Berberine English name: berberine chloride CAS No.: 633-65-8 Molecular formula: C20H18ClNO4 Molecular weight: 371.81400 Appearance and traits: yellow crystalline powder Density: 1.654g/cm3 Melting point: 200oC Uses: Mainly used for the treatment of gastroenteritis, bacterial dysentery and other intestinal infections, conjunctivitis, suppurative otitis media and other effective. It has also been found to block alpha-receptors and prevent arrhythmia.