AM-630 is a selective CB2 receptor antagonist that binds to CB1 and CB2 receptors with Ki values of 5.2 μM and 31.2 nM, respectively. AM630 has been shown to display 165-fold selectivity over CB1 receptors and behave as a weak partial/inverse agonist at CB1 receptors. AM-630 acts as an inverse agonist on cloned human CB1 receptors.
