S-Allyl-L-cysteine Sulfoxide is a sulfur-containing, non-proteinogenic cysteine derivative in which the thioether sulfur is oxidized to a sulfoxide and bears an S-allyl substituent, while retaining the amino acid backbone with an amino group and a carboxyl group. The molecule is specified as L-cysteine-derived and features a sulfoxide functional group that can act as a polar, oxidation-state-defined handle, alongside the allyl group that provides a carbon-carbon framework for further derivatization. In chemical biology and peptide-related synthesis workflows, it is used as a defined cysteine sulfoxide analogue for structure-reactivity studies, labeling or conjugation strategies that require an oxidized sulfur motif, and analytical method development where sulfoxide-containing amino acid species are distinguished.
CAT No: CP02502
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