Ethyl 4-hydroxy-2-methylquinoline-6-carboxylate is primarily utilized in the field of organic synthesis and pharmaceutical research. It serves as a key intermediate in the development of various bioactive compounds, particularly those with potential therapeutic properties. Its structure is often leveraged in the synthesis of quinoline-based derivatives, which are explored for their antimicrobial, anticancer, and anti-inflammatory activities. Additionally, this compound is used in the study of chemical reactions and mechanisms, aiding in the design of novel drugs and materials with specific biological or chemical functionalities.