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Benzenesulfonyl fluoride, 3-(chlorosulfonyl)-4-methoxy-

CAS 97903-70-3

EPA and Census publish no US supply data for this chemical.

Molecular structure of 97903-70-3
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 unknown

Where 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.

Chemical Identity

CAS97903-70-3
PubChem CIDNot recorded
DTXSIDDTXSID0072988
FormulaC7H6ClFO5S2
Mol. Weight288.69 g/mol
SMILESCOC1=C(C=C(C=C1)S(F)(=O)=O)S(Cl)(=O)=O

Data Sources

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Brief citations

Benzenesulfonyl fluoride, 3-(chlorosulfonyl)-4-methoxy- (CAS 97903-70-3) https://chemicalindependence.com/chemical/97903-70-3/ EPA TSCA Inventory: CAS 97903-70-3. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory