Used in organic synthesis to introduce the isocyanate group, particularly in the preparation of ureas and carbamates by reacting with amines or alcohols. Employed in the pharmaceutical industry for manufacturing certain drugs, including antiviral and anticancer agents. Applied in agrochemicals for the production of herbicides and pesticides. In biochemical research, used for carbamylation of proteins to modify amino groups and study protein structure and function. Also used in the preparation of dyes and pigments, and in some cases, for the treatment of gold and silver ores in mining processes.