Description_x000D_ Packaging_x000D_ 5, 25 mg in glass bottle_x000D_ Biochem/physiol Actions_x000D_ CP-94,253 is a potent and selective serotonin 5-HT1B receptor agonist with approximately 25x and 40x selectivity over the closely related 5-HT1D and 5-HT1A receptors. Ki values are 89, 2, 860, 49 and 1,600 nM for 5-HT1A, 5-HT1B, 5-HT1C, 5-HT1D and 5-HT2 receptors respectively. CP-94,253 was found to be anxiolytic in animal models; dose-dependently enhanced reinforcing effects of cocaine (self-administration);and reduced food intake.