1H,5H,11H-[1]Benzopyrano[6,7,8-ij]quinolizine-10-carboxylic acid, 2,3,6,7-tetrahydro-11-oxo-
CAS 55804-65-4
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
$114.60/gAaron Chemicals LLC
CountryHong Kong
Pack$573.00 / 5 g
Purity98%
Vendors27 available
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 | $115.40 | 5 g | 98% |
| Chemscene | United States | $241.60 | 5 g | — |
| A2B Chem LLC | United States | $245.00 | 1 g | 95% |
| Fluorochem EU | Germany | $263.78 | 1 g | 95% |
| AA BLOCKS | United States | $273.00 | 1 g | 98% |
| Combi-Blocks (back-ordered) | United States | $300.00 | 1 g | 95% |
| Ambeed, Inc. | United States | $316.00 | 5 g | 98% |
| BLD Pharmatech GmbH | Germany | $345.00 | 1 g | 98% |
| BLD Pharmatech Ltd. | China | $345.00 | 1 g | 98% |
| BLD Pharmatech Co., Limited | United States | $380.00 | 250 mg | 98% |
| TargetMol Chemicals | China → United States | $400.00 | 100 mg | 97.74% |
| Labotest KG | Germany | $453.00 | 1000 mg | 90% |
| AstaTech (2 weeks) | United States | $495.00 | 1 g | 95% |
| AK Scientific, Inc. | United States | $775.00 | 200 mg | — |
| Sigma-Aldrich (Rush Stock) | Germany | $830.96 | 500 mg | — |
| Sigma-Aldrich | Germany | $830.96 | 500 mg | — |
| Cayman Europe | Estonia | $885.36 | 250 mg | 95% |
| MedChemExpress MCE | Sweden | $1004.30 | 100 mg | 95.74% |
| Angene International Limited | United States | $1370.00 | 200 mg | — |
| MedKoo Biosciences, Inc | United States | $3400.00 | 250 mg | 98% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 98% |
| Princeton BioMolecular Research (SC) | United States | $5000.00 | 30 mg | 90% |
| Vitas M Chemical Limited | Hong Kong | $5133.33 | 30 mg | 90% |
| ChemDiv, Inc. | United States | $7666.67 | 15 mg | 90% |
| Interbioscreen | Hong Kong | $11695.50 | 100 mg | 95% |
| Otava, Ltd. | Ukraine | $14233.33 | 3 mg | 95% |
Chemical Identity
CAS55804-65-4
PubChem CIDNot recorded
DTXSIDDTXSID9069051
FormulaC16H15NO4
Mol. Weight285.299 g/mol
SMILESOC(=O)C1=CC2=CC3=C4N(CCC3)CCCC4=C2OC1=O
Data Sources
- EPA TSCA InventoryRetrieved 2026-10-04
Brief citations
1H,5H,11H-[1]Benzopyrano[6,7,8-ij]quinolizine-10-carboxylic acid, 2,3,6,7-tetrahydro-11-oxo- (CAS 55804-65-4) https://chemicalindependence.com/chemical/55804-65-4/ EPA TSCA Inventory: CAS 55804-65-4. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory