CAS NO. :- 9012-76-4 ORIGIN:- USA Minimun Quantity:- 25kgs Apearence:- Slight Yellow Application :Chitosan has a number of commercial and possible biomedical uses. It can be used in agriculture as a seed treatment and biopesticide, helping plants to fight off fungal infections. In industry, it can be used in a self-healing polyurethane paint coating.