3,6-difluoropyrazine-2-carbonitrile (356783-28-3)

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SKU: 767-69-1-1-2 Category:


3,6-difluoropyrazine-2-carbonitrile (356783-28-3) Description

3,6-difluoropyrazine-2-carbonitrile is a useful fluorinated building block and production intermediate in the synthesis of 3,6-difluoropyrazine-2-carbonitrile commercially named favipiravir, which is a unique viral RNA Polymerase inhibitor for the treatment of Influenza, acting on viral genetic copying to prevent its reproduction.

Synthesis and crystal structure of 6-fluoro-3-hydroxypyrazine-2-carboxamide. A practical and step-economic route to Favipiravir.

Favipiravir was approved for marketing in Japan in March 2014 and used for antiviral treatment of influenza A and B. In addition to the influenza virus, the drug also showed good antiviral activity to a variety of RNA viruses, such as Ebola virus, sand virus, Bunia virus, rabies virus, etc. Novel coronavirus pneumonia is inhibited by the latest research

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3,6-difluoropyrazine-2-carbonitrile (356783-28-3) Specifications

CAS 356783-28-3
MDL Number MFCD22199270
Chemical Name or Material 3,6-difluoropyrazine-2-carbonitrile;




AKOS005166866; AMPZ0001; DTXSID00627392 BCP28347; QC-769;

Infrared Spectrum Authentic
Physical Form Powder
Packaging Aluminum Foil Bag
Molecular Formula C5HF2N3
Molecular Weight (g/mol) 141.08
Color White to Yellow Solid
Melting Point 56-57°C
Boiling Point 206.5±35.0°C at 760 mmHg
Assay 98%


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