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  • 2-(1H-Indol-3-yl)-N-methylethan-1-amine
CAS Number
PubChem CID
CompTox Dashboard (EPA)
ECHA InfoCard100.000.462 Edit this at Wikidata
Chemical and physical data
Molar mass174.247 g·mol−1
3D model (JSmol)
Melting point87 to 89 °C (189 to 192 °F)
  • CNCCc1c[nH]c2ccccc12
  • InChI=1S/C11H14N2/c1-12-7-6-9-8-13-11-5-3-2-4-10(9)11/h2-5,8,12-13H,6-7H2,1H3 checkY
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N-Methyltryptamine (NMT) is a member of the substituted tryptamine chemical class and a natural product which is biosynthesized in the human body from tryptamine by certain N-methyltransferase enzymes, such as indolethylamine N-methyltransferase.[1][2] It is a common component in human urine.[3] NMT is an alkaloid derived from L-tryptophan that has been found in the bark, shoots and leaves of several plant genera, including Virola, Acacia, Mimosa, and Desmanthus—often together with the related compounds N,N-dimethyltryptamine (DMT) and 5-methoxy-N,N-dimethyltryptamine (5-MeO-DMT).[citation needed]

Orally administered NMT appears to produce no psychoactive effects, likely as a result of extensive first-pass metabolism.[4] However, it may become active upon combination with a MAOA inhibitor (MAOI).[4] By vaporization NMT shows activity at 50–100 mg, with a duration of 45–70 minutes; duration of visual effects 15–30 seconds. Effects are primarily non-visual.[5][6]


In the United States N-Methyltryptamine is considered a schedule 1 controlled substance as an positional isomer of Alpha-methyltryptamine (AMT) [7]

See also[edit]


  1. ^ Lindemann L, Hoener MC (May 2005). "A renaissance in trace amines inspired by a novel GPCR family". Trends in Pharmacological Sciences. 26 (5): 274–281. doi:10.1016/j.tips.2005.03.007. PMID 15860375.
  2. ^ Burchett SA, Hicks TP (August 2006). "The mysterious trace amines: protean neuromodulators of synaptic transmission in mammalian brain". Progress in Neurobiology. 79 (5–6): 223–246. doi:10.1016/j.pneurobio.2006.07.003. PMID 16962229. S2CID 10272684.
  3. ^ Forsström T, Tuominen J, Karkkäinen J (2001). "Determination of potentially hallucinogenic N-dimethylated indoleamines in human urine by HPLC/ESI-MS-MS". Scandinavian Journal of Clinical and Laboratory Investigation. 61 (7): 547–56. doi:10.1080/003655101753218319. PMID 11763413. S2CID 218987277.
  4. ^ a b Foye WO, Lemke TL, Williams DA (2002). "Hallucinogens, Stimulatants, and Drugs of Abuse". Foye's Principles of Medicinal Chemistry (5th ed.). p. 439. ISBN 9780683307375.
  5. ^ Shulgin A, Shulgin A (1997). TIKHAL. Berkeley: Transform Press.
  6. ^ Nen - lecture presented EGA conference, Victoria, Australia 4/12/2011; and Breaking Conventions, London 12/7/2013.
  7. ^ "Orange Book - List of Controlled Substances and Regulated Chemicals" (PDF). U.S. Department of Justice Diversion Control Division. August 2023. Archived (PDF) from the original on September 6, 2023.

External links[edit]