| Identification | Back Directory | [Name]
3,6-difluoropyrazine-2-carbonitrile | [CAS]
356783-28-3 | [Synonyms]
avipravir intermediates
favipravir intermediates
Favipiravir Intermediate 1
3,6-difluoropyrazine-2-carbonitrile
3,6-Difluoro-2-pyrazinecarbonitrile
2-Pyrazinecarbonitrile, 3,6-difluoro-
3,6-Difluoropyrazine-2-carbonitrile(N-2) | [EINECS(EC#)]
202-303-5 | [Molecular Formula]
C5HF2N3 | [MDL Number]
MFCD22199270 | [MOL File]
356783-28-3.mol | [Molecular Weight]
141.078 |
| Chemical Properties | Back Directory | [Boiling point ]
206.5±35.0 °C(Predicted) | [density ]
1.47±0.1 g/cm3(Predicted) | [storage temp. ]
Inert atmosphere,Room Temperature | [pka]
-7.28±0.10(Predicted) |
| Hazard Information | Back Directory | [Uses]
3,6-difluoropyrazine-2-carbonitrile is used in multi-step synthesis of Favipiravir from Aminopyrazine. | [Synthesis]
1)Preparation of 1.4-dioxopyrazinamide: control temperature -5 ~ 5 ℃, 2-cyanopyrazine 5.25g with glacial acetic acid 29.95g, 30% hydrogen peroxide 45.30g mixed well, warming to 95 ℃, reflux reaction 22h, TLC shows no raw materials, 40 ℃ decompression s |
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| Company Name: |
Acesys Pharmatech
|
| Telephone: |
18860950986 |
| Website: |
www.chemicalbook.com/ShowSupplierProductsList15849/0_EN.htm |
| Company Name: |
Cochemical Ltd.
|
| Telephone: |
029-86115547 17791676824 |
| Website: |
http://www.cochemical.com |
| Company Name: |
Cochemical Ltd.
|
| Telephone: |
029-86115547 17791676824 |
| Website: |
http://www.cochemical.com |
|