Lysine monohydrate

Drug ingredient

CAS 39665-12-8

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

Molecular structure of 39665-12-8
1 H₂O
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.

2 FDA-registered drug labelers
Evonik Rexim S.A.S
Spectrum Laboratory Products, Inc.

Why It Matters

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

Chemical Identity

CAS39665-12-8
PubChem CID16211825
DTXSIDDTXSID70192769
FormulaC6H16N2O3
Mol. Weight164.2 g/mol
SMILESC(CCN)CC(C(=O)O)N.O

Data Sources

Brief citations

Lysine monohydrate (CAS 39665-12-8) https://chemicalindependence.com/chemical/39665-12-8/ PubChem: 16211825. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/16211825 FDA National Drug Code directory: CAS 39665-12-8. 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/