6-Fluoro-3-oxo-3,4-dihydropyrazine-2-carbonit… 356783-31-8

About 6-Fluoro-3-oxo-3,4-dihydropyrazine-2-carbonitrile

6-Fluoro-3-oxo-3,4-dihydropyrazine-2-carbonitrile is a metabolite or degradation product of Favipiravir carrying the CAS registry number 356783-31-8. Formula C5H2FN3O, molecular weight 139.09 g/mol. The IUPAC name is 5-fluoro-2-oxo-1H-pyrazine-3-carbonitrile. It is also known as 6-Fluoro-3-hydroxypyrazine-2-carbonitrile or CS-M1938.

The product is provided as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Good laboratory practice and suitable PPE are recommended during handling.

Analytical teams use this compound to identify metabolites and degradants of Favipiravir, to validate stability-indicating methods (AMV) and to support QC and regulatory filings. Typical end-use sectors are 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

Metabolite identification
Stability-indicating methods
Impurity profiling

Industries

Related to Favipiravir

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

Favipiravir impurities

Specifications & identifiers

Chemical identifiers
Product name	6-Fluoro-3-oxo-3,4-dihydropyrazine-2-carbonitrile
Catalogue No.	VQ-030681
CAS Number	356783-31-8
IUPAC name	5-fluoro-2-oxo-1H-pyrazine-3-carbonitrile
Molecular formula	C₅H₂FN₃O
Molecular weight	139.09 g/mol
Exact mass	139.0182
Grade	Reference Standard
HSN code	38229090
InChIKey	LJZHACRGZWYTAX-UHFFFAOYSA-N
SMILES	C1=C(N=C(C(=O)N1)C#N)F
PubChem CID	22662785

Physical properties
Physical form	Solid
LogP (XLogP3)	-0.3
H-bond donors / acceptors	1 / 4
TPSA	65.3 Å²
Synonyms	6-Fluoro-3-hydroxypyrazine-2-carbonitrile, 6-Fluoro-3,4-dihydro-3-oxo-2-pyrazinecarbonitrile, 2-Pyrazinecarbonitrile, 6-fluoro-3,4-dihydro-3-oxo-, 6-fluoro-3-oxo-3,4-dihydro-2-pyrazinecarbonitrile, CS-M1938, 6-fluoro-3-hydroxy-2-pyrazinecarbonitrile, 6-fluoro-3-hydroxypyrazine-2- carbonitrile, Pyrazinecarbonitrile, 6-fluoro-3,4-dihydro-3-oxo-

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 6-Fluoro-3-oxo-3,4-dihydropyrazine-2-carbonitrile?

The CAS Registry Number of 6-Fluoro-3-oxo-3,4-dihydropyrazine-2-carbonitrile is 356783-31-8. It is also known as 6-Fluoro-3-hydroxypyrazine-2-carbonitrile, 6-Fluoro-3,4-dihydro-3-oxo-2-pyrazinecarbonitrile, 2-Pyrazinecarbonitrile, 6-fluoro-3,4-dihydro-3-oxo-.

What is the molecular formula and molecular weight of 6-Fluoro-3-oxo-3,4-dihydropyrazine-2-carbonitrile?

6-Fluoro-3-oxo-3,4-dihydropyrazine-2-carbonitrile has the molecular formula C5H2FN3O and a molecular weight of 139.09 g/mol. Its IUPAC name is 5-fluoro-2-oxo-1H-pyrazine-3-carbonitrile.

What is 6-Fluoro-3-oxo-3,4-dihydropyrazine-2-carbonitrile used for?

6-Fluoro-3-oxo-3,4-dihydropyrazine-2-carbonitrile 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 6-Fluoro-3-oxo-3,4-dihydropyrazine-2-carbonitrile can I order?

We supply 6-Fluoro-3-oxo-3,4-dihydropyrazine-2-carbonitrile 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 6-Fluoro-3-oxo-3,4-dihydropyrazine-2-carbonitrile?

Yes. Every lot of 6-Fluoro-3-oxo-3,4-dihydropyrazine-2-carbonitrile 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 6-Fluoro-3-oxo-3,4-dihydropyrazine-2-carbonitrile be shipped internationally?

Yes. We export 6-Fluoro-3-oxo-3,4-dihydropyrazine-2-carbonitrile worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.