4-acetoxy-mipt 4-acetoxy-mipt 4-aco-mipt (4-acetoxy-n-methyl-n-isopropyltryptamine or mipracetin) is a psychedelic tryptamine. it is closely related to o-acetylpsilocin and mipt. 4-acetoxy-mipt names preferred iupac name 3--1h-indol-4-yl acetate other names mipracetin identifiers cas number 1024612-25-6 n 3d model (jsmol) interactive image chemspider 23976075 y pubchem cid 46783587 unii ss93imv779 n comptox dashboard (epa) dtxsid70676236 inchi inchi=1s/c16h22n2o2/c1-11(2)18(4)9-8-13-10-17-14-6-5-7-15(16(13)14)20-12(3)19/h5-7,10-11,17h,8-9h2,1-4h3 ykey: cidmxlovfpihds-uhfffaoysa-n yinchi=1/c16h22n2o2/c1-11(2)18(4)9-8-13-10-17-14-6-5-7-15(16(13)14)20-12(3)19/h5-7,10-11,17h,8-9h2,1-4h3key: cidmxlovfpihds-uhfffaoyap smiles cc(n(ccc1=cnc2=c1c(oc(c)=o)=cc=c2)c)c properties chemical formula c16h22n2o2 molar mass 274.364 g·mol−1 except where otherwise noted, data are given for materials in their standard state (at 25 °c , 100 kpa). n verify (what is yn ?) infobox references there is very little information on the human pharmacology or toxicity of 4-aco-mipt, although analytical methods have been developed for its detection. drug prohibition laws sweden sveriges riksdags health ministry statens folkhälsoinstitut classified 4-aco-mipt as "health hazard" under the act lagen om förbud mot vissa hälsofarliga varor (translated act on the prohibition of certain goods dangerous to health) as of nov 1, 2005, in their regulation sfs 2005:733 listed as 4-acetoxi-n,n-metylisopropyltryptamin (4-aco-mipt), making it illegal to sell or possess.