A kind of water-soluble chitosan derivative was prepared by the reaction of ch- itosan with NH_4 CNS and CH_2 C1COOH.

• 将壳聚糖与硫氰酸铵(NH_4CNS)和氯乙酸(CH_2ClCOOH)共热反应,制备了壳聚糖衍生物硫脲乙酸壳聚糖(NCTS)。