(S)-2-Aminononanoic acid is primarily utilized in the field of organic synthesis and pharmaceutical research. It serves as a key intermediate in the production of various bioactive compounds and peptides. Its chiral nature makes it valuable in the development of enantiomerically pure drugs, particularly those targeting specific biological pathways. Additionally, it is employed in the study of enzyme mechanisms and as a building block for synthesizing complex molecules with potential therapeutic applications. In material science, it can be used to modify surfaces or create functionalized polymers with unique properties.