Triethyl orthovalerate is primarily used as a reagent in organic synthesis, particularly in the production of esters and other complex organic compounds. It serves as a valuable intermediate in the pharmaceutical industry for the synthesis of active pharmaceutical ingredients (APIs) and fine chemicals. In the field of agrochemicals, it is utilized in the development of pesticides and herbicides. Additionally, it finds application in the flavor and fragrance industry, where it contributes to the creation of esters that impart fruity and sweet aromas. Its role as a solvent or co-solvent in various chemical reactions also makes it a versatile component in research and industrial processes.