tiopronin
Drug ingredientThis chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.
Where It Comes From
14 FDA-registered drug labelers
Amneal Pharmaceuticals NY LLC
Azico Biophore India Private Limited
BioComp Pharma, Inc.
Cycle Pharmaceuticals Ltd.
Dasami Lab Private Limited
Endo USA, Inc.
Mission Pharmacal Company
MSN Life Sciences Private Limited
Nuray Chemicals Private Limited
Porton Pharma Solutions Ltd
SCL Lifesciences Limited
Teva Pharmaceuticals USA, Inc.
Teva Pharmaceuticals, Inc.
Torrent Pharmaceuticals Limited
Why It Matters
Sectors
Health
Downstream Uses
Appears in 4 drug and cosmetic product listings (FDA).
- •Tiopronin
- •Thiola
- •Thiola EC
- •Venxxiva
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
$1.03/gA2B Chem LLC
CountryUnited States
Pack$103.00 / 100 g
Purity98%
Vendors18 available
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
17 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 | $1.10 | 100 g | 98% |
| AA BLOCKS | United States | $1.20 | 25 g | 98% |
| AK Scientific Specialized | United States | $1.20 | 100 g | 95% |
| Angene Chemical | China → Hong Kong | $1.24 | 500 g | 98% |
| Ambeed, Inc. | United States | $1.32 | 100 g | 98% |
| Combi-Blocks, Inc. | United States | $1.40 | 25 g | 98% |
| AK Scientific, Inc. | United States | $1.61 | 100 g | 97% |
| Angene International Limited | United States | $2.83 | 100 g | 97% |
| Cayman Europe | Estonia | $27.13 | 5 g | 98% |
| Sigma-Aldrich (Rush Stock) | Germany | $36.03 | 10 g | — |
| Sigma-Aldrich | Germany | $36.03 | 10 g | — |
| TargetMol Chemicals | China → United States | $39.00 | 1 g | 99.97% |
| MedChemExpress MCE | Sweden | $62.92 | 1 g | 98% |
| Molnova | China | $380.00 | 200 mg | 99% |
| Labotest KG | Germany | $453.00 | 1000 mg | 90% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 98% |
| Key Organics Ltd. | United Kingdom | $6900.00 | 10 mg | 97% |
Chemical Identity
CAS1953-02-2
PubChem CID5483
DTXSIDDTXSID4023678
FormulaC5H9NO3S
Mol. Weight163.2 g/mol
SMILESCC(C(=O)NCC(=O)O)S
Data Sources
54832026-04-07
https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/name/tiopronin/cids/JSON
Archive: data/sources/pubchem_name/tiopronin.json
CAS 1953-02-22026-04-25
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