4,5-mdo-dmt 4,5-mdo-dmt 4,5-mdo-dmt, or 4,5-methylenedioxy-n,n-dimethyltryptamine, is a lesser-known psychedelic drug. it is the 4,5-methylenedioxy analog of dmt. 4,5-mdo-dmt was first synthesized by alexander shulgin, though in his book tihkal it was not tested to determine its psychoactive effects. 4,5-mdo-dmt has been the subject of limited subsequent testing; with behavioral disruption studies performed in male rats indicating that its hallucinogenic potency is less than that of 4,5-mdo-dipt but greater than that of 5,6-mdo-dipt. 4,5-mdo-dmt names preferred iupac name 2-(2h,6h-dioxoloindol-8-yl)-n,n-dimethylethan-1-amine other names 4,5-methylenedioxy-n,n-dimethyltryptamine identifiers cas number 81249-30-1 n 3d model (jsmol) interactive image chembl chembl28354 n chemspider 23126498 n pubchem cid 44278540 unii l83e2j7p8z y inchi inchi=1s/c13h16n2o2/c1-15(2)6-5-9-7-14-10-3-4-11-13(12(9)10)17-8-16-11/h3-4,7,14h,5-6,8h2,1-2h3key: zmkrwfzfmokvcp-uhfffaoysa-n smiles cn(c)ccc1=cnc2=c1c(oco3)=c3c=c2 properties chemical formula c14h16n2o2 molar mass 232.28 melting point 93–95 °c (199–203 °f; 366–368 k) 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