erbium sulfate octahydrate

Drug ingredient

CAS 10031-52-4

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

Molecular structure of 10031-52-4
8 H₂O · 2 Er³⁺
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
Hahnemann Laboratories, INC.

Why It Matters

Sectors
Health
Downstream Uses

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

  • •Erbium Sulphuricum
FDA Shortage Status
No FDA shortage records

Chemical Identity

CAS10031-52-4
PubChem CID25021617
DTXSIDDTXSID40648465
FormulaEr2H16O20S3
Mol. Weight766.8 g/mol
SMILESO.O.O.O.O.O.O.O.[O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-].[Er+3].[Er+3]

Data Sources

Brief citations

erbium sulfate octahydrate (CAS 10031-52-4) https://chemicalindependence.com/chemical/10031-52-4/ PubChem: 25021617. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/25021617 FDA National Drug Code directory: CAS 10031-52-4. 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/