6-Methyl-2-thiouracil
CAS 56-04-2
4(1H)-Pyrimidinone, 2,3-dihydro-6-methyl-2-thioxo-
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 293359 · basket
These shares come from HS customs code 293359, which covers 295 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.
- Israel
- Bulgaria
- Japan
- Spain
- Sweden
- Canada
- Taiwan
- Finland
- Portugal
- Mexico
- Belgium
- Hungary
- Austria
- Brazil
- Ukraine
- Croatia
- Malta
- South Korea
- South Africa
- Denmark
- Czech Republic
- Malaysia
- Argentina
- Poland
- Cameroon
- Australia
- Hong Kong
- Slovakia
- Latvia
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.
30 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 |
|---|---|---|---|---|
| BLD Pharmatech GmbH | Germany | $0.20 | 500 g | 95% |
| BLD Pharmatech Ltd. | China | $0.20 | 500 g | 95% |
| AK Scientific, Inc. | United States | $0.20 | 1 kg | 99% |
| BLD Pharmatech Co., Limited | United States | $0.22 | 500 g | 95% |
| A2B Chem LLC | United States | $0.22 | 100 g | 98% |
| Aaron Chemicals LLC | Hong Kong | $0.22 | 500 g | 98% |
| AA BLOCKS | United States | $0.24 | 100 g | 98% |
| AK Scientific Specialized | United States | $0.24 | 500 g | 98% |
| Angene Chemical | China → Hong Kong | $0.26 | 500 g | 98% |
| Apollo Scientific UK | United Kingdom | $0.42 | 50 g | 95% |
| Sigma-Aldrich (Rush Stock) | Germany | $1.53 | 100 g | 98% |
| Sigma-Aldrich | Germany | $1.53 | 100 g | 98% |
| AstaTech (2 weeks) | United States | $1.60 | 25 g | 95% |
| MedKoo Biosciences, Inc | United States | $10.00 | 25 g | 98% |
| Interbioscreen | Hong Kong | $34.00 | 10 g | 95% |
| Life Chemicals Inc. | Ukraine → Canada | $38.00 | 500 mg | 95% |
| Labotest KG | Germany | $217.80 | 5000 mg | 90% |
| Fluorochem EU | Germany | $254.10 | 100 mg | 98% |
| Otava, Ltd. | Ukraine | $460.00 | 250 mg | 95% |
| Molnova | China | $580.00 | 200 mg | 99% |
| TargetMol Chemicals US | United States | $645.00 | 200 mg | 99.99% |
| TargetMol Chemicals | China → United States | $740.00 | 100 mg | 99.99% |
| Apexbio Technology LLC | United States | $1100.00 | 50 mg | 99.97% |
| MedChemExpress MCE | Sweden | $1331.00 | 100 mg | 99.93% |
| Key Organics Ltd. | United Kingdom | $2740.00 | 50 mg | 95% |
| Princeton BioMolecular Research (SC) | United States | $2900.00 | 100 mg | 90% |
| Vitas M Chemical Limited | Hong Kong | $3170.00 | 100 mg | 90% |
| ChemDiv, Inc. | United States | $4070.00 | 100 mg | 90% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 98% |
| 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
6-Methyl-2-thiouracil (CAS 56-04-2) https://chemicalindependence.com/chemical/56-04-2/ EPA TSCA Inventory: CAS 56-04-2. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 293359 for CAS 56-04-2. Reporting year: 2024. https://usatrade.census.gov/