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Nelfinavir mesylate

Drug ingredient

CAS 159989-65-8

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

Molecular structure of 159989-65-8
US productionNot reported
Import value, 2024$111M
Top sourceIndia 28%

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 293349 · basket

These shares come from HS customs code 293349, which covers 94 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
IN 28%IndiaCN 27%ChinaSE 12%SwedenKR 10%South KoreaGB 4%United Kingdom
1 FDA-registered drug labeler
AGOURON

Why It Matters

Sectors
Health
Downstream Uses

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

  • •Viracept
FDA Shortage Status
No FDA shortage records

Chemical Identity

CAS159989-65-8
PubChem CID64142
DTXSIDDTXSID2033736
FormulaC33H49N3O7S2
Mol. Weight663.9 g/mol
SMILESCC1=C(C=CC=C1O)C(=O)NC(CSC2=CC=CC=C2)C(CN3CC4CCCCC4CC3C(=O)NC(C)(C)C)O.CS(=O)(=O)O

Data Sources

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Brief citations

Nelfinavir mesylate (CAS 159989-65-8) https://chemicalindependence.com/chemical/159989-65-8/ PubChem: 64142. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/64142 FDA National Drug Code directory: CAS 159989-65-8. 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 293349 for CAS 159989-65-8. Reporting year: 2024. https://usatrade.census.gov/