3-methylbenzylpiperazine 3-methylbenzylpiperazine 3-methylbenzylpiperazine (3-me-bzp) is a stimulant drug which is a derivative of benzylpiperazine. it has been sold as a designer drug, first being identified in sweden in february 2012. 3-methylbenzylpiperazineidentifiers iupac name 1-(3-methylbenzyl)piperazine cas number5321-48-2 npubchem cid79213uniilx9b7mme2xcomptox dashboard (epa)dtxsid40201291 echa infocard100.023.805 chemical and physical dataformulac12h18n2molar mass190.290 g·mol−13d model (jsmol)interactive image smiles cc1=cc(=cc=c1)cn2ccncc2 inchi inchi=1s/c12h18n2/c1-11-3-2-4-12(9-11)10-14-7-5-13-6-8-14/h2-4,9,13h,5-8,10h2,1h3key:vteotzpemdqenx-uhfffaoysa-n