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3-(((2S,4S)-4-Sulfanylpyrrolidine-2-carbonyl)amino)benzoic acid hydrochloride

Drug ingredient

CAS 219909-83-8

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

Molecular structure of 219909-83-8
1 HCl
US productionNot reported
Import value, 2024$1.4B
Top sourceIreland 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 293399 · basket

These shares come from HS customs code 293399, which covers 518 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
IE 33%IrelandCN 26%ChinaIN 11%IndiaDE 9%GermanyIT 4%Italy
1 FDA-registered drug labeler
ZHEJIANG HUAHAI PHARMACEUTICAL CO., LTD.

Why It Matters

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

Chemical Identity

CAS219909-83-8
PubChem CID11630845
DTXSIDDTXSID90176420
FormulaC12H15ClN2O3S
Mol. Weight302.78 g/mol
SMILESC1C(CNC1C(=O)NC2=CC=CC(=C2)C(=O)O)S.Cl

Data Sources

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Brief citations

3-(((2S,4S)-4-Sulfanylpyrrolidine-2-carbonyl)amino)benzoic acid hydrochloride (CAS 219909-83-8) https://chemicalindependence.com/chemical/219909-83-8/ PubChem: 11630845. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/11630845 FDA National Drug Code directory: CAS 219909-83-8. 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 293399 for CAS 219909-83-8. Reporting year: 2024. https://usatrade.census.gov/