ethionamide
Drug ingredientThis chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.
Where It Comes From
1 FDA-registered drug labeler
APICHEM Laboratories Private Limited
Why It Matters
Sectors
Health
Downstream UsesNo data available
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
Ethionamide Tablet
07/16/2025Vendor Pricing
$1.28/gA2B Chem LLC
CountryUnited States
Pack$32.00 / 25 g
Purity96%
Vendors26 available
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
25 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 |
|---|---|---|---|---|
| Aaron Chemicals LLC | Hong Kong | $1.29 | 100 g | 98% |
| Angene Chemical | China → Hong Kong | $1.39 | 100 g | 98% |
| AA BLOCKS | United States | $1.48 | 25 g | 98% |
| BLD Pharmatech Co., Limited | United States | $1.83 | 100 g | 98% |
| BLD Pharmatech GmbH | Germany | $1.83 | 100 g | 98% |
| BLD Pharmatech Ltd. | China | $1.83 | 100 g | 98% |
| Ambeed, Inc. | United States | $1.83 | 100 g | 98% |
| AK Scientific Specialized | United States | $1.87 | 100 g | 95% |
| AK Scientific, Inc. | United States | $2.54 | 100 g | 98% |
| AstaTech (2 weeks) | United States | $2.56 | 25 g | 95% |
| Angene International Limited | United States | $3.23 | 100 g | 95% |
| Fluorochem EU | Germany | $8.47 | 1 g | 96% |
| Fluorochem UK | United Kingdom | $8.58 | 1 g | 96% |
| Sigma-Aldrich (Rush Stock) | Germany | $28.14 | 25 g | — |
| Sigma-Aldrich | Germany | $28.14 | 25 g | — |
| Cayman Europe | Estonia | $29.99 | 10 g | 98% |
| MedKoo Biosciences, Inc | United States | $30.00 | 25 g | 98% |
| MedChemExpress MCE | Sweden | $30.01 | 5 g | 99.98% |
| TargetMol Chemicals | China → United States | $66.00 | 1 g | 99.92% |
| Molnova | China | $73.00 | 1 g | 99% |
| Apexbio Technology LLC | United States | $76.00 | 1 g | 99.76% |
| TargetMol Chemicals EU | Austria | $155.00 | 200 mg | 99.92% |
| Labotest KG | Germany | $217.80 | 5000 mg | 90% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 98% |
| Key Organics Ltd. | United Kingdom | $6900.00 | 10 mg | 90% |
Chemical Identity
CAS536-33-4
PubChem CID2761171
DTXSIDDTXSID0020577
FormulaC8H10N2S
Mol. Weight166.25 g/mol
SMILESCCC1=NC=CC(=C1)C(=S)N
Data Sources
27611712026-04-07
https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/name/ethionamide/cids/JSON
Archive: data/sources/pubchem_name/ethionamide.json
CAS 536-33-42026-04-25
https://open.fda.gov/data/ndc/
Archive: data/sources/fda/ndc/ndc.json
CAS 536-33-42026-06-13
https://api.fda.gov/drug/shortages.json
Archive: data/sources/fda/shortages/shortages.json