Description_x000D_ Packaging_x000D_ 5, 25 mg in glass bottle_x000D_ Biochem/physiol Actions_x000D_ AC-42 is a specific agonist of the muscarininc M1 receptor (pEC50 = 6.54) with little or no activity against other muscarinic receptor family members. AC-42 binds to an allosteric site adjacent to the adjacent to the orthosteric, acetylcholine binding site._x000D_ Features and Benefits_x000D_ This compound is a featured product for Neuroscience research. Click here to discover more featured Neuroscience products. Learn more about bioactive small molecules for other areas of research at sigma.com/discover-bsm.