Profile: Shaanxi Sunrun Bio-technology Co., Ltd. offers herbal extracts and pharmaceutical intermediates. Our products include amygdalin, trans-resveratrol, chrysophanic acid, berberine hydrochloride, ursolic acid, berberine hydrochloride, protocatechuic aldehyde and chrysophanic acid. Berberine hydrochloride is a yellow needle-like crystals, slightly soluble in cold water or ethanol. It dissolves in chloroform, in diethyl ether and almost insoluble in cold ethanol. Ursolic acid is an ...