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Ferric maltol

Drug ingredient

CAS 33725-54-1

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

Molecular structure of 33725-54-1
1 Fe³⁺
US productionNot reported
Import value, 2024$3.5B
Top sourceIreland 57%

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

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 293299 · basket

These shares come from HS customs code 293299, which covers 229 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
IE 57%IrelandNL 24%NetherlandsCH 8%SwitzerlandCN 5%ChinaIT 2%Italy
4 FDA-registered drug labelers
Apicore Pharmaceuticals Private Limited
Cambrex Charles City, Inc.
Shield TX (UK) Ltd
Sterling Pharma Solutions Limited

Why It Matters

Sectors
Health
Downstream Uses

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

  • •Accrufer
FDA Shortage Status
No FDA shortage records

Chemical Identity

CAS33725-54-1
PubChem CID169535
DTXSIDDTXSID10955335
FormulaC18H15FeO9
Mol. Weight431.2 g/mol
SMILESCC1=C(C(=O)C=CO1)[O-].CC1=C(C(=O)C=CO1)[O-].CC1=C(C(=O)C=CO1)[O-].[Fe+3]

Data Sources

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Brief citations

Ferric maltol (CAS 33725-54-1) https://chemicalindependence.com/chemical/33725-54-1/ PubChem: 169535. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/169535 FDA National Drug Code directory: CAS 33725-54-1. 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/ US Census international trade: HS 293299 for CAS 33725-54-1. Reporting year: 2024. https://usatrade.census.gov/