Isoxazole-5-carboxylic acid is primarily utilized in the field of medicinal chemistry as a key building block for the synthesis of various pharmaceutical compounds. Its structure serves as a core scaffold in the development of drugs targeting a range of biological activities, including antimicrobial, anti-inflammatory, and anticancer agents. The compound is particularly valued for its ability to enhance the bioactivity and selectivity of drug molecules. Additionally, it is employed in agrochemical research for designing novel pesticides and herbicides, leveraging its heterocyclic properties to improve efficacy and stability. Its versatility also extends to material science, where it is explored for creating advanced polymers and coatings with specialized properties.