens · SINGLE PROTEIN · 2 qualifying assays · 1 documents
Experimental evidence source: ChEMBL
Safety and handling reference content is available through documentation requests.
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Preliminary Safety Reference
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Safety Reference / SDS RequestCatalog navigation
Other public CAS pages in this catalog. These links support navigation across additional intermediates and do not imply equivalence, availability, or shared use.
Favipiravir is identified by CAS 259793-96-9, with molecular formula C5H4FN3O2, molecular weight 157.1, InChIKey ZCGNOVWYSGBHAU-UHFFFAOYSA-N.
ChEMBL contains qualifying experimental assay evidence associated with Alpha-1A adrenergic receptor, Muscarinic acetylcholine receptor M1, Prostaglandin G/H synthase 1, Protein deacetylase HDAC6, Thromboxane A2 receptor. These records do not establish therapeutic efficacy or clinical use.
Yes. Submit an RFQ and specify COA requirements. Lot-specific COA depends on supplier confirmation.
Yes. Supplier SDS can be requested through the RFQ workflow before handling, storage, shipment, or procurement decisions.
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