Tolbutamide
Drug ingredientCAS 64-77-7
This chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.
This chemical is listed as active in US commerce, but no company reported it to EPA’s survey for 2019 or 2023. Sites may have made or imported less than the threshold amount, or none.
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 293590 · basket
These shares come from HS customs code 293590, which covers 182 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.
- Portugal
- Spain
- Italy
- Austria
- Israel
- Hungary
- Canada
- South Korea
- Netherlands
- Finland
- Poland
- Indonesia
- Ukraine
- Mexico
- South Africa
- Croatia
- Greece
- Taiwan
- Hong Kong
2 FDA-registered drug labelers
Why It Matters
Vendor Pricing
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
26 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 |
|---|---|---|---|---|
| Angene Chemical | China → Hong Kong | $0.83 | 500 g | 98% |
| Combi-Blocks, Inc. | United States | $0.91 | 500 g | 98% |
| BLD Pharmatech Ltd. | China | $1.06 | 500 g | 98% |
| A2B Chem LLC | United States | $1.07 | 250 g | 98% |
| Sigma-Aldrich (Rush Stock) | Germany | $1.08 | 100 g | — |
| Sigma-Aldrich | Germany | $1.08 | 100 g | — |
| AA BLOCKS | United States | $1.24 | 25 g | 98% |
| BLD Pharmatech GmbH | Germany | $1.25 | 100 g | 98% |
| AK Scientific Specialized | United States | $1.40 | 100 g | 95% |
| Ambeed, Inc. | United States | $1.52 | 25 g | 98% |
| AK Scientific, Inc. | United States | $1.87 | 100 g | 98% |
| BLD Pharmatech Co., Limited | United States | $2.40 | 5 g | 98% |
| Fulfilled by Molport | Latvia | $5.00 | 1 g | — |
| AstaTech (2 weeks) | United States | $7.00 | 5 g | 95% |
| Apexbio Technology LLC | United States | $14.80 | 5 g | 100% |
| MedChemExpress MCE | Sweden | $27.10 | 5 g | 99.96% |
| CliniSciences GmbH | Switzerland | $32.25 | 1 g | 99% |
| Molnova | China | $53.00 | 1 g | 99% |
| MedKoo Biosciences, Inc | United States | $55.00 | 10 g | 98% |
| TargetMol Chemicals | China → United States | $59.00 | 1 g | 99.93% |
| TargetMol Chemicals US | United States | $82.00 | 500 mg | 99.93% |
| Angene International Limited | United States | $109.00 | 1 g | 99% |
| Labotest KG | Germany | $217.80 | 5000 mg | 90% |
| Cayman Europe | Estonia | $1366.12 | 250 mg | 98% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 98% |
| Key Organics Ltd. | United Kingdom | $6900.00 | 10 mg | 98% |
Chemical Identity
Data Sources
- PubChem · compound 5505Retrieved 2026-04-07
- EPA TSCA InventoryRetrieved 2026-04-24
- FDA National Drug Code directoryRetrieved 2026-04-07
- US Census international tradeReporting year: 2024 · Retrieved 2026-10-04
Brief citations
Tolbutamide (CAS 64-77-7) https://chemicalindependence.com/chemical/64-77-7/ PubChem: 5505. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/5505 EPA TSCA Inventory: CAS 64-77-7. Retrieved 2026-04-24. https://www.epa.gov/tsca-inventory FDA National Drug Code directory: bulk match. Retrieved 2026-04-07. https://open.fda.gov/data/ndc/ US Census international trade: HS 293590 for CAS 64-77-7. Reporting year: 2024. https://usatrade.census.gov/