CAS Number 4765-10-0
ChemSpider 21106244 YesY
Chemical and physical data
Formula C13H18N2O
Molar mass 218.30 g/mol
3D model (Jmol) Interactive image
Melting point 201 to 203 °C (394 to 397 °F)

5-Methoxy-alpha-ethyltryptamine (5-MeO-α-ET) is a psychoactive drug and member of the tryptamine chemical class. It produces psychedelic, entactogenic, and stimulant effects.


5-MeO-α-ET, when used recreationally, is usually taken orally at dosages of 50–75 mg.


5-MeO-α-ET produces entactogenic and stimulant effects that can last 4–6 hours. However, little information exists on the psychopharmacological effects of this compound, thus considerable variation with regard to dosage and effects can be expected.


There have been no reported deaths or hospitalizations from 5-MeO-α-ET, but its safety profile is unknown.


5-MeO-α-ET is unscheduled and uncontrolled in the United States, but possession and sales of 5-MeO-α-ET could be prosecuted under the Federal Analog Act because of its structural similarities to α-ET and α-MT.

See also


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