pirfenidone
Drug ingredientThis chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.
Where It Comes From
42 FDA-registered drug labelers
Accord Healthcare Inc.
Alembic Pharmaceuticals Inc.
Alembic Pharmaceuticals Limited
Alivus Life Sciences Limited
Amneal Pharmaceuticals NY LLC
Amoli Organics (A Division of Umedica Laboratories Pvt.Ltd.)
ANI Pharmaceuticals, Inc.
Apotex Corp.
Aurobindo Pharma Limited
AvKARE
Bryant Ranch Prepack
Camber Pharmaceuticals, Inc.
Catalent Pharma Solutions, LLC
Chemeca Drugs Private Limited
Cipla Ltd.
Cipla USA Inc.
Cohance Lifesciences Limited
Dipharma Francis Srl
EXELAN PHARMACEUTICALS INC.
Genentech, Inc.
Golden State Medical Supply, Inc.
Granules India Ltd
Honour Lab Limited
Jubilant Biosys limited
Laurus Labs Limited
Legacy Pharma USA Inc.
Macleods Pharmaceuticals Limited
MAJOR PHARMACEUTICALS
Micro Labs Limited
MSN Life Sciences Private Limited
Neuland Laboratories Limited
Northstar Rx LLC
Novadoz Pharmaceuticals LLC
Optimus Drugs Private Limited
PROCOS S.p.A.
Raks Pharma Pvt. Limited
Sandoz Inc
ScieGen Pharmaceuticals, Inc.
SHILPA PHARMA LIFESCIENCES LIMITED
Signa S.A. de C.V.
Teva Pharmaceuticals, Inc.
TYCHE INDUSTRIES LIMITED
Why It Matters
Sectors
Health
Downstream Uses
Appears in 3 drug and cosmetic product listings (FDA).
- •Pirfenidone
- •Esbriet
- •Pirfenidone Capsule, 267 mg
FDA Shortage Status
Whether any manufacturer currently reports this drug as in shortage on the FDA Drug Shortages database. "Active Shortage" means at least one presentation has status "current."
No FDA shortage records
Vendor Pricing
$2.56/gCombi-Blocks, Inc.
CountryUnited States
Pack$1280.00 / 500 g
Purity98%
Vendors32 available
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
CAS53179-13-8
PubChem CID40632
DTXSIDDTXSID4045183
FormulaC12H11NO
Mol. Weight185.22 g/mol
SMILESCC1=CN(C(=O)C=C1)C2=CC=CC=C2
Data Sources
406322026-04-07
https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/name/pirfenidone/cids/JSON
Archive: data/sources/pubchem_name/pirfenidone.json
CAS 53179-13-82026-04-25
https://open.fda.gov/data/ndc/
Archive: data/sources/fda/ndc/ndc.json
bulk match2026-04-07
https://open.fda.gov/data/ndc/
Archive: data/sources/fda/ndc/ndc.json