zafirlukast
Drug ingredientThis chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.
Where It Comes From
11 FDA-registered drug labelers
American Health Packaging
Aurobindo Pharma Limited
AvKARE
Bryant Ranch Prepack
Camber Pharmaceuticals, Inc.
Chromo Laboratories India Private Limited
Dr. Reddys Laboratories Limited
Hetero Drugs Limited
MSN Pharmachem Private Limited
Par Active Technologies Private Limited
Strides Pharma Science Limited
Why It Matters
Sectors
Health
Downstream Uses
Appears in 1 drug and cosmetic product listings (FDA).
- •Zafirlukast
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
$660.00/gAstaTech (2 weeks)
CountryUnited States
Pack$66.00 / 100 mg
Purity95%
Vendors20 available
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 |
|---|---|---|---|---|
| Molnova | China | $680.00 | 200 mg | 99% |
| A2B Chem LLC | United States | $720.00 | 100 mg | 99% |
| MedChemExpress MCE | Sweden | $811.91 | 1 g | 99.89% |
| AA BLOCKS | United States | $825.00 | 1 g | 99% |
| TargetMol Chemicals | China → United States | $930.00 | 100 mg | 99.83% |
| AK Scientific Specialized | United States | $999.00 | 1 g | 95% |
| Aaron Chemicals LLC | Hong Kong | $1120.00 | 50 mg | 99% |
| Angene Chemical | China → Hong Kong | $1160.00 | 50 mg | 99% |
| Apexbio Technology LLC | United States | $1360.00 | 50 mg | 99.28% |
| AK Scientific, Inc. | United States | $1399.00 | 1 g | 98% |
| MedKoo Biosciences, Inc | United States | $1400.00 | 1 g | 98% |
| Ambeed, Inc. | United States | $1500.00 | 50 mg | 99% |
| Cayman Europe | Estonia | $1607.69 | 1 g | 97% |
| Angene International Limited | United States | $2181.00 | 1 g | 98% |
| Combi-Blocks, Inc. | United States | $4000.00 | 100 mg | 98% |
| Vitas M Chemical Limited | Hong Kong | $9379.89 | 10 μmol | 90% |
| Sigma-Aldrich (Rush Stock) | Germany | $9630.20 | 50 mg | 98% |
| Sigma-Aldrich | Germany | $9630.20 | 50 mg | 98% |
| Princeton BioMolecular Research (SC) | United States | $18000.00 | 5 mg | 90% |
Chemical Identity
CAS107753-78-6
PubChem CID5717
DTXSIDDTXSID5023746
FormulaC31H33N3O6S
Mol. Weight575.7 g/mol
SMILESCC1=CC=CC=C1S(=O)(=O)NC(=O)C2=CC(=C(C=C2)CC3=CN(C4=C3C=C(C=C4)NC(=O)OC5CCCC5)C)OC
Data Sources
57172026-04-07
https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/name/zafirlukast/cids/JSON
Archive: data/sources/pubchem_name/zafirlukast.json
CAS 107753-78-62026-04-25
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