Isovaleronitrile is primarily used in organic synthesis as a versatile intermediate for the production of various chemicals. It serves as a key building block in the manufacture of pharmaceuticals, particularly in the synthesis of active pharmaceutical ingredients (APIs) and fine chemicals. Its nitrile group allows for further chemical transformations, making it valuable in creating complex molecular structures. Additionally, it finds application in the agrochemical industry for the development of pesticides and herbicides. In research, isovaleronitrile is utilized as a reagent in organic reactions, including nucleophilic substitutions and reductions, due to its reactivity. Its role in the synthesis of flavors and fragrances is also notable, contributing to the creation of specific aromatic compounds.