4-acetoxy-n,n-dimethyltryptamine (also known as 4-aco-dmt, 4-acetoxy-dmt, o-acetylpsilocin, and psilacetin) is a novel psychedelic substance of the tryptamine class. 4-aco-dmt is chemically similar to psilocybin, the active ingredient in psilocybin mushrooms (magic mushrooms). it belongs to a group known as the substituted tryptamines which act by stimulating serotonin receptors in the brain.
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4-AcO DMT | Tryptamines. 4-AcO-DMT | buy 4-AcO DMT online 



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4-AcO-DMT, aka O-acetylpsilocin, is a novel tryptamine discovered by Albert Hoffman in the 1950s. It is an O-acetate ester of psilocin. It is closely related to psilocin and psilocybin. It is essentially the same molecule as psilocybin, but the phosphate group is replaced with an acetate group. Both hydrolyze readily into psilocin, the centrally active compound which elicits psychedelic effects by binding to the serotonin receptors.


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Our batch of 4-AcO-DMT was confirmed to be authentic and near 100% purity in a paper published by the University of Massachusetts (Chadeayne et al.).

This product is NOT intended for human consumption, and is strictly for laboratory reagent or forensic analysis purposes ONLY. Available as the fumarate salt.

All prices are listed in Canadian dollars.


Chadeayne, Andrew R., et al. “Bis(4-Acetoxy-N,N-Dimethyltryptammonium) Fumarate: a New Crystalline Form of Psilacetin, an Alternative to Psilocybin as a Psilocin Prodrug.”


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