Description_x000D_ Packaging_x000D_ 25, 100 mg in poly bottle_x000D_ Biochem/physiol Actions_x000D_ Specific, reversible, orally-active COMT-inhibitor._x000D_ Features and Benefits_x000D_ This compound is also offered as part of Sigma′s Library of Pharmacologically Active Compounds (LOPAC®1280), a biologically annotated collection of high-quality, ready-to-screen compounds. Click here to learn more._x000D_ This compound is featured on the Dopamine and Norepinephrine Metabolism page of the Handbook of Receptor Classification and Signal Transduction. To browse other handbook pages, click here._x000D_ Caution_x000D_ Store tightly sealed at 4 °C, protected from exposure to light._x000D_ Legal Information_x000D_ LOPAC is a registered trademark of Sigma-Aldrich Co. LLC