(R)-D-Methioninol is primarily utilized in the synthesis of chiral compounds, particularly in the pharmaceutical industry. It serves as a key intermediate in the production of various drugs, including those targeting cardiovascular diseases and central nervous system disorders. Its chiral nature makes it valuable for creating enantiomerically pure substances, which are crucial for ensuring the efficacy and safety of medications. Additionally, it is employed in peptide synthesis, where it helps in constructing specific amino acid sequences required for bioactive peptides. In research, it is used as a building block for developing novel compounds with potential therapeutic applications.