Used primarily in organic synthesis, 6-Chloro-4-formylnicotinic acid serves as a key intermediate in the production of various pharmaceutical compounds. Its functional groups make it valuable for constructing complex molecules, particularly in the development of drugs targeting specific enzymes or receptors. It is also employed in the synthesis of agrochemicals, contributing to the creation of pesticides or herbicides. Additionally, its structure allows for further derivatization, making it useful in research for designing novel bioactive compounds.