2,3-Quinolinedicarboxylic acid
CAS 643-38-9
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
$0.28/gAaron Chemicals LLC
CountryHong Kong
Pack$139.00 / 500 g
Purity97%
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 | $0.30 | 500 g | 97% |
| Fluorochem EU | Germany | $0.52 | 100 g | 98% |
| Combi-Blocks, Inc. | United States | $0.53 | 100 g | 98% |
| BLD Pharmatech Co., Limited | United States | $0.53 | 100 g | 97% |
| BLD Pharmatech GmbH | Germany | $0.53 | 100 g | 97% |
| BLD Pharmatech Ltd. | China | $0.53 | 100 g | 97% |
| Ambeed, Inc. | United States | $0.53 | 100 g | 97% |
| A2B Chem LLC | United States | $0.53 | 100 g | 97% |
| AA BLOCKS | United States | $0.64 | 25 g | 97% |
| MedChemExpress MCE | Sweden | $0.65 | 100 g | — |
| AK Scientific Specialized | United States | $0.66 | 100 g | 95% |
| AK Scientific, Inc. | United States | $0.88 | 100 g | 98% |
| Angene International Limited | United States | $1.37 | 100 g | 97% |
| AstaTech (2 weeks) | United States | $5.89 | 100 g | 97% |
| Accela ChemBio | United States | $15.00 | 1 g | 97% |
| BioBlocks | United States | $35.80 | 50 g | — |
| TargetMol Chemicals | China → United States | $500.00 | 100 mg | 99.26% |
| Specs | Netherlands | $2299.00 | 10 mg | 90% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 97% |
Chemical Identity
CAS643-38-9
PubChem CIDNot recorded
DTXSIDDTXSID9027281
FormulaC11H7NO4
Mol. Weight217.18 g/mol
SMILESOC(=O)C1=C(N=C2C=CC=CC2=C1)C(O)=O
Data Sources
- EPA TSCA InventoryRetrieved 2026-10-04
Brief citations
2,3-Quinolinedicarboxylic acid (CAS 643-38-9) https://chemicalindependence.com/chemical/643-38-9/ EPA TSCA Inventory: CAS 643-38-9. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory