Used primarily as an intermediate in the synthesis of pharmaceuticals, particularly in the development of drugs targeting cardiovascular and neurological disorders. It also finds application in the production of dyes and pigments due to its stable quinoline structure, which imparts vibrant colors. Additionally, it is utilized in organic research as a building block for complex molecules, aiding in the study of chemical reactions and mechanisms. Its antioxidant properties make it a candidate for use in stabilizing certain industrial materials and products.