Description_x000D_ Packaging_x000D_ 5, 25 mg in glass bottle_x000D_ Biochem/physiol Actions_x000D_ MCOPPB trihydrochloride is a potent non-peptide nociceptin/orphanin FQ peptide (NOP)-receptor full agonist [or opioid-receptor-like-1 (ORL1) receptor agonist]. MCOPPB is the most potent novel non-peptide NOP full agonist in vitro and an orally potent anxiolytic in the mice. It inhibited signaling through the NOP receptor in the mouse brain, suggesting that it penetrated into the brain after it was orally administered. It did not affect locomotor activity or memory, nor did it contribute to ethanol-induced hypnosis._x000D_ Features and Benefits_x000D_ This compound is also offered as part of Sigma′s Library of Pharmacologically Active Compounds (LOPAC®Pfizer), a collection of 90 Pfizer-developed drugs and research tools. Click here to learn more._x000D_ This compound is featured on the Opioid Receptors page of the Handbook of Receptor Classification and Signal Transduction. To browse other handbook pages, click here._x000D_ Other Notes_x000D_ This compound was developed by Pfizer for Neuroscience research. To learn more about Sigma′s partnership with Pfizer and view other authentic, high-quality Pfizer compounds, visit sigma.com/bsm-pfizer._x000D_ To browse the list of other pharma-developed compounds and Approved Drugs/Drug Candidates, click here._x000D_ Legal Information_x000D_ Sold for research purposes under agreement from Pfizer Inc._x000D_ LOPAC is a registered trademark of Sigma-Aldrich Co. LLC_x000D_ Pfizer is a registered trademark of Pfizer, Inc.