methylenedioxybenzylamphetamine methylenedioxybenzylamphetamine methylenedioxybenzylamphetamine, abbreviated mdbz, and systematically named 3,4-methylenedioxy-n-benzylamphetamine, is a psychedelic drug. it is the n-benzyl derivative of 3,4-methylenedioxyamphetamine (mda). mdbz was first synthesized by alexander shulgin. in his book pihkal (phenethylamines i have known and loved), the minimum dosage is listed as 150 mg, and the duration unknown. very few data exist about the pharmacological properties, metabolism, and toxicity of mdbz. methylenedioxybenzyl­amphetamine names preferred iupac name 1-(2h-1,3-benzodioxol-5-yl)-n-benzylpropan-2-amine identifiers cas number 65033-29-6 y 3d model (jsmol) interactive image chemspider 15110233 pubchem cid 20507314 unii qr8242661a n comptox dashboard (epa) dtxsid10608233 inchi inchi=1s/c17h19no2/c1-13(18-11-14-5-3-2-4-6-14)9-15-7-8-16-17(10-15)20-12-19-16/h2-8,10,13,18h,9,11-12h2,1h3key: dwluhtuytbwolo-uhfffaoysa-n smiles c1=c3c(=cc=c1cc(c)ncc2=cc=cc=c2)oco3 properties chemical formula c17h19no2 molar mass 269.343 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 in an episode of the british spoof documentary tv show brass eye, david amess mp was fooled into recording a warning against a fictitious new drug called "cake". when asked a parliamentary question about it, the home office incorrectly assumed amess was referring to mdbz. legality united kingdom mdbz is a class a drug in the drugs controlled by the uk misuse of drugs act.