isohexylone isohexylone isohexylone is a recreational designer drug from the substituted cathinone family, with stimulant effects. it was first identified in the united kingdom in june 2019. isohexyloneidentifiers iupac name 1-(benzodioxol-5-yl)-4-methyl-2-(methylamino)pentan-1-one cas number1157947-89-1pubchem cid163192846chemical and physical dataformulac14h19no3molar mass249.310 g·mol−13d model (jsmol)interactive image smiles cc(c)cc(nc)c(=o)c1ccc2ococ2c1 inchi inchi=1s/c14h19no3/c1-9(2)6-11(15-3)14(16)10-4-5-12-13(7-10)18-8-17-12/h4-5,7,9,11,15h,6,8h2,1-3h3key:qgizgjmdljaaji-uhfffaoysa-n