Pharmaceutical intermediates
chitosan壳聚糖
Name: Chitosan
CAS No.: 9012-76-4
MF: [C6H11NO4]n
Chitosan is produced commercially by deacetylation of chitin which is widely found in nature, on average, the molecular weight of commercially produced chitosan is between 3800 and 20,000 Daltons.

Chitosan is used primarily as a natural seed treatment and plant growth enhancer, and as an ecologically friendly biopesticide substance. Chitosan can also be used in water processing engineering as a part of a filtration process. Chitosan is currently the focus of much medical research, due to it works as a soluble dietary fiber, increases the excretion of sterols and reducing the digestibility of ileal fats.