Chrysarobin

Drug ingredient

CAS 491-59-8

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

Molecular structure of 491-59-8
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.

1 FDA-registered drug labeler
Apotheca Company

Why It Matters

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

Chemical Identity

CAS491-59-8
PubChem CID10288
DTXSIDDTXSID1048671
FormulaC15H12O3
Mol. Weight240.25 g/mol
SMILESCC1=CC2=C(C(=C1)O)C(=C3C(=C2)C=CC=C3O)O

Data Sources

Brief citations

Chrysarobin (CAS 491-59-8) https://chemicalindependence.com/chemical/491-59-8/ PubChem: 10288. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/10288 FDA National Drug Code directory: CAS 491-59-8. 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/