S-Benzyl-L-penicillamine contains the L-penicillamine amino acid backbone bearing a thioether side chain in which the sulfur is benzylated, classifying it as a sulfur-functionalized, non-proteinogenic amino acid derivative. The molecule retains both an amino group and a carboxyl group, while the benzyl thioether masks the thiol functionality present in the parent penicillamine, providing a protected sulfur handle with defined substitution and stereochemistry consistent with the "L" designation. In peptide chemistry and chemical biology workflows, this benzyl-protected thioether form is used as a precursor for controlled sulfur incorporation, enabling preparation of penicillamine-containing analogues and related thioether or thiol-functionalized derivatives for conjugation, labeling, and structure-activity studies.
CAT No: CP22302
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