gadolinium oxide

Drug ingredient

CAS 11129-31-0

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

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
Energique, Inc.

Why It Matters

Sectors
Health
Downstream Uses

Appears in 1 drug and cosmetic product listings (FDA).

  • •Metalstat
FDA Shortage Status
No FDA shortage records

Chemical Identity

CAS11129-31-0
PubChem CID159427
DTXSIDDTXSID00912093
FormulaGd2O3
Mol. Weight362.5 g/mol
SMILES[O-2].[O-2].[O-2].[Gd+3].[Gd+3]

Data Sources

Brief citations

gadolinium oxide (CAS 11129-31-0) https://chemicalindependence.com/chemical/11129-31-0/ PubChem: 159427. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/159427 FDA National Drug Code directory: CAS 11129-31-0. 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/