chm-081 chm-081 chm-081 (sgt-4) is a recreational designer drug which is classed as a synthetic cannabinoid. it is from the naphthoylindole family, being the 1-cyclohexylmethyl instead of 1-pentyl analogue of jwh-081, and produces cannabis-like effects. it has been identified as an ingredient in synthetic cannabis products in various countries including the usa and australia. chm-081identifiers iupac name -(4-methoxynaphthalen-1-yl)methanone cas number1373876-34-6pubchem cid118796420chemspider29763715unii77tk99424jchemical and physical dataformulac27h27no2molar mass397.518 g·mol−13d model (jsmol)interactive image smiles coc1=cc=c(c2=cc=cc=c21)c(=o)c3=cn(c4=cc=cc=c43)cc5ccccc5 inchi inchi=1s/c27h27no2/c1-30-26-16-15-23(20-11-5-6-13-22(20)26)27(29)24-18-28(17-19-9-3-2-4-10-19)25-14-8-7-12-21(24)25/h5-8,11-16,18-19h,2-4,9-10,17h2,1h3key:lmenrxzoubankq-uhfffaoysa-n