Sulfonium, triphenyl-, 1,1,1-trifluoromethanesulfonate (1:1)
CAS 66003-78-9
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
$5.22/gAngene Chemical
CountryChina (registered: Hong Kong)
Pack$522.00 / 100 g
Purity98%
Vendors15 available
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
14 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 |
|---|---|---|---|---|
| Aaron Chemicals LLC | Hong Kong | $5.45 | 100 g | 98% |
| Fluorochem EU | Germany | $9.73 | 25 g | 98% |
| A2B Chem LLC | United States | $24.32 | 25 g | 98% |
| Combi-Blocks, Inc. | United States | $27.00 | 25 g | 98% |
| Chemscene | United States | $29.68 | 25 g | — |
| BLD Pharmatech Co., Limited | United States | $30.36 | 25 g | 98% |
| BLD Pharmatech GmbH | Germany | $30.36 | 25 g | 98% |
| BLD Pharmatech Ltd. | China | $30.36 | 25 g | 98% |
| Ambeed, Inc. | United States | $30.36 | 25 g | 98% |
| AA BLOCKS | United States | $31.88 | 25 g | 98% |
| Sigma-Aldrich (Rush Stock) | Germany | $128.96 | 5 g | — |
| Sigma-Aldrich | Germany | $128.96 | 5 g | — |
| AstaTech (2 weeks) | United States | $348.00 | 250 mg | 95% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 98% |
Chemical Identity
CAS66003-78-9
PubChem CIDNot recorded
DTXSIDDTXSID60886569
FormulaC19H15F3O3S2
Mol. Weight412.44 g/mol
SMILES[O-]S(=O)(=O)C(F)(F)F.C1=CC=C(C=C1)[S+](C1=CC=CC=C1)C1=CC=CC=C1
Data Sources
- EPA TSCA InventoryRetrieved 2026-10-04
Brief citations
Sulfonium, triphenyl-, 1,1,1-trifluoromethanesulfonate (1:1) (CAS 66003-78-9) https://chemicalindependence.com/chemical/66003-78-9/ EPA TSCA Inventory: CAS 66003-78-9. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory