Oxcarbazepine
Drug ingredientCAS 28721-07-5
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 293399 · basket
These shares come from HS customs code 293399, which covers 518 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.
- Taiwan
- Poland
- Canada
- Ivory Coast
- Greece
- Hungary
- Indonesia
- Latvia
- Belgium
- Slovakia
- Czech Republic
- Austria
- Netherlands
- Finland
- Denmark
- Croatia
- Australia
- South Africa
- Sweden
- Hong Kong
- Malta
- Singapore
- Lithuania
- Malaysia
- Oman
- Serbia
56 FDA-registered drug labelers
Why It Matters
Appears in 3 drug and cosmetic product listings (FDA).
- •Oxcarbazepine
- •Trileptal
- •Oxtellar XR
Vendor Pricing
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
27 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 |
|---|---|---|---|---|
| Chemscene | United States | $0.99 | 500 g | — |
| BLD Pharmatech Co., Limited | United States | $0.99 | 500 g | 98% |
| BLD Pharmatech Ltd. | China | $0.99 | 500 g | 98% |
| Ambeed, Inc. | United States | $0.99 | 500 g | 98% |
| A2B Chem LLC | United States | $1.06 | 500 g | 98% |
| Aaron Chemicals LLC | Hong Kong | $1.11 | 500 g | 98% |
| AA BLOCKS | United States | $1.11 | 500 g | 98% |
| Angene Chemical | China → Hong Kong | $1.19 | 500 g | 98% |
| BLD Pharmatech GmbH | Germany | $1.65 | 100 g | 98% |
| AK Scientific Specialized | United States | $1.65 | 100 g | 95% |
| AK Scientific, Inc. | United States | $2.21 | 100 g | 98% |
| Fluorochem EU | Germany | $2.71 | 25 g | 98% |
| Angene International Limited | United States | $3.75 | 100 g | 98% |
| AstaTech (2 weeks) | United States | $9.96 | 25 g | 95% |
| Interbioscreen | Hong Kong | $34.00 | 10 g | 95% |
| Sigma-Aldrich (Rush Stock) | Germany | $276.09 | 1 g | — |
| Sigma-Aldrich | Germany | $276.09 | 1 g | — |
| TargetMol Chemicals | China → United States | $494.00 | 500 mg | 99.31% |
| MedChemExpress MCE | Sweden | $825.22 | 500 mg | 99.9% |
| TargetMol Chemicals EU | Austria | $1420.00 | 100 mg | 99.31% |
| ALFA AESAR | Germany | $1564.80 | 250 mg | 98% |
| Cayman Europe | Estonia | $1685.04 | 250 mg | 98% |
| Axon Medchem | Netherlands | $2160.00 | 50 mg | 99% |
| Princeton BioMolecular Research (SC) | United States | $2900.00 | 100 mg | 90% |
| Apexbio Technology LLC | United States | $2980.00 | 50 mg | 99.86% |
| Vitas M Chemical Limited | Hong Kong | $3170.00 | 100 mg | 90% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 98% |
Chemical Identity
Data Sources
- PubChem · compound 34312Retrieved 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
Oxcarbazepine (CAS 28721-07-5) https://chemicalindependence.com/chemical/28721-07-5/ PubChem: 34312. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/34312 FDA National Drug Code directory: CAS 28721-07-5. 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 293399 for CAS 28721-07-5. Reporting year: 2024. https://usatrade.census.gov/