6-Chloro-3-hydroxypyrazine-2-carboxamide

Name: 6-Chloro-3-hydroxypyrazine-2-carboxamide
Brand: Vaqora Chemicals
SKU: VQ-022630

About 6-Chloro-3-hydroxypyrazine-2-carboxamide

6-Chloro-3-hydroxypyrazine-2-carboxamide is a metabolite or degradation product of Favipiravir carrying the CAS registry number 259793-90-3. The compound has the formula C5H4ClN3O2, corresponding to a molecular weight of 173.56 g/mol. Systematically, it is named 5-chloro-2-oxo-1H-pyrazine-3-carboxamide. Common synonyms include 6-chloro-3-hydroxy-2-pyrazinecarboxamide and 5-chloro-2-oxo.

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. Handle it with standard laboratory precautions and appropriate personal protective equipment.

It is used in metabolite identification, stability-indicating method development and impurity profiling of Favipiravir, as well as in QC testing and ANDA/DMF documentation. Buyers come mainly from 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-Chloro-3-hydroxypyrazine-2-carboxamide
Catalogue No.	VQ-022630
CAS Number	259793-90-3
IUPAC name	5-chloro-2-oxo-1H-pyrazine-3-carboxamide
Molecular formula	C₅H₄ClN₃O₂
Molecular weight	173.56 g/mol
Exact mass	172.9992
Grade	Reference Standard
HSN code	38229090
InChIKey	XERRFWUVFFKJNT-UHFFFAOYSA-N
SMILES	C1=C(N=C(C(=O)N1)C(=O)N)Cl
PubChem CID	22674949

Physical properties
Physical form	Solid
H-bond donors / acceptors	2 / 3
TPSA	84.6 Å²
Synonyms	6-Chloro-3-oxo-3,4-dihydropyrazine-2-carboxamide, 6-chloro-3-hydroxy-2-pyrazinecarboxamide, 2-Pyrazinecarboxamide, 6-chloro-3,4-dihydro-3-oxo-, 5-chloro-2-oxo, 6-chloro-3-hydroxypyrazine-2-carboxylic acidamide, 6-chloro-3,4-dihydro-3-oxo-2-Pyrazinecarboxamide, 6-Chloro-3-oxo-3,4-dihydro-pyrazine-2-carboxamide

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-Chloro-3-hydroxypyrazine-2-carboxamide?

The CAS Registry Number of 6-Chloro-3-hydroxypyrazine-2-carboxamide is 259793-90-3. It is also known as 6-Chloro-3-oxo-3,4-dihydropyrazine-2-carboxamide, 6-chloro-3-hydroxy-2-pyrazinecarboxamide, 2-Pyrazinecarboxamide, 6-chloro-3,4-dihydro-3-oxo-.

What is the molecular formula and molecular weight of 6-Chloro-3-hydroxypyrazine-2-carboxamide?

6-Chloro-3-hydroxypyrazine-2-carboxamide has the molecular formula C5H4ClN3O2 and a molecular weight of 173.56 g/mol. Its IUPAC name is 5-chloro-2-oxo-1H-pyrazine-3-carboxamide.

What is 6-Chloro-3-hydroxypyrazine-2-carboxamide used for?

6-Chloro-3-hydroxypyrazine-2-carboxamide 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-Chloro-3-hydroxypyrazine-2-carboxamide can I order?

We supply 6-Chloro-3-hydroxypyrazine-2-carboxamide 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-Chloro-3-hydroxypyrazine-2-carboxamide?

Yes. Every lot of 6-Chloro-3-hydroxypyrazine-2-carboxamide 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-Chloro-3-hydroxypyrazine-2-carboxamide be shipped internationally?

Yes. We export 6-Chloro-3-hydroxypyrazine-2-carboxamide worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.