Benzenesulfonanilide

CAS 1678-25-7

Benzenesulfonamide, N-phenyl-

Molecular structure of 1678-25-7
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.

Vendor Pricing

$0.70/gAaron Chemicals LLC
CountryHong Kong
Pack$351.00 / 500 g
Purity97%
Vendors23 available

Prices reflect listed pack sizes. Small research packs run far above bulk rates.

Chemical Identity

CAS1678-25-7
PubChem CIDNot recorded
DTXSIDDTXSID00168371
FormulaC12H11NO2S
Mol. Weight233.29 g/mol
SMILESO=S(=O)(NC1=CC=CC=C1)C1=CC=CC=C1

Data Sources

Brief citations

Benzenesulfonanilide (CAS 1678-25-7) https://chemicalindependence.com/chemical/1678-25-7/ EPA TSCA Inventory: CAS 1678-25-7. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 293590 for CAS 1678-25-7. Reporting year: 2024. https://usatrade.census.gov/