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4-Methyl-N-[[[3-[[(4-methylphenyl)sulfonyl]oxy]phenyl]amino]carbonyl]benzenesulfonamide

CAS 232938-43-1

Benzenesulfonamide, 4-methyl-N-[[[3-[[(4-methylphenyl)sulfonyl]oxy]phenyl]amino]carbonyl]-

Molecular structure of 232938-43-1
US productionNot reported
Import value, 2024$2.0B
Top sourceIreland 63%

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

Production is reported production, not a complete census of factories. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 293590 · basket

These shares come from HS customs code 293590, which covers 182 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
IE 63%IrelandSG 14%SingaporeIN 7%IndiaCN 7%ChinaCH 2%Switzerland

Why It Matters

No EPA sector or FDA product records name a use for this chemical.

Chemical Identity

CAS232938-43-1
PubChem CIDNot recorded
DTXSIDDTXSID90872910
FormulaC21H20N2O6S2
Mol. Weight460.52 g/mol
SMILESCC1=CC=C(C=C1)S(=O)(=O)NC(=O)NC1=CC=CC(OS(=O)(=O)C2=CC=C(C)C=C2)=C1

Data Sources

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Brief citations

4-Methyl-N-[[[3-[[(4-methylphenyl)sulfonyl]oxy]phenyl]amino]carbonyl]benzenesulfonamide (CAS 232938-43-1) https://chemicalindependence.com/chemical/232938-43-1/ EPA TSCA Inventory: CAS 232938-43-1. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 293590 for CAS 232938-43-1. Reporting year: 2024. https://usatrade.census.gov/