N-sec-Butylurea is primarily used in organic synthesis as an intermediate for the production of various pharmaceuticals and agrochemicals. It plays a role in the development of compounds with potential therapeutic properties, such as enzyme inhibitors or receptor modulators. In the agricultural sector, it is utilized in the synthesis of herbicides and pesticides, contributing to the control of weeds and pests in crop management. Additionally, it is employed in research and development for studying chemical reactions and mechanisms, aiding in the discovery of new materials and processes.