bosentan
Drug ingredientThis chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.
Where It Comes From
14 FDA-registered drug labelers
Actavis Pharma, Inc.
Actelion Pharmaceuticals US, Inc.
Aurobindo Pharma Limited
Cadila Pharmaceuticals Limited
Cipla Ltd.
Honour Lab Limited
Jubilant Biosys limited
Lupin Pharmaceuticals, Inc.
MSN Laboratories Private Limited
MYLAN LABORATORIES LIMITED
SUN PHARMACEUTICAL INDUSTRIES, INC.
Viyash Life Sciences Private Limited
Zydus Lifesciences Limited
Zydus Pharmaceuticals USA Inc.
Why It Matters
Sectors
Health
Downstream Uses
Appears in 2 drug and cosmetic product listings (FDA).
- •Bosentan
- •Tracleer
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 Shortage
Shortage History
Each row is a separate manufacturer's FDA shortage filing — not a timeline for the drug as a whole. Multiple "current" entries are normal: each manufacturer/NDC files independently. Status reflects the manufacturer's report; reason describes their supply situation (Available, Unavailable, or to be discontinued).
to be discontinued
Bosentan Tablet
06/09/2025Vendor Pricing
$39.00/gA2B Chem LLC
CountryUnited States
Pack$195.00 / 5 g
Purity99.84%
Vendors17 available
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
16 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 |
|---|---|---|---|---|
| Combi-Blocks, Inc. | United States | $39.00 | 5 g | 98% |
| AA BLOCKS | United States | $44.80 | 5 g | 95% |
| AstaTech, Inc | United States | $288.00 | 1 g | 95% |
| Molnova | China | $588.00 | 500 mg | 99% |
| TargetMol Chemicals | China → United States | $654.00 | 500 mg | 99.99% |
| Apexbio Technology LLC | United States | $715.00 | 200 mg | 99.92% |
| AK Scientific Specialized | United States | $742.00 | 500 mg | 95% |
| Fulfilled by Molport | Latvia | $800.00 | 50 mg | 99.99% |
| Ambeed, Inc. | United States | $800.00 | 50 mg | 98% |
| Aaron Chemicals LLC | Hong Kong | $860.00 | 250 mg | 98% |
| Angene International Limited | United States | $888.00 | 250 mg | 95% |
| Angene Chemical | China → Hong Kong | $988.00 | 250 mg | 98% |
| MedChemExpress MCE | Sweden | $989.78 | 500 mg | 99.98% |
| AK Scientific, Inc. | United States | $992.00 | 500 mg | 98% |
| Cayman Europe | Estonia | $3546.20 | 50 mg | 98% |
| MedKoo Biosciences, Inc | United States | $4750.00 | 200 mg | 98% |
Chemical Identity
CAS147536-97-8
PubChem CID104865
DTXSIDDTXSID7046627
FormulaC27H29N5O6S
Mol. Weight551.6 g/mol
SMILESCC(C)(C)C1=CC=C(C=C1)S(=O)(=O)NC2=C(C(=NC(=N2)C3=NC=CC=N3)OCCO)OC4=CC=CC=C4OC
Data Sources
1048652026-04-07
https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/name/bosentan/cids/JSON
Archive: data/sources/pubchem_name/bosentan.json
CAS 147536-97-82026-04-25
https://open.fda.gov/data/ndc/
Archive: data/sources/fda/ndc/ndc.json
CAS 147536-97-82026-06-13
https://api.fda.gov/drug/shortages.json
Archive: data/sources/fda/shortages/shortages.json