Esketamine

CAS 33643-46-8 6 FDA-DMF suppliersSmall Molecule

Overview

Esketamine is a small molecule active pharmaceutical ingredient (ChEMBL CHEMBL395091).

API suppliers (5)

Suppliers of Esketamine backed by a verifiable FDA Type II Drug Master File. Source: FDA quarterly DMF list.

  • CU CHEMIE UETIKON GMBHGermany1 active DMF
  • CU CHEMIE UETIKON GMBHGermany1 active DMF
  • CU CHEMIE UETIKON GMBHGermany1 active DMF
  • CU CHEMIE UETIKON GMBHGermany1 active DMF
  • CU CHEMIE UETIKON GMBHGermany1 active DMF

Patent & exclusivity (US)

Per the FDA Orange Book (1 approved US product), the latest listed US patent on Esketamine expires 18 Feb 2040 and exclusivity 17 Jan 2028. Generic API sourcing typically opens up once these lapse.

Chemical identity

IUPAC name
(2S)-2-(2-chlorophenyl)-2-(methylamino)cyclohexan-1-one
Canonical SMILES
CN[C@@]1(CCCCC1=O)C2=CC=CC=C2Cl
InChIKey
YQEZLKZALYSWHR-ZDUSSCGKSA-N

Ready to Accelerate Your
Discovery Workflow?

Find, vet, and source drug-manufacturing partners faster — with FDA compliance screening built in. Start free for 14 days.