2-ethoxy-5-chloropyridine is primarily used in the field of organic synthesis as a versatile intermediate. It plays a crucial role in the development of various pharmaceuticals, particularly in the synthesis of active pharmaceutical ingredients (APIs) that target specific diseases. Its structure allows for further functionalization, making it valuable in creating complex molecules with potential therapeutic effects. Additionally, it is utilized in agrochemical research for the development of new pesticides and herbicides, where its chemical properties contribute to the efficacy and stability of the final products. In material science, it serves as a building block for the synthesis of advanced materials with specific electronic or optical properties. Its applications are diverse, spanning across industries that require precise chemical modifications for innovation and development.