jwh-249 jwh-249 jwh-249 (1-pentyl-3-(2-bromophenylacetyl)indole) is a synthetic cannabinoid from the phenylacetylindole family, which acts as a cannabinoid agonist with about 2.4 times selectivity for cb1 with a ki of 8.4 ± 1.8 nm and 20 ± 2 nm at cb2. similar to the related 2'-methoxy compound jwh-250, the 2'-chloro compound jwh-203, and the 2'-methyl compound jwh-251, jwh-249 has a phenylacetyl group in place of the naphthoyl ring used in most aminoalkylindole cannabinoid compounds. jwh-249legal statuslegal status ca: schedule ii de: npsg (industrial and scientific use only) uk: under psychoactive substances act us: schedule i identifiers iupac name 2-(2-bromophenyl)-1-(1-pentylindol-3-yl)ethanone cas number864445-60-3 npubchem cid44397335chemspider23253217 yuniih988kqv4u9chemblchembl363471 ycomptox dashboard (epa)dtxsid30658735 chemical and physical dataformulac21h22brnomolar mass384.317 g·mol−13d model (jsmol)interactive image smiles cccccn1cc(c2c1cccc2)c(=o)cc3ccccc3br inchi inchi=1s/c21h22brno/c1-2-3-8-13-23-15-18(17-10-5-7-12-20(17)23)21(24)14-16-9-4-6-11-19(16)22/h4-7,9-12,15h,2-3,8,13-14h2,1h3 ykey:cgqrvohecaullb-uhfffaoysa-n y ny (what is this?) (verify) in the united states, cb1 receptor agonists of the 3-phenylacetylindole class such as cannabipiperidiethanone are schedule i controlled substances.