tioxolone
Drug ingredientCAS 4991-65-5
This chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.
This chemical is not on EPA’s Toxic Substances Control Act inventory, the list behind EPA’s production survey.
Why supply is unknownProduction is reported production, not a complete census of factories. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.
Where It Comes From
Customs basis: HS 293499 · basket
These shares come from HS customs code 293499, which covers 575 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.
- Finland
- Netherlands
- Canada
- Indonesia
- Mexico
- Taiwan
- South Korea
- Austria
- Croatia
- Sweden
- Ukraine
- Denmark
- Israel
- Czech Republic
- New Zealand
- Hong Kong
- Kyrgyzstan
- Australia
- Portugal
- South Africa
- Poland
- Slovenia
- Brazil
- Slovakia
- Vietnam
- Latvia
- Malta
- Hungary
- Romania
- Kenya
- Belarus
- Russia
- Turkey
- Norway
1 FDA-registered drug labeler
Why It Matters
Appears in 2 drug and cosmetic product listings (FDA).
- •Anubis Barcelona Regul Oil
- •Anubis Barcelona
Vendor Pricing
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
29 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 | $2.86 | 100 g | 98% |
| Angene Chemical | China → Hong Kong | $2.89 | 100 g | 98% |
| AA BLOCKS | United States | $3.24 | 25 g | 98% |
| BLD Pharmatech GmbH | Germany | $4.60 | 25 g | 98% |
| BLD Pharmatech Ltd. | China | $4.60 | 25 g | 98% |
| AK Scientific Specialized | United States | $4.60 | 25 g | 95% |
| Combi-Blocks, Inc. | United States | $4.60 | 25 g | 98% |
| Angene International Limited | United States | $4.92 | 25 g | 98% |
| Fluorochem EU | Germany | $5.57 | 25 g | 95% |
| AK Scientific, Inc. | United States | $6.16 | 25 g | 98% |
| Sigma-Aldrich (Rush Stock) | Germany | $6.70 | 50 g | 98% |
| Sigma-Aldrich | Germany | $6.70 | 50 g | 98% |
| BLD Pharmatech Co., Limited | United States | $7.60 | 5 g | 98% |
| Ambeed, Inc. | United States | $7.60 | 5 g | 98% |
| Cayman Europe | Estonia | $8.04 | 50 g | 95% |
| Fluorochem UK | United Kingdom | $9.15 | 5 g | 95% |
| TargetMol Chemicals | China → United States | $15.00 | 2 g | 97.79% |
| MedChemExpress MCE | Sweden | $15.00 | 5 g | 98.83% |
| ChemDiv, Inc. | United States | $25.00 | 25 g | 90% |
| MedKoo Biosciences, Inc | United States | $50.00 | 25 g | 98% |
| Molnova | China | $51.00 | 1 g | 99% |
| Apexbio Technology LLC | United States | $57.00 | 1 g | 98.67% |
| AstaTech (2 weeks) | United States | $58.20 | 10 g | 98% |
| Interbioscreen | Hong Kong | $150.00 | 10 g | 95% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 98% |
| Vitas M Chemical Limited | Hong Kong | $9000.00 | 10 mg | 90% |
| TimTec, LLC | United States | $9333.33 | 30 mg | 98% |
| Life Chemicals Inc. | Ukraine → Canada | $9900.00 | 10 mg | 90% |
| Princeton BioMolecular Research (SC) | United States | $10500.00 | 10 mg | 90% |
Chemical Identity
Data Sources
- PubChem · compound 72139Retrieved 2026-04-07
- FDA National Drug Code directoryRetrieved 2026-04-25
- FDA National Drug Code directoryRetrieved 2026-04-07
- US Census international tradeReporting year: 2024 · Retrieved 2026-10-04
Brief citations
tioxolone (CAS 4991-65-5) https://chemicalindependence.com/chemical/4991-65-5/ PubChem: 72139. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/72139 FDA National Drug Code directory: CAS 4991-65-5. Retrieved 2026-04-25. https://open.fda.gov/data/ndc/ FDA National Drug Code directory: bulk match. Retrieved 2026-04-07. https://open.fda.gov/data/ndc/ US Census international trade: HS 293499 for CAS 4991-65-5. Reporting year: 2024. https://usatrade.census.gov/