chloroauric acid

Drug ingredient

CAS 16903-35-8

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

US productionNot reported
Import value, 2024$2M
Top sourceGermany 46%

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 284330 · basket

These shares come from HS customs code 284330, which covers 16 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
DE 46%GermanyCO 32%ColombiaGB 12%United KingdomCH 3%SwitzerlandKR 3%South Korea
1 FDA-registered drug labeler
Herbamed AG

Why It Matters

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

Chemical Identity

CAS16903-35-8
PubChem CID122706823
DTXSIDDTXSID701014499
FormulaAuCl4H
Mol. Weight339.8 g/mol
SMILES[H+].[Cl-].[Cl-].[Cl-].[Cl-].[Au+3]

Data Sources

Brief citations

chloroauric acid (CAS 16903-35-8) https://chemicalindependence.com/chemical/16903-35-8/ PubChem: 122706823. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/122706823 EPA TSCA Inventory: CAS 16903-35-8. 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 284330 for CAS 16903-35-8. Reporting year: 2024. https://usatrade.census.gov/