Chlorzoxazone
Drug ingredientCAS 95-25-0
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 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
24 FDA-registered drug labelers
Why It Matters
Appears in 1 drug and cosmetic product listings (FDA).
- •Chlorzoxazone
Vendor Pricing
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
28 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 | $0.10 | 500 g | 98% |
| Apollo Scientific US | United Kingdom | $0.20 | 2.5 kg | 98% |
| Fulfilled by Molport | Latvia | $0.20 | 25 g | 99% |
| Fluorochem EU | Germany | $0.21 | 100 g | 98% |
| BLD Pharmatech Ltd. | China | $0.21 | 1 kg | 99% |
| A2B Chem LLC | United States | $0.21 | 250 g | 99% |
| BLD Pharmatech GmbH | Germany | $0.25 | 500 g | 99% |
| Combi-Blocks, Inc. | United States | $0.25 | 1 kg | 98% |
| AA BLOCKS | United States | $0.27 | 250 g | 99% |
| Ambeed, Inc. | United States | $0.33 | 100 g | 99% |
| Fluorochem UK | United Kingdom | $0.34 | 25 g | 98% |
| BLD Pharmatech Co., Limited | United States | $0.56 | 25 g | 99% |
| Angene International Limited | United States | $0.93 | 500 g | 98% |
| ALFA AESAR | Germany | $1.08 | 50 g | 99% |
| Cayman Europe | Estonia | $1.17 | 250 g | 98% |
| AstaTech (2 weeks) | United States | $1.48 | 25 g | 95% |
| Sigma-Aldrich (Rush Stock) | Germany | $3.59 | 100 g | — |
| Sigma-Aldrich | Germany | $3.59 | 100 g | — |
| MedChemExpress MCE | Sweden | $15.00 | 5 g | 99.91% |
| TargetMol Chemicals | China → United States | $30.00 | 1 g | 99.72% |
| MedKoo Biosciences, Inc | United States | $30.00 | 25 g | 98% |
| Molnova | China | $76.00 | 500 mg | 99% |
| Labotest KG | Germany | $217.80 | 5000 mg | 90% |
| Princeton BioMolecular Research (SC) | United States | $2900.00 | 100 mg | 90% |
| Vitas M Chemical Limited | Hong Kong | $3170.00 | 100 mg | 90% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 98% |
| Key Organics Ltd. | United Kingdom | $6900.00 | 10 mg | 97% |
| TimTec, LLC (back-ordered) | United States | $32000.00 | 15 mg | 94% |
Chemical Identity
Data Sources
- PubChem · compound 2733Retrieved 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
Chlorzoxazone (CAS 95-25-0) https://chemicalindependence.com/chemical/95-25-0/ PubChem: 2733. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/2733 EPA TSCA Inventory: CAS 95-25-0. 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 293499 for CAS 95-25-0. Reporting year: 2024. https://usatrade.census.gov/