Urethane
CAS 51-79-6
Carbamic acid, ethyl ester
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 292419 · basket
These shares come from HS customs code 292419, which covers 211 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.
- Hungary
- Austria
- Spain
- Egypt
- Canada
- Sweden
- Ukraine
- Denmark
- Israel
- Lithuania
- Greece
- Ireland
- Taiwan
- Uruguay
- Turkey
- Australia
- Singapore
- Latvia
- Colombia
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.
26 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 | $0.04 | 500 g | 99% |
| A2B Chem LLC | United States | $0.06 | 500 g | 98% |
| AA BLOCKS | United States | $0.08 | 500 g | 98% |
| Combi-Blocks, Inc. | United States | $0.25 | 1 kg | 98% |
| Fluorochem EU | Germany | $0.39 | 25 g | 98% |
| Fluorochem UK | United Kingdom | $0.40 | 25 g | 98% |
| Sigma-Aldrich (Rush Stock) | Germany | $0.42 | 1 kg | 99% |
| Sigma-Aldrich | Germany | $0.42 | 1 kg | 99% |
| AK Scientific Specialized | United States | $0.52 | 100 g | 95% |
| ALFA AESAR | Germany | $0.71 | 250 g | 98% |
| AK Scientific, Inc. | United States | $0.71 | 100 g | 98% |
| Angene International Limited | United States | $1.45 | 100 g | 98% |
| AstaTech, Inc | United States | $1.48 | 25 g | 95% |
| MedKoo Biosciences, Inc | United States | $2.50 | 100 g | 98% |
| MedChemExpress MCE | Sweden | $4.96 | 10 g | 99.99% |
| Molnova | China | $48.00 | 1 g | 99% |
| Apexbio Technology LLC | United States | $50.00 | 1 g | 98% |
| TargetMol Chemicals | China → United States | $58.00 | 500 mg | 99.63% |
| Labotest KG | Germany | $453.00 | 1000 mg | 90% |
| Otava, Ltd. | Ukraine | $460.00 | 250 mg | 90% |
| Key Organics Ltd. | United Kingdom | $1960.00 | 100 mg | 90% |
| Otava, Ltd. (2 weeks) | Ukraine | $2724.00 | 50 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 | 99% |
| 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
Urethane (CAS 51-79-6) https://chemicalindependence.com/chemical/51-79-6/ EPA TSCA Inventory: CAS 51-79-6. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 292419 for CAS 51-79-6. Reporting year: 2024. https://usatrade.census.gov/