Ethyl 2-aminoquinoline-3-carboxylate is widely used in organic synthesis as a key intermediate for the preparation of various biologically active compounds. It serves as a building block in the synthesis of heterocyclic compounds, which are essential in the development of pharmaceuticals, particularly in the creation of antimalarial and anticancer agents. Additionally, it is utilized in the production of fluorescent dyes and sensors due to its unique structural properties, which enable it to interact with specific molecules and emit light. In material science, it contributes to the development of organic electronic materials, such as organic light-emitting diodes (OLEDs), owing to its conjugated system and electron-rich nature. Its versatility makes it a valuable compound in both medicinal chemistry and advanced material research.