Shows strong gastrointestinal motor stimulating (GMS) activity. Motilin receptor agonist. Stimulates smooth muscle cell contraction. Stimulates cholinergic neurons in a non-vagal pathway. Enhances gastrointestinal contractile activity and accelerates gastric emptying. Shows orexigenic activity with affinity for the growth-hormone secretagogue receptor (GHS-R, ghrelin receptor).Synonyms:Motilide; Idremcinal; 8,9-Didehydro-N-demethyl-9-deoxo-6-deoxy-6,9-epoxy-N-(1-methylethyl)-erythromycinCAS Number:110480-13-2Source:Semi-synthetic from erythromycin AMolecular Weight:744Molecular Formula:C39H69NO12Solubility:Soluble in methanol, ethanol, DMSO, chloroform, acetone, ethyl acetate or acetonitrile. Insoluble in water or hexane.Appearance:Supplied as a white to off-white powder.Purity:≥95% (HPLC)Storage and Stability:Store at 4°C. After reconstitution, prepare aliquots and store at -20°C. For maximum recovery of product, centrifuge the original vial prior to removing the cap.