Esketamine hydrochloride

Drug ingredient

CAS 33643-47-9

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

Molecular structure of 33643-47-9
1 HCl
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.

7 FDA-registered drug labelers
Arevipharma GmbH
CU Chemie Uetikon GmbH
Janssen Pharmaceuticals Inc.
Janssen Pharmaceuticals Sciences Unlimited Company
Maithri Drugs Private Limited
Nortec Quimica SA
Supriya Lifescience Limited

Why It Matters

Sectors
Health
Downstream Uses

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

  • •Spravato
FDA Shortage Status
No FDA shortage records

Chemical Identity

CAS33643-47-9
PubChem CID44632368
DTXSIDDTXSID601027734
FormulaC13H17Cl2NO
Mol. Weight274.18 g/mol
SMILESCNC1(CCCCC1=O)C2=CC=CC=C2Cl.Cl

Data Sources

Brief citations

Esketamine hydrochloride (CAS 33643-47-9) https://chemicalindependence.com/chemical/33643-47-9/ PubChem: 44632368. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/44632368 FDA National Drug Code directory: CAS 33643-47-9. 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/