Flag of the United StatesAmerican Chemical Independence

acamprosate calcium

Drug ingredient

CAS 77337-73-6

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

Molecular structure of 77337-73-6
1 Ca²⁺
US productionNot reported
Top sourceNo public record

This chemical is not on EPA’s Toxic Substances Control Act inventory, the list behind EPA’s production survey.

Why supply is unknown

Where It Comes From

EPA and Census publish no US supply data for this chemical.

11 FDA-registered drug labelers
American Health Packaging
Angelini Pharma Italia Aziende Chimiche Riunite Angelini Francesco A.C.R.A.F. Spa
Bionpharma Inc.,
Glenmark Pharmaceuticals Inc., USA
Major Pharmaceuticals
Mylan Pharmaceuticals Inc.
NCS HealthCare of KY, LLC dba Vangard Labs
Olon SpA
Synthimed Labs Private Limited
Zydus Lifesciences Limited
Zydus Pharmaceuticals (USA) Inc.

Why It Matters

Sectors
Health
Downstream Uses

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

  • •acamprosate calcium
FDA Shortage Status
No FDA shortage records

Vendor Pricing

$115.00/gA2B Chem LLC
CountryUnited States
Pack$115.00 / 1 g
Purity98%
Vendors19 available

Prices reflect listed pack sizes. Small research packs run far above bulk rates.

18 more vendors
VendorCountry$/gPackPurity
AA BLOCKSUnited States$123.001 g98%
Combi-Blocks, Inc.United States$180.001 g98%
AK Scientific, Inc.United States$244.00250 mg98%
Aaron Chemicals LLCHong Kong$356.00250 mg97%
Angene ChemicalChina → Hong Kong$396.00250 mg97%
Cayman EuropeEstonia$405.791 g98%
MolnovaChina$480.00200 mg99%
Angene International LimitedUnited States$516.00250 mg98%
AstaTech (2 weeks)United States$542.001 g98%
BLD Pharmatech Co., LimitedUnited States$570.00100 mg97%
Ambeed, Inc.United States$570.00100 mg97%
BLD Pharmatech Ltd.China$640.00100 mg97%
MedKoo Biosciences, IncUnited States$650.001 g98%
TargetMol ChemicalsChina → United States$800.0050 mg99.93%
Apexbio Technology LLCUnited States$1040.0050 mg99.78%
Sigma-Aldrich (Rush Stock)Germany$2610.40200 mg—
Sigma-AldrichGermany$2610.40200 mg—
Key Organics Ltd.United Kingdom$6900.0010 mg97%

Chemical Identity

CAS77337-73-6
PubChem CID155434
DTXSIDDTXSID6047529
FormulaC10H20CaN2O8S2
Mol. Weight400.5 g/mol
SMILESCC(=O)NCCCS(=O)(=O)[O-].CC(=O)NCCCS(=O)(=O)[O-].[Ca+2]

Data Sources

← Back to Dashboard← Back to Health

Brief citations

acamprosate calcium (CAS 77337-73-6) https://chemicalindependence.com/chemical/77337-73-6/ PubChem: 155434. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/155434 FDA National Drug Code directory: CAS 77337-73-6. 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/