6-Chloro-2,4-dimethylpyridazin-3(2H)-one is primarily used in the field of organic synthesis and pharmaceutical research. It serves as a key intermediate in the production of various biologically active compounds. Its structure allows it to be a building block for the development of potential therapeutic agents, particularly in the synthesis of pyridazine derivatives, which are known for their diverse pharmacological activities. Additionally, it is utilized in the study of chemical reactions and mechanisms, aiding in the advancement of synthetic methodologies. Its applications also extend to agrochemical research, where it may contribute to the development of new pesticides or herbicides.