Carbamazepine
Drug ingredientCAS 298-46-4
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 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
58 FDA-registered drug labelers
Why It Matters
Appears in 8 drug and cosmetic product listings (FDA).
- •carbamazepine
- •Tegretol
- •Tegretol XR
- •Epitol
- •Carbamazepine ER
- •Equetro
- •Carbatrol
- •Carbamazepin
- to be discontinued
Carbamazepine Capsule, Extended Release
Shortage listed since December 19, 2025
- to be discontinued
Carbamazepine Tablet
Shortage listed since June 10, 2025
Vendor Pricing
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
31 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 |
|---|---|---|---|---|
| AA BLOCKS | United States | $0.23 | 100 g | 98% |
| Chemscene | United States | $0.26 | 500 g | — |
| BLD Pharmatech GmbH | Germany | $0.26 | 500 g | 98% |
| BLD Pharmatech Ltd. | China | $0.26 | 500 g | 98% |
| Ambeed, Inc. | United States | $0.26 | 500 g | 98% |
| Fluorochem EU | Germany | $0.33 | 100 g | 98% |
| Aaron Chemicals LLC | Hong Kong | $0.39 | 500 g | 98% |
| Angene Chemical | China → Hong Kong | $0.42 | 500 g | 98% |
| BLD Pharmatech Co., Limited | United States | $0.42 | 100 g | 98% |
| AstaTech, Inc | United States | $0.59 | 250 g | 97% |
| Apollo Scientific US | United Kingdom | $0.86 | 500 g | — |
| Fluorochem UK | United Kingdom | $1.57 | 10 g | 98% |
| Accela ChemBio | United States | $2.00 | 5 g | 98% |
| Cayman Europe | Estonia | $4.45 | 50 g | 98% |
| Angene International Limited | United States | $5.86 | 100 g | 98% |
| Life Chemicals Inc. | Ukraine → Canada | $12.00 | 5 g | 95% |
| Sigma-Aldrich (Rush Stock) | Germany | $13.92 | 25 g | — |
| Sigma-Aldrich | Germany | $13.92 | 25 g | — |
| Fulfilled by Molport | Latvia | $50.00 | 100 mg | 98% |
| Vitas M Chemical Limited | Hong Kong | $53.00 | 5 g | 90% |
| TargetMol Chemicals | China → United States | $100.00 | 500 mg | 99.99% |
| CliniSciences GmbH | Switzerland | $116.10 | 500 mg | 98% |
| MedChemExpress MCE | Sweden | $150.04 | 500 mg | 99.95% |
| Apexbio Technology LLC | United States | $1000.00 | 50 mg | 99.79% |
| Otava, Ltd. | Ukraine | $2280.00 | 50 mg | 95% |
| Otava, Ltd. (2 weeks) | Ukraine | $2724.00 | 50 mg | 90% |
| Princeton BioMolecular Research (SC) | United States | $2900.00 | 100 mg | 90% |
| ChemDiv, Inc. | United States | $4070.00 | 100 mg | 90% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 98% |
| Key Organics Ltd. | United Kingdom | $6900.00 | 10 mg | 97% |
| TimTec, LLC | United States | $13333.33 | 30 mg | 90% |
Chemical Identity
Data Sources
- PubChem · compound 2554Retrieved 2026-04-07
- FDA National Drug Code directoryRetrieved 2026-04-25
- FDA Drug ShortagesRetrieved 2026-10-04
- US Census international tradeReporting year: 2024 · Retrieved 2026-10-04
Brief citations
Carbamazepine (CAS 298-46-4) https://chemicalindependence.com/chemical/298-46-4/ PubChem: 2554. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/2554 FDA National Drug Code directory: CAS 298-46-4. Retrieved 2026-04-25. https://open.fda.gov/data/ndc/ FDA Drug Shortages: CAS 298-46-4. Retrieved 2026-10-04. https://www.accessdata.fda.gov/scripts/drugshortages/ US Census international trade: HS 293399 for CAS 298-46-4. Reporting year: 2024. https://usatrade.census.gov/