For more about us , please visit our site: https://afinechem.en.alibaba.com or https://afinepharm.en.alibaba.com/   Metoprolol tartrate 99% CAS NO.:56392-17-7,active pharmaceutical ingredient        Chemical Properties Appearance: white to off-white / powder Molecular Weight: 684.81464 Density: g/cm3 Boiling Point: 398.6 °C at 760 mmHg Melting Point: 120 C Flash Point: 194.9 °C Storage Temperature: Keep in a cool, dry, dark location in a tightly sealed container or cylinder. Keep away from incompatible materials, ignition sources and untrained individuals. Secure and label area. Protect containers/cylinders from physical damage. Solubility: H2O: 50 mg/mL Biological Activity: Selective β 1 -adrenoceptor antagonist (K i values are 47, 2960 and 10100 nM for β 1 , β 2 and β 3 adrenoceptors respectively). Inhibits spontaneous endothelin-1 production in vitro and displays antihypertensive and antianginal activity in vivo . Stability: Stable. Incompatible with strong oxidizing agents. Usage: A ? selective aryloxypropanolamine andrenergic antagonist. Used in the treatment of a variety of cardiovascular disorder. Antihypertensive; antianginal; antiarrhythmic (class II) Safety Data of 56392-17-7      

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