Pirfenidone
Drug ingredientCAS 53179-13-8
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 293379 · basket
These shares come from HS customs code 293379, which covers 105 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.
- Brazil
- Canada
- Taiwan
- Ukraine
- Portugal
- Netherlands
- South Korea
- Israel
- Czech Republic
- Spain
- Finland
- Hungary
- Malaysia
- Australia
- Austria
- Slovenia
42 FDA-registered drug labelers
Why It Matters
Appears in 3 drug and cosmetic product listings (FDA).
- •Pirfenidone
- •Esbriet
- •Pirfenidone Capsule, 267 mg
Vendor Pricing
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
31 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 |
|---|---|---|---|---|
| A2B Chem LLC | United States | $2.71 | 500 g | 98% |
| AA BLOCKS | United States | $2.86 | 500 g | 98% |
| Aaron Chemicals LLC | Hong Kong | $3.50 | 100 g | 98% |
| Angene Chemical | China → Hong Kong | $3.54 | 100 g | 98% |
| Chemscene | United States | $4.04 | 100 g | — |
| BLD Pharmatech Co., Limited | United States | $4.15 | 100 g | 98% |
| BLD Pharmatech GmbH | Germany | $4.15 | 100 g | 98% |
| BLD Pharmatech Ltd. | China | $4.15 | 100 g | 98% |
| Ambeed, Inc. | United States | $4.15 | 100 g | 98% |
| Fluorochem EU | Germany | $5.32 | 25 g | 98% |
| AK Scientific Specialized | United States | $5.76 | 100 g | 95% |
| Angene International Limited | United States | $7.90 | 10 g | 98% |
| Apollo Scientific UK | United Kingdom | $9.80 | 5 g | 98% |
| AstaTech, Inc | United States | $9.90 | 10 g | 97% |
| Accela ChemBio | United States | $18.00 | 1 g | 98% |
| Fulfilled by Molport | Latvia | $35.00 | 100 mg | 98% |
| MedChemExpress MCE | Sweden | $57.48 | 10 g | 99.99% |
| MedKoo Biosciences, Inc | United States | $66.00 | 25 g | 98% |
| Molnova | China | $132.00 | 1 g | 99% |
| TargetMol Chemicals | China → United States | $147.00 | 1 g | 99.93% |
| Apexbio Technology LLC | United States | $176.00 | 1 g | 99.72% |
| AK Scientific, Inc. | United States | $437.00 | 1 g | 99% |
| ChemFaces | China | $1500.00 | 20 mg | 98% |
| Axon Medchem | Netherlands | $2880.00 | 50 mg | 100% |
| ChemDiv, Inc. | United States | $4070.00 | 100 mg | 90% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 98% |
| Cayman Europe | Estonia | $6057.10 | 100 mg | 95% |
| Key Organics Ltd. | United Kingdom | $6900.00 | 10 mg | 97% |
| CliniSciences GmbH | Switzerland | $9288.00 | 10 mg | 98% |
| Sigma-Aldrich (Rush Stock) | Germany | $14157.60 | 50 mg | 97% |
| Sigma-Aldrich | Germany | $14157.60 | 50 mg | 97% |
Chemical Identity
Data Sources
- PubChem · compound 40632Retrieved 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
Pirfenidone (CAS 53179-13-8) https://chemicalindependence.com/chemical/53179-13-8/ PubChem: 40632. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/40632 FDA National Drug Code directory: CAS 53179-13-8. 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 293379 for CAS 53179-13-8. Reporting year: 2024. https://usatrade.census.gov/