4-Acetoxy-MET
4-Acetoxy-MET (4-Acetoxy-N-methyl-N-ethyltryptamine), also known as metacetin or 4-AcO-MET, is a hallucinogenic tryptamine. It is the acetate ester of 4-HO-MET, and a homologue of 4-AcO-DMT. It is a novel compound with very little history of human use. It is sometimes sold as a research chemical by online retailers.
![]()  | |
| Names | |
|---|---|
| Preferred IUPAC name
 3-{2-[Ethyl(methyl)amino]ethyl}-1H-indol-4-yl acetate  | |
| Other names
 4-Acetoxy-MET; Metacetin; 4-Acetoxy-N-methyl-N-ethyltryptamine  | |
| Identifiers | |
3D model (JSmol)  | 
|
| ChemSpider | |
PubChem CID  | 
|
| UNII | |
  | |
  | |
| Properties | |
| C15H20N2O2 | |
| Molar mass | 260.337 g·mol−1 | 
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). 
Infobox references  | |
It is expected that the compound is quickly hydrolyzed into the free phenolic 4-HO-MET by serum esterases, but human studies concerning the metabolic fate of this drug are lacking.
Legality
    
4-Acetoxy-MET is unscheduled in the United States. It may be considered an analogue of Psilocin, a Schedule I drug under the Controlled Substances Act. As such, the sale for human consumption or the use for illicit non-medical purposes could be considered a crime under the Federal Analogue Act
4-Acetoxy-MET is a controlled substance in Switzerland under Verzeichnis E [1]
4-Acetoxy-MET is a Class A drug in the UK because it is an ester of the drug 4-HO-MET, which is a Class A drug under the tryptamine catch-all clause[2]
References
    
- "Fedlex". www.fedlex.admin.ch. Retrieved 2021-08-15.
 - "Misuse of Drugs Act 1971". 2021-08-15. Archived from the original on 2012-11-11.
 
