4-HO-MeT, also known as 4-hydroxy-N-methyl-N-ethyltryptamine, is a research chemical, belongs to the group of synthetic tryptamine compounds and has psychedelic effects similar to other tryptamines, an active substance in certain mushrooms. It binds to serotonin receptors in the brain, especially the 5-HT2A receptor, causing altered states of consciousness, perception, and mood. Synonyms : 4-hydroxy-N-methyl-N-ethyltryptamine; metocin; 3-{2-[ethyl(methyl)amino]ethyl}-1H-indol-4-ol CAS Number : 77872-41-4 Formula : C13H18N2O Mole mass : 218.3 g/mol Purity : ≥98%