(S)-1-Tosylazetidine-2-carboxylic acid is primarily utilized in organic synthesis as a chiral building block for the preparation of more complex molecules. Its structure, featuring a tosyl-protected azetidine ring, makes it valuable in the development of pharmaceuticals, particularly in the synthesis of bioactive compounds and drug candidates. The compound is often employed in asymmetric synthesis to introduce chirality, which is crucial for the biological activity of many drugs. Additionally, it serves as an intermediate in the production of peptidomimetics and other nitrogen-containing heterocycles, which are important in medicinal chemistry for designing enzyme inhibitors and receptor modulators. Its versatility in chemical transformations also makes it useful in academic research for exploring new synthetic methodologies.