Domiphen bromide

Drug ingredient

CAS 538-71-6

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

Molecular structure of 538-71-6
1 Br⁻
US productionNot reported
Import value, 2024$108M
Top sourceChina 14%

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 292390 · basket

These shares come from HS customs code 292390, which covers 130 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CN 14%ChinaGB 13%United KingdomDE 11%GermanyIN 10%IndiaTW 10%Taiwan
2 FDA-registered drug labelers
Chemische Fabrik Berg GmbH
PMC Isochem

Why It Matters

Sectors
Health
Downstream UsesNot recorded
FDA Shortage Status
No FDA shortage records

Vendor Pricing

$0.16/gA2B Chem LLC
CountryUnited States
Pack$79.00 / 500 g
Purity97%
Vendors23 available

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

Chemical Identity

CAS538-71-6
PubChem CID10866
DTXSIDDTXSID5033468
FormulaC22H40BrNO
Mol. Weight414.5 g/mol
SMILESCCCCCCCCCCCC[N+](C)(C)CCOC1=CC=CC=C1.[Br-]

Data Sources

Brief citations

Domiphen bromide (CAS 538-71-6) https://chemicalindependence.com/chemical/538-71-6/ PubChem: 10866. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/10866 EPA TSCA Inventory: CAS 538-71-6. Retrieved 2026-04-24. https://www.epa.gov/tsca-inventory FDA National Drug Code directory: bulk match. Retrieved 2026-04-07. https://open.fda.gov/data/ndc/ US Census international trade: HS 292390 for CAS 538-71-6. Reporting year: 2024. https://usatrade.census.gov/