methylenedioxycyclopropylmethylamphetamine methylenedioxycyclopropylmethylamphetamine mdcpm, or 3,4-methylenedioxy-n-cyclopropylmethylamphetamine, is a lesser-known psychedelic drug. it is the n-cyclopropylmethyl derivative of mdma. mdcpm was first synthesized by alexander shulgin; it is also one of the compounds delineated in a patent by horrom in 1972. in his book pihkal (phenethylamines i have known and loved), the minimum dosage is listed as 10 mg, and the duration unknown. mdcpm produces few to no effects. very little data exists about the pharmacological properties, metabolism, and toxicity of mdcpm. methylenedioxycyclopropylmethyl­amphetamine names preferred iupac name n-(cyclopropylmethyl)-1-(2h-1,3-benzodioxol-5-yl)propan-2-amine identifiers cas number 22698-08-4 y 3d model (jsmol) interactive image chemspider 21106332 n pubchem cid 71308239 unii x8vgm9cn9j y comptox dashboard (epa) dtxsid60745440 inchi inchi=1s/c14h19no2/c1-10(15-8-11-2-3-11)6-12-4-5-13-14(7-12)17-9-16-13/h4-5,7,10-11,15h,2-3,6,8-9h2,1h3 nkey: aeiqnpmgfqnznv-uhfffaoysa-n ninchi=1/c14h19no2/c1-10(15-8-11-2-3-11)6-12-4-5-13-14(7-12)17-9-16-13/h4-5,7,10-11,15h,2-3,6,8-9h2,1h3key: aeiqnpmgfqnznv-uhfffaoyaq smiles c3oc1c(c=cc(=c1)cc(c)ncc2cc2)o3 properties chemical formula c14h19no2 molar mass 233.31 g/mol 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 legality united kingdom this substance is a class a drug in the drugs controlled by the uk misuse of drugs act.