sodium iodide i-131
Drug ingredientCAS 7790-26-3
This chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.
This chemical is listed as active in US commerce, but no company reported it to EPA’s survey for 2019 or 2023. Sites may have made or imported less than the threshold amount, or none.
Why supply is unknownProduction 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 284443 · basket
These shares come from HS customs code 284443, which covers 14 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.
- Australia
- Finland
- United Kingdom
- Norway
- Uzbekistan
- Switzerland
- Israel
- Brazil
- Poland
- Kazakhstan
- Libya
- Japan
- China
- Denmark
- Spain
- Hungary
- United Arab Emirates
- Singapore
- Oman
- Colombia
3 FDA-registered drug labelers
Why It Matters
Appears in 2 drug and cosmetic product listings (FDA).
- •Hicon
- •Sodium Iodide I 131 Diagnostic
Chemical Identity
Data Sources
- PubChem · compound 71368Retrieved 2026-04-07
- EPA TSCA InventoryRetrieved 2026-04-24
- FDA National Drug Code directoryRetrieved 2026-04-07
- US Census international tradeReporting year: 2024 · Retrieved 2026-10-04
Brief citations
sodium iodide i-131 (CAS 7790-26-3) https://chemicalindependence.com/chemical/7790-26-3/ PubChem: 71368. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/71368 EPA TSCA Inventory: CAS 7790-26-3. Retrieved 2026-04-24. https://www.epa.gov/tsca-inventory FDA National Drug Code directory: bulk match. Retrieved 2026-04-07. https://open.fda.gov/data/ndc/ US Census international trade: HS 284443 for CAS 7790-26-3. Reporting year: 2024. https://usatrade.census.gov/