Clinical data
Routes of
ATC code none
Legal status
Legal status
CAS Number 3569-29-7 YesY
PubChem (CID) 28806639
ChemSpider 25392939 YesY
Chemical and physical data
Formula C12H16N2
Molar mass 188.27 g·mol−1
3D model (Jmol) Interactive image

4-Methyl-αMT (4-Me-αMT), also known as 4,α-dimethyltryptamine (4,α-DMT), and MP-809, is a drug belonging to the tryptamine class that was investigated as an antidepressant in the early 1960s but was never marketed.[1][2]

See also


  1. "THE EFFECT OF MP-809 IN DEPRESSIVE STATES: A MULTI-BLIND STUDY -- AZIMA et al. 119 (6): 573 -- Am J Psychiatry".
  2. Brodey, James F.; Steiner, Wm. G.; Himwich, Harold E. (1963). "An electrographic study of psilocin and 4-methyl-α'-methyl-tryptamine (MP-809 Sandoz)". Journal of Pharmacology and Experimental Therapeutics. 140: 8–18. PMID 14015664.
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