Ethyl 3-chloro-4-fluorobenzoate
CAS 137521-81-4
Benzoic acid, 3-chloro-4-fluoro-, ethyl ester
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
$1.12/gA2B Chem LLC
CountryUnited States
Pack$28.00 / 25 g
Purity95%
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 |
|---|---|---|---|---|
| Combi-Blocks, Inc. | United States | $1.19 | 100 g | 95% |
| Chemscene | United States | $1.20 | 100 g | — |
| Angene Chemical | China → Hong Kong | $1.34 | 100 g | 98% |
| Aaron Chemicals LLC | Hong Kong | $1.36 | 100 g | 98% |
| AA BLOCKS | United States | $1.36 | 25 g | 95% |
| Fluorochem EU | Germany | $1.48 | 100 g | 98% |
| BLD Pharmatech Ltd. | China | $1.60 | 100 g | 95% |
| BLD Pharmatech Co., Limited | United States | $2.00 | 25 g | 95% |
| Ambeed, Inc. | United States | $2.00 | 25 g | 95% |
| AK Scientific Specialized | United States | $2.11 | 100 g | 95% |
| BLD Pharmatech GmbH | Germany | $2.12 | 25 g | 95% |
| Synthonix | United States | $2.40 | 25 g | 95% |
| AK Scientific, Inc. | United States | $2.83 | 100 g | 98% |
| Apollo Scientific US | United Kingdom | $3.12 | 25 g | 95% |
| Angene International Limited | United States | $3.59 | 100 g | 95% |
| ChemDiv, Inc. | United States | $18.00 | 50 g | 90% |
| AstaTech (2 weeks) | United States | $24.36 | 25 g | 97% |
| Key Organics Ltd. | United Kingdom | $1960.00 | 100 mg | 90% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 98% |
Chemical Identity
CAS137521-81-4
PubChem CIDNot recorded
DTXSIDDTXSID50589911
FormulaC9H8ClFO2
Mol. Weight202.61 g/mol
SMILESCCOC(=O)C1=CC(Cl)=C(F)C=C1
Data Sources
- EPA TSCA InventoryRetrieved 2026-10-04
Brief citations
Ethyl 3-chloro-4-fluorobenzoate (CAS 137521-81-4) https://chemicalindependence.com/chemical/137521-81-4/ EPA TSCA Inventory: CAS 137521-81-4. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory