Ethyl 4-methylimidazole-5-carboxylate
CAS 51605-32-4
1H-Imidazole-5-carboxylic acid, 4-methyl-, 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 293329 · basket
These shares come from HS customs code 293329, which covers 173 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.
- Australia
- Brazil
- Czech Republic
- Ireland
- Sweden
- Ukraine
- Poland
- United Arab Emirates
- Hungary
- Israel
- Netherlands
- Canada
- Saudi Arabia
- Greece
- Belgium
- Austria
- Latvia
- Singapore
- Denmark
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.
23 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 |
|---|---|---|---|---|
| Combi-Blocks, Inc. | United States | $0.69 | 1 kg | 97% |
| Aaron Chemicals LLC | Hong Kong | $0.75 | 500 g | 98% |
| Angene Chemical | China → Hong Kong | $0.76 | 500 g | 98% |
| AA BLOCKS | United States | $0.76 | 25 g | 95% |
| BLD Pharmatech Ltd. | China | $0.81 | 1 kg | 98% |
| BLD Pharmatech Co., Limited | United States | $0.95 | 500 g | 98% |
| BLD Pharmatech GmbH | Germany | $0.95 | 500 g | 98% |
| Ambeed, Inc. | United States | $0.95 | 500 g | 98% |
| Fluorochem EU | Germany | $1.16 | 25 g | 97% |
| AK Scientific Specialized | United States | $1.50 | 100 g | 95% |
| AK Scientific, Inc. | United States | $2.01 | 100 g | 98% |
| AstaTech (2 weeks) | United States | $2.10 | 100 g | 95% |
| Synthonix | United States | $2.50 | 10 g | 95% |
| Angene International Limited | United States | $2.66 | 100 g | 95% |
| Accela ChemBio | United States | $10.00 | 1 g | 95% |
| Eximed | Ukraine | $24.00 | 5 g | 95% |
| Otava, Ltd. | Ukraine | $45.00 | 5 g | 90% |
| Interbioscreen | Hong Kong | $51.00 | 10 g | 95% |
| ChemDiv, Inc. (rush stock) | United States | $400.00 | 1 g | — |
| Otava, Ltd. (2 weeks) | Ukraine | $2724.00 | 50 mg | 90% |
| Princeton BioMolecular Research (SC) | United States | $2900.00 | 100 mg | 90% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 98% |
| TimTec, LLC | United States | $14666.67 | 30 mg | 90% |
Chemical Identity
Data Sources
- EPA TSCA InventoryRetrieved 2026-10-04
- US Census international tradeReporting year: 2024 · Retrieved 2026-10-04
Brief citations
Ethyl 4-methylimidazole-5-carboxylate (CAS 51605-32-4) https://chemicalindependence.com/chemical/51605-32-4/ EPA TSCA Inventory: CAS 51605-32-4. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 293329 for CAS 51605-32-4. Reporting year: 2024. https://usatrade.census.gov/