2,3-Dichloro-5-methylpyrazine is primarily utilized in the synthesis of various agrochemicals and pharmaceuticals. It serves as a key intermediate in the production of herbicides and pesticides, contributing to the development of compounds that effectively control weed growth and pest infestations in agricultural settings. Additionally, this chemical is employed in the creation of certain pharmaceutical agents, where it acts as a building block for more complex molecules designed to treat specific medical conditions. Its role in these industries underscores its importance in enhancing crop protection and advancing medicinal chemistry.