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Pyrantel tartrate

Drug ingredient

CAS 33401-94-4

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

Molecular structure of 33401-94-4
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
2 FDA-registered drug labelers
MINSHENG GROUP SHAOXING PHARMACEUTICAL CO,. LTD.
UQUIFA Mexico, S.A. DE C.V.

Why It Matters

Sectors
Health
Downstream UsesNot recorded
FDA Shortage Status
No FDA shortage records

Chemical Identity

CAS33401-94-4
PubChem CID6434144
DTXSIDDTXSID4048858
FormulaC15H20N2O6S
Mol. Weight356.4 g/mol
SMILESCN1CCCN=C1C=CC2=CC=CS2.C(C(C(=O)O)O)(C(=O)O)O

Data Sources

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Brief citations

Pyrantel tartrate (CAS 33401-94-4) https://chemicalindependence.com/chemical/33401-94-4/ PubChem: 6434144. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/6434144 FDA National Drug Code directory: CAS 33401-94-4. 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 293499 for CAS 33401-94-4. Reporting year: 2024. https://usatrade.census.gov/