O-2372 is an analgesic cannabinoid derivative created by Organix Inc. for use in scientific research. It has high affinity for both CB<sub>1</sub> and CB<sub>2</sub> receptors, with K<sub>i</sub> values of 1.3 nM at CB<sub>1</sub> and 0.57 nM at CB<sub>2</sub>, but is only moderately soluble in water compared to other related compounds such as O-2694, which it is a metabolite of.