4-meo-dmt 4-meo-dmt 4-meo-dmt (4-methoxy-n,n-dimethyltryptamine) is a tryptamine derivative which has some central activity in animal tests similar to that of related psychedelic tryptamine drugs, although with significantly lower potency than either 5-meo-dmt or 4-hydroxy-dmt (psilocin). 4-meo-dmtidentifiers iupac name 2-(4-methoxy-1h-indol-3-yl)-n,n-dimethylethanamine cas number3965-97-7 ypubchem cid12017578chemspider23126449 yuniix4nbi2f334chemblchembl32029 ycomptox dashboard (epa)dtxsid20475892 chemical and physical dataformulac13h18n2omolar mass218.300 g·mol−13d model (jsmol)interactive image smiles cn(c)ccc1=cnc2=cc=cc(oc)=c21 inchi inchi=1s/c13h18n2o/c1-15(2)8-7-10-9-14-11-5-4-6-12(16-3)13(10)11/h4-6,9,14h,7-8h2,1-3h3 ykey:hfyhbtwtjdaygw-uhfffaoysa-n y ny (what is this?) (verify) legality in the united states 4-meo-dmt is a schedule 1 controlled substance as a positional isomer of 5-meo-dmt.