melarsomine dihydrochloride

Drug ingredient

CAS 89141-50-4

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

Molecular structure of 89141-50-4
2 HCl
US productionNot reported
Top sourceNo public record

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

Why supply is unknown

Where It Comes From

EPA and Census publish no US supply data for this chemical.

2 FDA-registered drug labelers
Loba biotech GmbH
Sentio BioSciences LLC

Why It Matters

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

Chemical Identity

CAS89141-50-4
PubChem CID123720
DTXSIDDTXSID90237545
FormulaC13H23AsCl2N8S2
Mol. Weight501.3 g/mol
SMILESC1=CC(=CC=C1NC2=NC(=NC(=N2)N)N)[As](SCCN)SCCN.Cl.Cl

Data Sources

Brief citations

melarsomine dihydrochloride (CAS 89141-50-4) https://chemicalindependence.com/chemical/89141-50-4/ PubChem: 123720. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/123720 FDA National Drug Code directory: CAS 89141-50-4. 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/