Amosite

Drug ingredient

CAS 12172-73-5

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

Molecular structure of 12172-73-5 — 7 Fe²⁺ · 2 OH⁻

US productionNot reported

Import value, 2024$485K

Top sourceChina 48%

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 252490, 681299 · narrow

These shares come from HS customs code 252490, 681299, which covers 2 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries

Country of origin for US imports, from Census customs data (2024).

CN 48%ChinaBR 24%BrazilJP 14%JapanIT 4%ItalyCA 2%Canada

Finland
Taiwan

1 FDA-registered drug labeler

Professional Complementary Health Formulas

Why It Matters

Sectors

Health

Downstream Uses

Appears in 2 drug and cosmetic product listings (FDA).

•Asbestox 6005
•Industrial Combination 9320

FDA Shortage Status

Whether any manufacturer currently reports this drug as in shortage on the FDA Drug Shortages database. "Active Shortage" means at least one presentation has status "current."

No FDA shortage records

Chemical Identity

CAS12172-73-5

PubChem CID131633415

DTXSIDDTXSID5030741

FormulaFe7H2O24Si8

Mol. Weight1001.6 g/mol

SMILES[OH-].[OH-].[O-][Si]([O-])([O-])O[Si](=O)O[Si]([O-])([O-])O[Si](=O)O[Si]([O-])([O-])O[Si]([O-])([O-])O[Si](=O)O[Si]([O-])([O-])[O-].[Fe+2].[Fe+2].[Fe+2].[Fe+2].[Fe+2].[Fe+2].[Fe+2]

Data Sources

PubChem · compound 131633415Retrieved 2026-04-07
FDA National Drug Code directoryRetrieved 2026-04-25
FDA National Drug Code directoryRetrieved 2026-04-07
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

Amosite (CAS 12172-73-5) https://chemicalindependence.com/chemical/12172-73-5/ PubChem: 131633415. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/131633415 FDA National Drug Code directory: CAS 12172-73-5. 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 252490,681299 for CAS 12172-73-5. Reporting year: 2024. https://usatrade.census.gov/