Benzoic acid, 3-(chlorosulfonyl)-, methyl ester
CAS 63555-50-0
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
$2.50/gAA BLOCKS
CountryUnited States
Pack$250.00 / 100 g
Purity97%
Vendors18 available
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
17 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 |
|---|---|---|---|---|
| A2B Chem LLC | United States | $2.50 | 100 g | 97% |
| Aaron Chemicals LLC | Hong Kong | $3.12 | 100 g | 96% |
| Angene Chemical | China → Hong Kong | $3.15 | 100 g | 98% |
| AstaTech, Inc | United States | $3.24 | 25 g | 95% |
| Combi-Blocks, Inc. | United States | $3.59 | 100 g | 98% |
| Chemscene | United States | $3.59 | 100 g | — |
| Ambeed, Inc. | United States | $3.64 | 25 g | 96% |
| Fluorochem EU | Germany | $4.45 | 25 g | 95% |
| MedChemExpress MCE | Sweden | $4.49 | 100 g | — |
| Angene International Limited | United States | $5.44 | 25 g | 97% |
| Fluorochem UK | United Kingdom | $5.58 | 10 g | 95% |
| Synthonix | United States | $6.00 | 5 g | 96% |
| Apollo Scientific US | United Kingdom | $9.48 | 25 g | 95% |
| Accela ChemBio | United States | $15.00 | 1 g | 97% |
| AK Scientific, Inc. | United States | $19.20 | 10 g | 98% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 98% |
| ChemDiv, Inc. | United States | $7666.67 | 15 mg | 90% |
Chemical Identity
CAS63555-50-0
PubChem CIDNot recorded
DTXSIDDTXSID8069935
FormulaC8H7ClO4S
Mol. Weight234.65 g/mol
SMILESCOC(=O)C1=CC=CC(=C1)S(Cl)(=O)=O
Data Sources
- EPA TSCA InventoryRetrieved 2026-10-04
Brief citations
Benzoic acid, 3-(chlorosulfonyl)-, methyl ester (CAS 63555-50-0) https://chemicalindependence.com/chemical/63555-50-0/ EPA TSCA Inventory: CAS 63555-50-0. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory