Ethyl 7-bromo-2-oxochromene-3-carboxylate is primarily utilized in organic synthesis as a key intermediate for the development of more complex chemical structures. It plays a significant role in the synthesis of various heterocyclic compounds, which are essential in the pharmaceutical industry for creating potential drug candidates. This compound is particularly valuable in the construction of chromene derivatives, which exhibit a wide range of biological activities, including anti-inflammatory, anticancer, and antimicrobial properties. Additionally, it is used in research settings to explore new reactions and pathways in synthetic organic chemistry, contributing to the advancement of medicinal chemistry and drug discovery.