3-(2-Benzoxazolyl)-7-(diethylamino)coumarin
CAS 35773-42-3
2H-1-Benzopyran-2-one, 3-(2-benzoxazolyl)-7-(diethylamino)-
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
$238.00/gInterbioscreen
CountryHong Kong
Pack$2380.00 / 10 g
Purity95%
Vendors14 available
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
13 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 |
|---|---|---|---|---|
| TargetMol Chemicals | China → United States | $2240.00 | 200 mg | 99.99% |
| A2B Chem LLC | United States | $2450.00 | 100 mg | 99.96% |
| Combi-Blocks (back-ordered) | United States | $2700.00 | 100 mg | 95% |
| AA BLOCKS | United States | $2740.00 | 100 mg | 99.96% |
| Princeton BioMolecular Research (SC) | United States | $2900.00 | 100 mg | 90% |
| Vitas M Chemical Limited | Hong Kong | $3170.00 | 100 mg | 90% |
| TargetMol Chemicals EU | Austria | $3170.00 | 100 mg | 99.99% |
| AstaTech (2 weeks) | United States | $7040.00 | 100 mg | 95% |
| MedChemExpress MCE | Sweden | $7998.10 | 100 mg | 99.45% |
| Angene International Limited | United States | $10670.00 | 100 mg | 98% |
| ChemBridge Corporation | Kazakhstan | $18000.00 | 5 mg | 90% |
| Aaron Chemicals LLC | Hong Kong | $116800.00 | 10 mg | 99% |
| Angene Chemical | China → Hong Kong | $117400.00 | 10 mg | 99% |
Chemical Identity
CAS35773-42-3
PubChem CIDNot recorded
DTXSIDDTXSID3067940
FormulaC20H18N2O3
Mol. Weight334.375 g/mol
SMILESCCN(CC)C1=CC=C2C=C(C3=NC4=CC=CC=C4O3)C(=O)OC2=C1
Data Sources
- EPA TSCA InventoryRetrieved 2026-10-04
Brief citations
3-(2-Benzoxazolyl)-7-(diethylamino)coumarin (CAS 35773-42-3) https://chemicalindependence.com/chemical/35773-42-3/ EPA TSCA Inventory: CAS 35773-42-3. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory