Belzutifan

Drug ingredient

CAS 1672668-24-4

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

Molecular structure of 1672668-24-4
US productionNot reported
Import value, 2024$760M
Top sourceChina 33%

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 293090 · basket

These shares come from HS customs code 293090, which covers 418 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CN 33%ChinaES 14%SpainCH 9%SwitzerlandIT 7%ItalyIN 7%India
7 FDA-registered drug labelers
Apicore Pharmaceuticals private Limited
HETERO LABS LIMITED
Hovione FarmaCiencia SA
Merck Sharp & Dohme LLC
MSD International GmbH
MSN Laboratories Private Limited
VALARY LAB PRIVATE LIMITED

Why It Matters

Sectors
Health
Downstream Uses

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

  • •Welireg
FDA Shortage Status
No FDA shortage records

Chemical Identity

CAS1672668-24-4
PubChem CID117947097
DTXSIDDTXSID201334517
FormulaC17H12F3NO4S
Mol. Weight383.3 g/mol
SMILESCS(=O)(=O)C1=C2C(C(C(C2=C(C=C1)OC3=CC(=CC(=C3)C#N)F)F)F)O

Data Sources

Brief citations

Belzutifan (CAS 1672668-24-4) https://chemicalindependence.com/chemical/1672668-24-4/ PubChem: 117947097. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/117947097 FDA National Drug Code directory: CAS 1672668-24-4. 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/ US Census international trade: HS 293090 for CAS 1672668-24-4. Reporting year: 2024. https://usatrade.census.gov/