Acamprosate

Drug ingredient

CAS 77337-76-9

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

Molecular structure of 77337-76-9
US productionNot reported
Import value, 2024$371M
Top sourceChina 27%

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 292419 · basket

These shares come from HS customs code 292419, which covers 211 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CN 27%ChinaIN 18%IndiaDE 14%GermanyIT 10%ItalyGB 6%United Kingdom
1 FDA-registered drug labeler
Emcure Pharmaceuticals Limited

Why It Matters

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

Chemical Identity

CAS77337-76-9
PubChem CID71158
DTXSIDDTXSID3044259
FormulaC5H11NO4S
Mol. Weight181.21 g/mol
SMILESCC(=O)NCCCS(=O)(=O)O

Data Sources

Brief citations

Acamprosate (CAS 77337-76-9) https://chemicalindependence.com/chemical/77337-76-9/ PubChem: 71158. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/71158 FDA National Drug Code directory: CAS 77337-76-9. 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 292419 for CAS 77337-76-9. Reporting year: 2024. https://usatrade.census.gov/