Cyclo(-ala-gly) is primarily used in the field of peptide research and drug development. Its cyclic structure makes it a valuable tool for studying peptide stability and conformational behavior, which is crucial for designing peptide-based therapeutics. It serves as a model compound to understand how cyclic peptides interact with biological targets, aiding in the development of more effective and stable drugs. Additionally, it is utilized in the synthesis of peptidomimetics, which are compounds that mimic the structure and function of peptides but with enhanced properties such as increased resistance to enzymatic degradation. This makes it particularly useful in creating novel treatments for diseases where traditional peptides may be less effective.