N-Formylglycine Ethyl Ester is widely used in organic synthesis as a versatile intermediate for constructing complex molecules. It serves as a key building block in the preparation of peptides and amino acid derivatives, particularly in the synthesis of modified amino acids for pharmaceutical research. Its ethyl ester group enhances solubility and reactivity, making it suitable for coupling reactions in peptide chemistry. Additionally, it is employed in the development of prodrugs, where its structure can be modified to improve drug delivery and bioavailability. In biochemical studies, it is utilized to investigate enzyme mechanisms and protein modifications. Its applications also extend to material science, where it contributes to the design of functional polymers and biomaterials.