Description_x000D_ General description_x000D_ Octopamine is a biogenic amine, which functions as a neurotransmitter, neuromodulator and neurohormone. It is used to regulate various behaviors, such as learning, memory and aggression. Octopamine is present in mammalian tissues, human urine and invertebrates._x000D_ Application_x000D_ (±)-Octopamine hydrochloride has been used:_x000D_ • for neurotransmitter assays_x000D_ • to rupture the encased oocyte into the oviduct_x000D_ • to specifically induce dramatic assembly of reflectin_x000D_ • to identify central octopamine receptor-expressing neurons (OARNs) involved in aggression in Drosophila_x000D_ Packaging_x000D_ 1 g in poly tube_x000D_ 5, 10 g in poly bottle_x000D_ Biochem/physiol Actions_x000D_ α-adrenoceptor agonist; invertebrate neurotransmitter._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_ Caution_x000D_ hygroscopic - handle under Argon_x000D_ Legal Information_x000D_ LOPAC is a registered trademark of Sigma-Aldrich Co. LLC