Z-Lys-ONp · HCl is a protected lysine derivative in which the α-amino group is carbobenzyloxy (Z/Cbz) protected and the carboxyl group is converted to an ONp ester (p-nitrophenyl ester), forming a hydrochloride salt. The molecule contains the ε-amino side chain of lysine in its unprotected form, while the α-amino functionality is masked by the Z protecting group and the ONp ester bears a p-nitrophenyl leaving group under acyl-transfer conditions; the "Z-" prefix indicates the N-protection pattern but does not specify a stereochemical configuration. As an activated amino acid ester, it is used as an acylating building block for peptide coupling or for preparing lysine-containing amide derivatives, and the ONp group provides a convenient handle for analytical monitoring of ester reactivity and for stepwise synthesis of more complex amino acid and peptide intermediates.
CAT No: CP26797
CAS No:2179-15-9
Synonyms/Alias:Z-Lys-ONphydrochloride;Z-LYS-ONPHCL;2179-15-9;Z-L-Lys-ONphydrochloride;ST50307079;Nalpha-Z-L-lysine4-nitrophenylesterhydrochloride;AC1MC4V8;96895_ALDRICH;C20H23N3O6.HCl;C3637_SIGMA;SCHEMBL1930429;96895_FLUKA;4272-71-3(Parent);MolPort-003-939-973;EINECS218-546-5;4-NitrophenylN2-((phenylmethoxy)carbonyl)lysinatemonohydrochloride;7942AH;AKOS024306915;K-6188;N|A-Z-L-lysine4-nitrophenylesterhydrochloride;(4-nitrophenyl)(2S)-6-amino-2-(phenylmethoxycarbonylamino)hexanoatehydrochloride;4-nitrophenyl(2S)-6-amino-2-[(phenylmethoxy)carbonylamino]hexanoate,chloride
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