32854-09-4 (H-Cys-OMe)2·2HCl

Biochemical Research: (H-Cys-OMe)2·2HCl can be used as a tool in biochemical research, particularly in reactions involving cysteine residues. Its methyl ester form of cysteine allows it to mimic the behavior of cysteine under specific conditions, thus aiding scientists in understanding cysteine's role in protein folding, interactions, or enzymatic catalysis.

Peptide Synthesis: This compound can be used as a cysteine analogue in peptide synthesis. With its methyl ester protection, it provides the structure of cysteine during the peptide chain synthesis and can be deprotected under appropriate conditions to expose the thiol group of cysteine.

Drug Design: Since cysteine plays important physiological roles in organisms, such as antioxidation and heavy metal detoxification, (H-Cys-OMe)2·2HCl can serve as a starting point for drug design. By integrating it into drug molecules, researchers can explore cysteine-related pharmacological activities and potentially develop new drugs or drug precursors.

Protein Engineering and Modification: In protein engineering, (H-Cys-OMe)2·2HCl can be used for site-specific modification of cysteine. By reacting this compound with specific cysteine residues in a protein, site-specific labeling, crosslinking, or modification can be achieved, thereby altering the function and properties of the protein.