N-Boc-4-(methylsulfonyl)benzylamine is widely used in organic synthesis, particularly in the preparation of pharmaceuticals and bioactive compounds. It serves as a key intermediate in the development of drugs due to its protective Boc group, which ensures stability during complex reactions. The compound is often employed in the synthesis of small molecule inhibitors and receptor antagonists, especially in cancer research and neurological studies. Its methylsulfonyl group enhances reactivity, making it valuable for cross-coupling reactions and the construction of diverse molecular frameworks. Additionally, it is utilized in peptide chemistry for the modification of amino acids and the development of peptide-based therapeutics.