Dicumarol
CAS 66-76-2
2H-1-Benzopyran-2-one, 3,3'-methylenebis[4-hydroxy-
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 293220 · basket
These shares come from HS customs code 293220, which covers 151 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.
- Mexico
- Austria
- Indonesia
- Czech Republic
- Slovakia
- Malaysia
- Israel
- Poland
- Vietnam
- Ukraine
- South Africa
- Singapore
- Russia
- Lithuania
- Hungary
- Belarus
- Brazil
- Australia
Why It Matters
No EPA sector or FDA product records name a use for this chemical.
Vendor Pricing
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
22 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 |
|---|---|---|---|---|
| A2B Chem LLC | United States | $1.80 | 100 g | 98% |
| AK Scientific Specialized | United States | $1.86 | 100 g | 95% |
| AA BLOCKS | United States | $2.07 | 100 g | 98% |
| AK Scientific, Inc. | United States | $2.49 | 100 g | 98% |
| Cayman Europe | Estonia | $10.47 | 10 g | 98% |
| Sigma-Aldrich (Rush Stock) | Germany | $12.87 | 5 g | — |
| Sigma-Aldrich | Germany | $12.87 | 5 g | — |
| MedKoo Biosciences, Inc | United States | $26.00 | 25 g | 98% |
| Key Organics Ltd. | United Kingdom | $42.40 | 5 g | 98% |
| Molnova | China | $74.00 | 500 mg | 99% |
| TargetMol Chemicals | China → United States | $82.00 | 500 mg | 99.99% |
| MedChemExpress MCE | Sweden | $125.84 | 500 mg | 99.89% |
| Interbioscreen | Hong Kong | $170.00 | 10 g | 95% |
| Labotest KG | Germany | $453.00 | 1000 mg | 90% |
| Apexbio Technology LLC | United States | $500.00 | 100 mg | 98.22% |
| Vitas M Chemical Limited | Hong Kong | $638.00 | 1 g | 90% |
| Maybridge, Ltd. | United Kingdom | $2414.30 | 100 mg | 90% |
| Princeton BioMolecular Research (SC) | United States | $2900.00 | 100 mg | 90% |
| ChemDiv, Inc. | United States | $5480.00 | 50 mg | 90% |
| Asinex | Netherlands | $6461.40 | 100 mg | 90% |
| ChemBridge Corporation | Kazakhstan | $18000.00 | 5 mg | 90% |
| TimTec, LLC (back-ordered) | United States | $32000.00 | 15 mg | 94% |
Chemical Identity
Data Sources
- EPA TSCA InventoryRetrieved 2026-10-04
- US Census international tradeReporting year: 2024 · Retrieved 2026-10-04
Brief citations
Dicumarol (CAS 66-76-2) https://chemicalindependence.com/chemical/66-76-2/ EPA TSCA Inventory: CAS 66-76-2. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 293220 for CAS 66-76-2. Reporting year: 2024. https://usatrade.census.gov/