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THJ-018 structure.png
Legal status
Legal status
  • 1-Naphthalenyl(1-pentyl-1H-indazol-3-yl)-methanone
CAS Number
CompTox Dashboard (EPA)
Chemical and physical data
Molar mass342.442 g·mol−1
3D model (JSmol)
  • O=C(C1=NN(CCCCC)C2=C1C=CC=C2)C3=C4C(C=CC=C4)=CC=C3
  • 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,2-3,8,16H2,1H3

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.[1][2]


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.[3]


THJ-018 is an Anlage II controlled drug in Germany.[4] It is also banned in Sweden.[5]

See also[edit]


  1. ^ "THJ-018". Cayman Chemical. Retrieved 9 July 2015.
  2. ^ Diao X, Wohlfarth A, Pang S, Scheidweiler KB, Huestis MA (January 2016). "High-Resolution Mass Spectrometry for Characterizing the Metabolism of Synthetic Cannabinoid THJ-018 and Its 5-Fluoro Analog THJ-2201 after Incubation in Human Hepatocytes". Clinical Chemistry. 62 (1): 157–69. doi:10.1373/clinchem.2015.243535. PMID 26430074.
  3. ^ Hess C, Schoeder CT, Pillaiyar T, Madea B, Müller CE (2016). "Pharmacological evaluation of synthetic cannabinoids identified as constituents of spice". Forensic Toxicology. 34 (2): 329–343. doi:10.1007/s11419-016-0320-2. PMC 4929166. PMID 27429655.
  4. ^ "Gesetz über den Verkehr mit Betäubungsmitteln (Betäubungsmittelgesetz - BtMG) Anlage II (zu § 1 Abs. 1) (verkehrsfähige, aber nicht verschreibungsfähige Betäubungsmittel)" (in German). Retrieved 9 July 2015.
  5. ^ "Cannabinoider föreslås bli klassade som hälsofarlig vara" (in Swedish). Folkhälsomyndigheten. Retrieved 9 July 2015.