Clinical data
ATC code none
Legal status
Legal status
  • Uncontrolled
Pharmacokinetic data
Biological half-life ~12 hours
CAS Number 29443-41-2
PubChem (CID) 10103216
ChemSpider 8278744
Chemical and physical data
Formula C8H10N2
Molar mass 134.18 g/mol
3D model (Jmol) Interactive image

Phenylethylidenehydrazine (PEH), also known as 2-phenylethylhydrazone or β-phenylethylidenehydrazine, is an inhibitor of the enzyme GABA transaminase (GABA-T).[1][2] It is a metabolite of the antidepressant phenelzine and is responsible for its elevation of GABA concentrations.[1] PEH may contribute to phenelzine's anxiolytic effects.

See also


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