zileuton
Drug ingredientThis chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.
Where It Comes From
14 FDA-registered drug labelers
Apicore Pharmaceuticals Private Limited
Camber Pharmaceuticals, Inc.
Chiesi USA, Inc.
Emcure Pharmaceuticals Limited
Erregierre SpA
Golden State Medical Supply, Inc.
MSN Laboratories Private Limited
NorthStar RxLLC
Optimus Drugs Private Limited
Rising Pharma Holdings, Inc.
Sionc Pharmaceutical Private Limited
Solara Active Pharma Sciences Limited
Sterling Pharma Solutions Limited
Strides Pharma Science Limited
Why It Matters
Sectors
Health
Downstream Uses
Appears in 2 drug and cosmetic product listings (FDA).
- •Zileuton
- •Zyflo
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
$9.00/gBLD Pharmatech GmbH
CountryGermany
Pack$900.00 / 100 g
Purity97%
Vendors31 available
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
30 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 |
|---|---|---|---|---|
| BLD Pharmatech Ltd. | China | $9.00 | 100 g | 97% |
| Combi-Blocks, Inc. | United States | $9.00 | 100 g | 98% |
| A2B Chem LLC | United States | $9.54 | 100 g | 97% |
| AA BLOCKS | United States | $10.07 | 100 g | 97% |
| AK Scientific Specialized | United States | $12.00 | 25 g | 95% |
| Aaron Chemicals LLC | Hong Kong | $12.33 | 100 g | 97% |
| AstaTech, Inc | United States | $13.00 | 25 g | 98% |
| Angene Chemical | China → Hong Kong | $14.11 | 100 g | 97% |
| Ambeed, Inc. | United States | $15.28 | 25 g | 97% |
| AK Scientific, Inc. | United States | $15.96 | 25 g | 98% |
| Angene International Limited | United States | $25.92 | 25 g | 98% |
| BLD Pharmatech Co., Limited | United States | $51.00 | 1 g | 97% |
| Interbioscreen | Hong Kong | $75.00 | 10 g | 95% |
| MedKoo Biosciences, Inc | United States | $110.00 | 5 g | 98% |
| TargetMol Chemicals | China → United States | $418.00 | 500 mg | 99.86% |
| TargetMol Chemicals EU | Austria | $635.00 | 200 mg | 99.86% |
| Molnova | China | $844.00 | 500 mg | 99% |
| Fulfilled by Molport | Latvia | $900.00 | 10 mg | 98% |
| Apexbio Technology LLC | United States | $1000.00 | 100 mg | 99.79% |
| Sigma-Aldrich (Rush Stock) | Germany | $1236.50 | 200 mg | — |
| Sigma-Aldrich | Germany | $1236.50 | 200 mg | — |
| MedChemExpress MCE | Sweden | $2855.60 | 100 mg | 99.86% |
| Axon Medchem | Netherlands | $2880.00 | 50 mg | 99% |
| Princeton BioMolecular Research (SC) | United States | $2900.00 | 100 mg | 90% |
| Vitas M Chemical Limited | Hong Kong | $3170.00 | 100 mg | 90% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 97% |
| Cayman Europe | Estonia | $4974.20 | 50 mg | 98% |
| WuXi AppTec (Hong Kong) Limited | China → Hong Kong | $6960.00 | 25 mg | 98.5% |
| CliniSciences GmbH | Switzerland | $7095.00 | 10 mg | 99% |
| Key Organics Ltd. | United Kingdom | $8500.00 | 10 mg | 97% |
Chemical Identity
CAS111406-87-2
PubChem CID60490
DTXSIDDTXSID9023752
FormulaC11H12N2O2S
Mol. Weight236.29 g/mol
SMILESCC(C1=CC2=CC=CC=C2S1)N(C(=O)N)O
Data Sources
604902026-04-07
https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/name/zileuton/cids/JSON
Archive: data/sources/pubchem_name/zileuton.json
CAS 111406-87-22026-04-25
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