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Hetacillin potassium

Drug ingredient

CAS 5321-32-4

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

Molecular structure of 5321-32-4
1 K⁺
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
Fresenius Kabi iPSUM S.r.l.

Why It Matters

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

Chemical Identity

CAS5321-32-4
PubChem CID23678597
DTXSIDDTXSID0045830
FormulaC19H22KN3O4S
Mol. Weight427.6 g/mol
SMILESCC1(C(N2C(S1)C(C2=O)N3C(=O)C(NC3(C)C)C4=CC=CC=C4)C(=O)[O-])C.[K+]

Data Sources

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Brief citations

Hetacillin potassium (CAS 5321-32-4) https://chemicalindependence.com/chemical/5321-32-4/ PubChem: 23678597. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/23678597 FDA National Drug Code directory: CAS 5321-32-4. 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 5321-32-4. Reporting year: 2024. https://usatrade.census.gov/