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Atrasentan hydrochloride

Drug ingredient

CAS 195733-43-8

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

Molecular structure of 195733-43-8
1 HCl
US productionNot reported
Import value, 2024$6.4B
Top sourceSingapore 36%

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 293499 · basket

These shares come from HS customs code 293499, which covers 575 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
SG 36%SingaporeIE 23%IrelandCN 11%ChinaCH 6%SwitzerlandIN 5%India
1 FDA-registered drug labeler
Novartis Pharmaceuticals Corporation

Why It Matters

Sectors
Health
Downstream Uses

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

  • •Vanrafia
FDA Shortage Status
No FDA shortage records

Chemical Identity

CAS195733-43-8
PubChem CID159595
DTXSIDDTXSID20173240
FormulaC29H39ClN2O6
Mol. Weight547.1 g/mol
SMILESCCCCN(CCCC)C(=O)CN1CC(C(C1C2=CC=C(C=C2)OC)C(=O)O)C3=CC4=C(C=C3)OCO4.Cl

Data Sources

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Brief citations

Atrasentan hydrochloride (CAS 195733-43-8) https://chemicalindependence.com/chemical/195733-43-8/ PubChem: 159595. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/159595 FDA National Drug Code directory: CAS 195733-43-8. 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 293499 for CAS 195733-43-8. Reporting year: 2024. https://usatrade.census.gov/