thj-018 thj-018 thj-018 (sgt-17) is a synthetic cannabinoid that is the indazole analogue of jwh-018 and has been sold online as a designer drug. thj-018legal statuslegal status ca: schedule ii de: anlage ii (authorized trade only, not prescriptible) uk: class b identifiers iupac name 1-naphthalenyl(1-pentyl-1h-indazol-3-yl)-methanone cas number1364933-55-0 ychemspider29341702uniib39wng6743comptox dashboard (epa)dtxsid901010031 chemical and physical dataformulac23h22n2omolar mass342.442 g·mol−13d model (jsmol)interactive image smiles o=c(c1=nn(ccccc)c2=c1c=cc=c2)c3=c4c(c=cc=c4)=cc=c3 inchi inchi=1s/c23h22n2o/c1-2-3-8-16-25-21-15-7-6-13-20(21)22(24-25)23(26)19-14-9-11-17-10-4-5-12-18(17)19/h4-7,9-15h,2-3,8,16h2,1h3key:vakgbpsfdntmdj-uhfffaoysa-n pharmacology thj-018 acts as a full agonist with a binding affinity of 5.84 nm at cb1 and 4.57 nm at cb2 cannabinoid receptors. legality thj-018 is an anlage ii controlled drug in germany. it is also banned in sweden.