6-(Dimethylamino)nicotinic acid is primarily used in the field of organic synthesis as a building block for more complex molecules. It serves as a key intermediate in the production of pharmaceuticals, particularly in the development of drugs that target neurological and cardiovascular systems. Its structure allows for the introduction of functional groups that are essential for biological activity, making it valuable in medicinal chemistry. Additionally, it is utilized in the synthesis of agrochemicals, where it contributes to the creation of compounds that enhance crop protection and yield. Its role in research and development also extends to the creation of novel materials and dyes, where its chemical properties enable the formation of stable and functional products.