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Chemical and physical data
Molar mass341.454 g·mol−1
3D model (JSmol)

JWH-148 is a synthetic cannabimimetic that was discovered by John W. Huffman. It is the indole 2-methyl analog of JWH-120. It is a moderately selective ligand for the CB2 receptor, with a binding affinity of Ki = 14.0 ± 1.0 nM at this subtype, and more than eight times selectivity over the CB1 subtype.[1]

In the United States, all CB1 receptor agonists of the 3-(1-naphthoyl)indole class such as JWH-148 are Schedule I Controlled Substances.[2]

See also


  1. ^ Huffman, J.; et al. (2005). "Structure-activity relationships for 1-alkyl-3-(1-naphthoyl)indoles at the cannabinoid CB(1) and CB(2) receptors: steric and electronic effects of naphthoyl substituents. New highly selective CB(2) receptor agonists". Bioorganic & Medicinal Chemistry. 13 (1): 89–112. doi:10.1016/j.bmc.2004.09.050. PMID 15582455.
  2. ^ 21 U.S.C. § 812: Schedules of controlled substances