Amino acid derivatives are fundamental building blocks in organic chemistry, underpinning advancements in pharmaceuticals, materials science, and biochemistry. Among these, H-D-Lys(Boc)-OMe HCl (CAS 66494-53-9) exemplifies the versatility and importance of protected amino acids in modern research and development. This compound serves as a critical intermediate, enabling chemists to synthesize complex molecules with precision and control. H-D-Lys(Boc)-OMe HCl is a modified form of the amino acid lysine. The presence of the tert-butoxycarbonyl (Boc) group on the side-chain amine and a methyl ester on the carboxyl group protects these reactive functionalities. This protection strategy is vital for preventing unwanted reactions and ensuring that synthetic transformations occur at specific sites within a molecule. The D-configuration of the amino acid further expands its utility, allowing for the introduction of non-natural stereochemistry, which is often exploited to enhance the pharmacological properties of drug candidates or to create novel peptide structures with unique functionalities. The applications for such specialized amino acid derivatives are diverse. In organic synthesis, they are indispensable reagents for constructing intricate molecular architectures. Researchers often buy H-D-Lys(Boc)-OMe HCl for use in: * Peptide Synthesis: As a protected D-lysine derivative, it's essential for building peptide chains where specific stereochemistry or modified lysine residues are required. This supports the development of therapeutic peptides and peptide-based materials. * Drug Discovery: It acts as a key intermediate in the synthesis of various pharmaceutical compounds, where the lysine structure with protected functional groups is a critical component of the target molecule. * Chiral Synthesis: The inherent chirality of H-D-Lys(Boc)-OMe HCl makes it a valuable chiral pool starting material for synthesizing other enantiomerically pure compounds. Sourcing these specialized chemicals reliably is crucial. Many researchers turn to established Chinese manufacturers and suppliers for H-D-Lys(Boc)-OMe HCl, recognizing the consistent quality and competitive pricing they offer. Ensuring a steady supply of high-purity compounds like this is fundamental to the success of ongoing research and development efforts in the chemical and pharmaceutical sectors.