favipiravir
Drug ingredientCAS 259793-96-9
This chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.
This chemical is not on EPA’s Toxic Substances Control Act inventory, the list behind EPA’s production survey.
Why supply is unknownProduction is reported production, not a complete census of factories. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.
Where It Comes From
Customs basis: HS 293399 · basket
These shares come from HS customs code 293399, which covers 518 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.
- Taiwan
- Poland
- Canada
- Ivory Coast
- Greece
- Hungary
- Indonesia
- Latvia
- Belgium
- Slovakia
- Czech Republic
- Austria
- Netherlands
- Finland
- Denmark
- Croatia
- Australia
- South Africa
- Sweden
- Hong Kong
- Malta
- Singapore
- Lithuania
- Malaysia
- Oman
- Serbia
3 FDA-registered drug labelers
Why It Matters
Vendor Pricing
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
19 more vendors
| Vendor | Country Supplier country. Where available, shows shipping origin. When the supplier ships from a different country than where they are registered, both are shown. Most suppliers show registration country only. | $/g | Pack | Purity |
|---|---|---|---|---|
| Angene Chemical | China → Hong Kong | $1.58 | 250 g | 98% |
| AA BLOCKS | United States | $1.81 | 100 g | 99% |
| A2B Chem LLC | United States | $1.81 | 100 g | 99% |
| Chemscene | United States | $3.27 | 100 g | — |
| BLD Pharmatech Ltd. | China | $3.27 | 100 g | 99% |
| BLD Pharmatech Co., Limited | United States | $3.28 | 25 g | 99% |
| BLD Pharmatech GmbH | Germany | $3.28 | 25 g | 99% |
| Ambeed, Inc. | United States | $3.28 | 25 g | 99% |
| Fluorochem EU | Germany | $4.07 | 25 g | 95% |
| Angene International Limited | United States | $4.70 | 10 g | 99% |
| AstaTech, Inc | United States | $27.00 | 1 g | 95% |
| Biopharma PEG Scientific Inc. | United States | $350.00 | 1 g | 90% |
| Cayman Europe | Estonia | $1856.40 | 100 mg | 98% |
| MedChemExpress MCE | Sweden | $1875.50 | 100 mg | 99.98% |
| ChemDiv, Inc. | United States | $4070.00 | 100 mg | 90% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 98% |
| Sigma-Aldrich (Rush Stock) | Germany | $7243.60 | 50 mg | — |
| Sigma-Aldrich | Germany | $7243.60 | 50 mg | — |
| Apexbio Technology LLC | United States | $12320.00 | 25 mg | 98.04% |
Chemical Identity
Data Sources
- PubChem · compound 492405Retrieved 2026-04-07
- FDA National Drug Code directoryRetrieved 2026-04-25
- FDA National Drug Code directoryRetrieved 2026-04-07
- US Census international tradeReporting year: 2024 · Retrieved 2026-10-04
Brief citations
favipiravir (CAS 259793-96-9) https://chemicalindependence.com/chemical/259793-96-9/ PubChem: 492405. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/492405 FDA National Drug Code directory: CAS 259793-96-9. Retrieved 2026-04-25. https://open.fda.gov/data/ndc/ FDA National Drug Code directory: bulk match. Retrieved 2026-04-07. https://open.fda.gov/data/ndc/ US Census international trade: HS 293399 for CAS 259793-96-9. Reporting year: 2024. https://usatrade.census.gov/