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Favipiravir, also known as T-705 or Avigan, is an experimental antiviral drug being developed by Toyama Chemical of Japan with activity against many RNA viruses. Like some other experimental antiviral drugs (T-1105 and T-1106), it is a pyrazinecarboxamide derivative. Favipiravir is active against influenza viruses, West Nile virus, yellow fever virus, foot-and-mouth disease virus as well as other flaviviruses, arenaviruses, bunyaviruses and alphaviruses. Activity against enteroviruses and Rift Valley fever virus has also been demonstrated. Synonyms: T-705; avigan; 6-Fluoro-3-hydroxypyrazine-2-carboxamide. Grade: ≥97%. CAS No. 259793-96-9. Molecular formula: C5H4FN3O2. Mole weight: 157.10.
Favipiravir (T-705) is a potent viral RNA polymerase inhibitor, it is phosphoribosylated by cellular enzymes to its active form, Favipiravir-ribofuranosyl-5-triphosphate (RTP). Favipiravir-RTP inhibits the influenza viral RNA-dependent RNA polymerase ( RdRP ) activity with an IC 50 of 341 nM. Uses: Scientific research. Group: Signaling pathways. Alternative Names: T-705. CAS No. 259793-96-9. Pack Sizes: 10 mM * 1 mL; 5 mg; 10 mg; 50 mg; 100 mg. Product ID: HY-14768.
Favipiravir Impurity 10
Favipiravir Impurity 10. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 6-fluoro-3-hydroxypyrazine-2-carboxylic acid. CAS No. 1079990-21-8. Molecular formula: C5H3FN2O3. Mole weight: 158.09. Catalog: APB1079990218.
Favipiravir Impurity 12
Favipiravir Impurity 12. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 3,6-dichloropyrazine-2-carboxamide. CAS No. 1023813-21-9. Molecular formula: C5H3Cl2N3O. Mole weight: 192. Catalog: APB1023813219.
Favipiravir Impurity 17
Favipiravir Impurity 17. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1506611-77-3. Molecular formula: C6H6BrN3O2. Mole weight: 232.04. Catalog: APB1506611773.
Favipiravir Impurity 22
Favipiravir Impurity 22. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1257072-34-6. Molecular formula: C5HBrClN3. Mole weight: 218.44. Catalog: APB1257072346.
Favipiravir Impurity 33
Favipiravir Impurity 33. Uses: For analytical and research use. Group: Impurity standards. CAS No. 13301-04-7. Molecular formula: C6H4Br2N2O2. Mole weight: 295.92. Catalog: APB13301047.
Favipiravir Impurity 4
Favipiravir Impurity 4. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1137606-74-6. Molecular formula: C17H25FN4O. Mole weight: 320.41. Catalog: APB1137606746.
Favipiravir Impurity 40
Favipiravir Impurity 40. Uses: For analytical and research use. Group: Impurity standards. CAS No. 13238-84-1. Molecular formula: C8H12N2. Mole weight: 136.2. Catalog: APB13238841.
3,6-Difluoropyrazine-2-carboxamide
An impurity of Favipiravir, a medication used to treat influenza and COVID-19. Synonyms: Pyrazinecarboxamide, 3,6-difluoro-. CAS No. 356783-29-4. Molecular formula: C5H3F2N3O. Mole weight: 159.09.
4,5-O-Isopropylidene-b-D-fructopyranose
4,5-O-Isopropylidene-b-D-fructopyranose is a chemical compound commonly used in biomedical research and drug development. It is an intermediate in the synthesis of various antiviral drugs, such as Favipiravir, which is utilized for treating viral infections like influenza. Additionally, this compound plays a crucial role in forming glycosidic linkages in drug design against various diseases, such as cancer and diabetes. Synonyms: 4,5-O-(1-Methylethylidene)-b-D-fructopyranose. CAS No. 912456-61-2. Molecular formula: C9H16O6. Mole weight: 220.22.
5-Fluoropyrazin-2(1H)-one
An impurity of Favipiravir, a medication used to treat influenza and COVID-19. Synonyms: 5-Fluoro-2(1H)-pyrazinone. CAS No. 33870-92-7. Molecular formula: C4H3FN2O. Mole weight: 114.08.
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