8-Methoxycoumarin is widely used in the fragrance and flavor industry due to its pleasant, sweet, and hay-like aroma. It is incorporated into perfumes, cosmetics, and scented products to enhance their olfactory profile. In the field of organic synthesis, it serves as a key intermediate for producing various coumarin derivatives, which have applications in pharmaceuticals and agrochemicals. Additionally, it is utilized in UV absorbers and sunscreens because of its ability to absorb ultraviolet light, providing protection against skin damage. In research, 8-Methoxycoumarin is often employed as a fluorescent probe in biochemical studies to track molecular interactions and enzymatic activities. Its photochemical properties also make it valuable in photodynamic therapy and other light-based medical treatments.