Trt-L-Cys(Trt)-OH*DEA is a protected amino acid derivative based on L-cysteine, bearing a trityl (Trt) protecting group on the thiol side chain and a trityl (Trt) group on the amino acid framework as indicated by the Trt prefixes. The molecule contains an amino functionality and a carboxylic acid (-OH) while the sulfhydryl is masked as a thioether via Trt substitution, and the "*DEA" notation denotes an associated diethylamine (DEA) counterion or adduct form that affects handling and salt-related properties without changing the core protected structure. In peptide synthesis and related chemical biology workflows, the Trt-protected cysteine side chain provides chemoselective control of thiol reactivity during coupling steps and supports preparation of cysteine-containing peptide intermediates and conjugation-ready derivatives where thiol deprotection is performed at a later stage.
CAT No: CP25697
CAS No:27486-88-0
Chemical Name:N-alpha-S-Bistrityl-L-cysteine diethylamine
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