Dichlorphenamide

Drug ingredient

CAS 120-97-8

This chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.

Molecular structure of 120-97-8
US productionNot reported
Import value, 2024$2.0B
Top sourceIreland 63%

This chemical is not on EPA’s Toxic Substances Control Act inventory, the list behind EPA’s production survey.

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
7 FDA-registered drug labelers
Aurobindo Pharma Limited
Biophore India Pharmaceuticals Pvt. Ltd
Cycle Pharmaceuticals Ltd.
NURAY CHEMICALS PRIVATE LIMITED
Rising Pharma Holdings, Inc.
Torrent pharmaceuticals limited
Xeris Pharmaceuticals, Inc.

Why It Matters

Sectors
Health
Downstream Uses

Appears in 3 drug and cosmetic product listings (FDA).

  • •Dichlorphenamide
  • •Keveyis
  • •Ormalvi
FDA Shortage Status
No FDA shortage records

Vendor Pricing

$286.00/gAaron Chemicals LLC
CountryHong Kong
Pack$286.00 / 1 g
Purity95%
Vendors25 available

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

Chemical Identity

CAS120-97-8
PubChem CID3038
DTXSIDDTXSID1022922
FormulaC6H6Cl2N2O4S2
Mol. Weight305.2 g/mol
SMILESC1=C(C=C(C(=C1S(=O)(=O)N)Cl)Cl)S(=O)(=O)N

Data Sources

Brief citations

Dichlorphenamide (CAS 120-97-8) https://chemicalindependence.com/chemical/120-97-8/ PubChem: 3038. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/3038 FDA National Drug Code directory: CAS 120-97-8. Retrieved 2026-04-25. https://open.fda.gov/data/ndc/ FDA National Drug Code directory: bulk match. Retrieved 2026-04-07. https://open.fda.gov/data/ndc/ US Census international trade: HS 293590 for CAS 120-97-8. Reporting year: 2024. https://usatrade.census.gov/