Favipiravir Impurity B

About Favipiravir Impurity B

Favipiravir Impurity B is a metabolite or degradation product of Favipiravir carrying the CAS registry number 1137606-74-6. Its molecular formula is C17H25FN4O and its molecular weight is 320.4 g/mol. Alternative names: Favipiravir N-1 Int.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Handle it with standard laboratory precautions and appropriate personal protective equipment.

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. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

We offer Favipiravir Impurity B in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers 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	Favipiravir Impurity B
Catalogue No.	VQ-030683
CAS Number	1137606-74-6
IUPAC name	N-cyclohexylcyclohexanamine;5-fluoro-2-oxo-1H-pyrazine-3-carbonitrile
Molecular formula	C₁₇H₂₅FN₄O
Molecular weight	320.4 g/mol
Exact mass	320.2012
Grade	Reference Standard
HSN code	38229090
InChIKey	CUEAMQKUSNCUDI-UHFFFAOYSA-N
SMILES	C1CCC(CC1)NC2CCCCC2.C1=C(N=C(C(=O)N1)C#N)F
PubChem CID	25221940

Physical properties
Physical form	Solid
H-bond donors / acceptors	2 / 5
TPSA	77.3 Å²
Synonyms	6-Fluoro-3-oxo-3,4-dihydropyrazine-2-carbonitrile compound with dicyclohexylamine (1:1), Favipiravir N-1 Int., 6-Fluoro-3-Hydroxy-2-pyrazinecarbonitrile compound with N-cyclohexylcyclohexanamine(1:1), 6-Fluoro-3-oxo-3,4-dihydropyrazine-2-carbonitrile dicyclohexylamine salt, 6-fluoro-3-hydroxypyrazine-2-carbonitrile dicyclohexylamine salt, 6-fluoro-3-oxo-3,4-dihydropyrazine-2-carbonitrile--dicyclohexylamine (1/1), 6-Fluoro-3-Hydroxy-2-pyrazinecarbonitrile compound with N-Cyclohexylcyclohexanamie(1:1), 6-Fluoro-3-oxo-3,4-dihydropyrazine-2-carbonitrile compound with dicyclohexylamine

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 Impurity B?

The CAS Registry Number of Favipiravir Impurity B is 1137606-74-6. It is also known as 6-Fluoro-3-oxo-3,4-dihydropyrazine-2-carbonitrile compound with dicyclohexylamine (1:1), Favipiravir N-1 Int., 6-Fluoro-3-Hydroxy-2-pyrazinecarbonitrile compound with N-cyclohexylcyclohexanamine(1:1).

What is the molecular formula and molecular weight of Favipiravir Impurity B?

Favipiravir Impurity B has the molecular formula C17H25FN4O and a molecular weight of 320.4 g/mol.

What is Favipiravir Impurity B used for?

Favipiravir Impurity B 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 Impurity B can I order?

We supply Favipiravir Impurity B 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 Impurity B?

Yes. Every lot of Favipiravir Impurity B 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 Impurity B be shipped internationally?

Yes. We export Favipiravir Impurity B worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.