3-Cyanochromone finds its primary application in the field of organic synthesis, where it serves as a versatile intermediate for the preparation of various heterocyclic compounds. Its structure, featuring a chromone core with a cyano group, makes it a valuable building block for developing pharmacologically active molecules. Researchers utilize it in the synthesis of compounds with potential anti-inflammatory, antimicrobial, and anticancer properties. Additionally, it is employed in the development of fluorescent dyes and sensors due to its ability to interact with light, making it useful in analytical chemistry and material science. Its reactivity also allows for modifications that can lead to the creation of novel chemical entities for drug discovery and development.