2H-1-Benzopyran-3-carboxylic acid, 7-(diethylamino)-2-oxo-, ethyl ester
CAS 28705-46-6
EPA and Census publish no US supply data for this chemical.
US productionNot reported
Top sourceNo public record
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 unknownWhere It Comes From
EPA and Census publish no US supply data for this chemical.
Why It Matters
No EPA sector or FDA product records name a use for this chemical.
Vendor Pricing
$11.00/gA2B Chem LLC
CountryUnited States
Pack$55.00 / 5 g
Purity98%
Vendors20 available
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
19 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 | $12.52 | 25 g | 98% |
| Combi-Blocks, Inc. | United States | $13.00 | 5 g | 98% |
| Aaron Chemicals LLC | Hong Kong | $13.04 | 25 g | 98% |
| AA BLOCKS | United States | $13.40 | 5 g | 98% |
| Chemscene | United States | $15.60 | 5 g | — |
| BLD Pharmatech GmbH | Germany | $15.60 | 5 g | 98% |
| BLD Pharmatech Ltd. | China | $15.60 | 5 g | 98% |
| Fluorochem EU | Germany | $19.12 | 5 g | 98% |
| BLD Pharmatech Co., Limited | United States | $25.00 | 1 g | 98% |
| Ambeed, Inc. | United States | $25.00 | 1 g | 98% |
| TargetMol Chemicals | China → United States | $29.00 | 1 g | 99.97% |
| MedChemExpress MCE | Sweden | $52.51 | 5 g | 99.94% |
| Apexbio Technology LLC | United States | $55.00 | 1 g | 99.65% |
| AstaTech (2 weeks) | United States | $100.40 | 5 g | 98% |
| Angene International Limited | United States | $100.80 | 5 g | 98% |
| 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% |
Chemical Identity
CAS28705-46-6
PubChem CIDNot recorded
DTXSIDDTXSID2067406
FormulaC16H19NO4
Mol. Weight289.331 g/mol
SMILESCCOC(=O)C1=CC2=CC=C(C=C2OC1=O)N(CC)CC
Data Sources
- EPA TSCA InventoryRetrieved 2026-10-04
Brief citations
2H-1-Benzopyran-3-carboxylic acid, 7-(diethylamino)-2-oxo-, ethyl ester (CAS 28705-46-6) https://chemicalindependence.com/chemical/28705-46-6/ EPA TSCA Inventory: CAS 28705-46-6. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory