Potency and safety analysis of hemp-derived delta-9 products: The hemp vs. cannabis demarcation problem

  • 7-pentyl-5-methoxy-3-(2-methoxybenzyl)-2H-chromen-2-one
CAS Number
PubChem CID
CompTox Dashboard (EPA)
Chemical and physical data
Molar mass366.457 g·mol−1
3D model (JSmol)
  • InChI=1S/C23H26O4/c1-4-5-6-9-16-12-21(26-3)19-15-18(23(24)27-22(19)13-16)14-17-10-7-8-11-20(17)25-2/h7-8,10-13,15H,4-6,9,14H2,1-3H3

PSB-SB-1202 is a coumarin derivative which is an agonist at the cannabinoid receptors CB1 and CB2, with a CB1 Ki of 32nM and a CB2 Ki of 49nM.[1] It is also a weak antagonist at the related receptor GPR55, with an IC50 of 6350nM, but has no significant affinity for GPR18.[2]

See also


  1. ^ Rempel V, Volz N, Hinz S, Karcz T, Meliciani I, Nieger M, et al. (September 2012). "7-Alkyl-3-benzylcoumarins: a versatile scaffold for the development of potent and selective cannabinoid receptor agonists and antagonists". Journal of Medicinal Chemistry. 55 (18): 7967–77. doi:10.1021/jm3008213. PMID 22916707.
  2. ^ Rempel V, Volz N, Gläser F, Nieger M, Bräse S, Müller CE (June 2013). "Antagonists for the orphan G-protein-coupled receptor GPR55 based on a coumarin scaffold". Journal of Medicinal Chemistry. 56 (11): 4798–810. doi:10.1021/jm4005175. PMID 23679955.