Favipiravir

Name: Favipiravir
Brand: Vaqora Chemicals
SKU: VQ-025723

About Favipiravir

Favipiravir (CAS 259793-96-9) is a high-purity reference standard of Favipiravir offered by Vaqora Chemicals. Formula C5H4FN3O2, molecular weight 157.1 g/mol. The IUPAC name is 5-fluoro-2-oxo-1H-pyrazine-3-carboxamide. Alternative names: 6-fluoro-3-hydroxy-2-pyrazinecarboxamide and T-705 cpd.

The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. It carries the GHS signal word “Warning” with 6 hazard statements. Review the Safety Data Sheet before use.

Laboratories use this Favipiravir standard for identity and assay testing, system suitability checks and method validation supporting ANDA and DMF filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Identification & assay
Method development & validation
QC reference material

Industries

Related to Favipiravir

View every impurity, metabolite and intermediate we list for Favipiravir.

Favipiravir impurities

Specifications & identifiers

Chemical identifiers
Product name	Favipiravir
Catalogue No.	VQ-025723
CAS Number	259793-96-9
IUPAC name	5-fluoro-2-oxo-1H-pyrazine-3-carboxamide
Molecular formula	C₅H₄FN₃O₂
Molecular weight	157.1 g/mol
Exact mass	157.0288
Grade	Reference Standard
HSN code	38229090
InChIKey	ZCGNOVWYSGBHAU-UHFFFAOYSA-N
SMILES	C1=C(N=C(C(=O)N1)C(=O)N)F
PubChem CID	492405

Physical properties
Physical form	Solid
LogP (XLogP3)	-0.6
H-bond donors / acceptors	2 / 4
TPSA	84.6 Å²
Synonyms	6-fluoro-3-hydroxy-2-pyrazinecarboxamide, T-705 cpd, 2-Pyrazinecarboxamide, 6-fluoro-3-hydroxy-, 6-fluoro-3-oxo-3,4-dihydropyrazine-2-carboxamide, Favipiravir (T-705), Pyrazinecarboxamide, 6-fluoro-3,4-dihydro-3-oxo-, 2-Pyrazinecarboxamide, 6-fluoro-3,4-dihydro-3-oxo-, 6-fluoro-3-hydroxy-pyrazine-2-carboxamide, 6-Fluoro-3,4-dihydro-3-oxo-2-pyrazinecarboxamide, 6-fluoro-3,4-dihydro-3-oxo-Pyrazinecarboxamide, Favipiravir/T-705

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
H341Suspected of causing genetic defects
H361Suspected of damaging fertility or the unborn child

Precautionary statements: P203, P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P318, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Favipiravir?

The CAS Registry Number of Favipiravir is 259793-96-9. It is also known as 6-fluoro-3-hydroxy-2-pyrazinecarboxamide, T-705 cpd, 2-Pyrazinecarboxamide, 6-fluoro-3-hydroxy-.

What is the molecular formula and molecular weight of Favipiravir?

Favipiravir has the molecular formula C5H4FN3O2 and a molecular weight of 157.1 g/mol. Its IUPAC name is 5-fluoro-2-oxo-1H-pyrazine-3-carboxamide.

What is Favipiravir used for?

Favipiravir is supplied as a characterised reference material related to Favipiravir. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Favipiravir can I order?

We supply Favipiravir in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Favipiravir?

Yes. Every lot of Favipiravir is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Favipiravir be shipped internationally?

Yes. Favipiravir is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.