Ethyl isocyanoacetate is widely used in organic synthesis, particularly in the preparation of heterocyclic compounds. It serves as a key building block in the synthesis of various pharmaceuticals, including antibiotics and antiviral agents. The compound is also employed in the production of agrochemicals, such as herbicides and fungicides, due to its reactivity and ability to form complex structures. Additionally, it finds application in the development of dyes and pigments, where its chemical properties enable the creation of vibrant and stable colorants. In research, ethyl isocyanoacetate is utilized for studying reaction mechanisms and developing new synthetic methodologies, making it a valuable tool in both industrial and academic settings.