Clinical data
Routes of
ATC code none
Legal status
Legal status
  • Uncontrolled
CAS Number 3734-26-7
PubChem (CID) 19516
ChemSpider 18390
Chemical and physical data
Formula C10H16N2
Molar mass 164.25 g/mol

Metfendrazine (HM-11, MO-482), also known as methphendrazine, is an irreversible and nonselective monoamine oxidase inhibitor (MAOI) of the hydrazine chemical class.[1][2] It was investigated as an antidepressant, but was never marketed.

See also


  1. Miquel, J.; Mijan, C. D. (1962). "Metfendrazine, a new inhibitor of monoamine oxidase". Arch. Inst. Farmacol. Exp. (Madrid). 14: 47–59.
  2. Kothari NJ, Saunders JC, Kline NS, Griffen JA (October 1960). "A comparison of perphenazine, proketazine, nialamide and MO-482 in chronic schizophrenics". The American Journal of Psychiatry. 117: 358–60. PMID 13753478.

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