3-Methylisoxazole is primarily used as a building block in the synthesis of various pharmaceuticals and agrochemicals. Its structure is valuable in the development of compounds with biological activity, particularly in creating drugs that target the central nervous system. It is also utilized in the production of herbicides and fungicides, where its chemical properties help in enhancing the efficacy of these agricultural products. Additionally, 3-Methylisoxazole serves as an intermediate in organic synthesis, contributing to the creation of complex molecules for research and industrial applications.