物化性质(Physical properties): 本品为白色或类白色粉末;有引湿性;在水中易溶,在乙醇,氯仿或乙醚中极微溶解。 This product is a white to off-white powder; hygroscopicity; freely soluble in water, very slightly soluble in ethanol, chloroform and ether. 纯度(Purity)HPLC:≥90.0% 含量(Contents)dry basis:≥90.0% 贮藏(storage):密封,冷冻保存。Preserve in tight containers, in a freezing place.