Quinoline-2,4(1H,3H)-dione is primarily utilized in the field of medicinal chemistry due to its potential biological activities. It serves as a key intermediate in the synthesis of various pharmaceutical compounds, particularly those targeting anti-inflammatory, antimicrobial, and anticancer properties. Its structural framework is often incorporated into drug molecules to enhance their efficacy and selectivity. Additionally, it is explored in the development of organic light-emitting diodes (OLEDs) and other optoelectronic materials due to its unique electronic properties. In agrochemical research, derivatives of this compound are investigated for their potential use as pesticides or herbicides, offering a pathway to develop new crop protection agents.