Zonisamide
Drug ingredientCAS 68291-97-4
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 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
34 FDA-registered drug labelers
Why It Matters
Appears in 3 drug and cosmetic product listings (FDA).
- •Zonisamide
- •Zonegran
- •Zonisade
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 | $3.67 | 100 g | 98% |
| Combi-Blocks, Inc. | United States | $5.35 | 100 g | 98% |
| A2B Chem LLC | United States | $5.70 | 100 g | 99% |
| AA BLOCKS | United States | $6.02 | 100 g | 99% |
| BLD Pharmatech GmbH | Germany | $7.07 | 100 g | 99% |
| BLD Pharmatech Ltd. | China | $7.07 | 100 g | 99% |
| Chemscene | United States | $7.10 | 100 g | — |
| BLD Pharmatech Co., Limited | United States | $7.78 | 100 g | 99% |
| Ambeed, Inc. | United States | $7.78 | 100 g | 99% |
| AstaTech, Inc | United States | $19.80 | 5 g | 98% |
| Fulfilled by Molport | Latvia | $80.00 | 100 mg | 98% |
| AK Scientific, Inc. | United States | $116.00 | 1 g | 98% |
| Interbioscreen | Hong Kong | $150.00 | 10 g | 95% |
| Angene International Limited | United States | $214.00 | 1 g | 98% |
| Molnova | China | $242.00 | 500 mg | 99% |
| TargetMol Chemicals | China → United States | $268.00 | 500 mg | 99.99% |
| Apexbio Technology LLC | United States | $276.00 | 500 mg | 99.91% |
| MedChemExpress MCE | Sweden | $406.56 | 500 mg | 99.95% |
| AK Scientific Specialized | United States | $496.00 | 500 mg | 98% |
| Cayman Europe | Estonia | $605.71 | 1 g | 98% |
| MedKoo Biosciences, Inc | United States | $690.00 | 5 g | 98% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 98% |
| Princeton BioMolecular Research (SC) | United States | $8000.00 | 15 mg | 90% |
| Key Organics Ltd. | United Kingdom | $8500.00 | 10 mg | 97% |
| Vitas M Chemical Limited | Hong Kong | $9000.00 | 10 mg | 90% |
| CliniSciences GmbH | Switzerland | $9288.00 | 10 mg | 99% |
Chemical Identity
Data Sources
- PubChem · compound 5734Retrieved 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
Zonisamide (CAS 68291-97-4) https://chemicalindependence.com/chemical/68291-97-4/ PubChem: 5734. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/5734 FDA National Drug Code directory: CAS 68291-97-4. 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 293590 for CAS 68291-97-4. Reporting year: 2024. https://usatrade.census.gov/