(R)-Methyl 2-oxooxazolidine-4-carboxylate is primarily utilized as a chiral building block in organic synthesis. It is often employed in the production of pharmaceuticals, particularly in the synthesis of enantiomerically pure compounds. This chemical serves as a key intermediate in the preparation of various bioactive molecules, including antibiotics and antiviral agents. Its chiral structure allows for the creation of stereospecific drugs, enhancing their efficacy and reducing potential side effects. Additionally, it is used in the development of peptidomimetics, which are compounds that mimic the structure and function of peptides, aiding in drug discovery and design.