2-Chloro-6-methylpyrimidine-4,5-diamine is primarily used as a key intermediate in the synthesis of various pharmaceutical compounds. It plays a crucial role in the development of drugs targeting bacterial infections, as it is a building block for certain antibiotics. Additionally, this chemical is utilized in the production of agrochemicals, particularly in the formulation of pesticides and herbicides, where it contributes to the control of pests and weeds in agricultural settings. Its structural properties make it valuable in organic synthesis, enabling the creation of complex molecules for research and industrial applications.