5-Fluoro-6-methylnicotinic acid is primarily used in the field of pharmaceutical research and development. It serves as a key intermediate in the synthesis of various biologically active compounds, particularly those targeting neurological and metabolic disorders. Its structural properties make it valuable for designing molecules that interact with specific enzymes or receptors, aiding in the creation of potential therapeutic agents. Additionally, it is utilized in the study of chemical pathways and mechanisms, contributing to advancements in medicinal chemistry. Its applications also extend to agrochemical research, where it may be incorporated into the development of novel pesticides or herbicides.