7-Chloroquinolin-4(1H)-one is primarily utilized in the field of medicinal chemistry as a key intermediate in the synthesis of various pharmacologically active compounds. Its quinoline core structure is particularly valuable in the development of antimalarial drugs, where it serves as a precursor to more complex molecules that target the malaria parasite. Additionally, this compound is explored for its potential in creating antimicrobial and anti-inflammatory agents, leveraging its ability to interact with biological targets effectively. Researchers also investigate its role in the synthesis of compounds with anticancer properties, due to its structural versatility and reactivity. Overall, it plays a significant role in drug discovery and the development of therapeutic agents.