N-BOC-L-Cysteine Methyl Ester

Product Details

CAS No:55757-46-5

MF:C9H17NO4S

Appearance:colorless or light-yellow transparent liquid

Specification:98.5%

UN number:-

Package:1/5/10/25kgs/drum

Supply Capacity:KGS

Synonyms:N-(tert-Butoxycarbonyl)-L-cysteine Methyl ester 97%;methyl (2R)-2-[(2-methylpropan-2-yl)oxycarbonylamino]-3-sulfanylpropanoate;L-Cysteine, N-[(1,1-dimethylethoxy)carbonyl]-, methyl ester;N-(TERT-BUTOXYCARBONYL)-L-CYSTEINE METHYL ESTER USP/EP/BP;BOC-L-Cysteinate methyl;Methyl N-(tert-butoxycarbonyl)-L-cysteinate;N-(tert-Butoxycarbonyl)-L-cysteine methyl ester;Methyl N-Boc-L-cysteinate; 55757-46-5; N-(tert-Butoxycarbonyl)-L-cysteine methyl ester; DTXSID60450522; RefChem:362926; DTXCID10401342; n-boc-l-cysteine methyl ester; MFCD00799495; Boc-Cys-OMe; Methyl (tert-butoxycarbonyl)-L-cysteinate; methyl (2R)-2-[(2-methylpropan-2-yl)oxycarbonylamino]-3-sulfanylpropanoate; methyl (2R)-2-{[(tert-butoxy)carbonyl]amino}-3-sulfanylpropanoate; methyl N-(tert-butoxycarbonyl)-L-cysteinate; N-[(1,1-Dimethylethoxy)carbonyl]-L-cysteine Methyl Ester; Boc-L-cysteine Methyl Ester; Methyl (tert-Butoxycarbonyl)-L-cysteinate; N-Boc-L-cysteine Methyl Ester; Methyl N-Boc-L-cysteinate; n-boc cysteine methyl ester; N-BOC-cysteine methyl ester; SCHEMBL295886; NJGIAKIPSDCYAC-LURJTMIESA-N; L-Cysteine, N-[(1,1-dimethylethoxy)carbonyl]-, methyl ester; AS-82965; SY076204; tert-butoxycarbonyl-L-cysteine methyl ester; CS-0106046; N-(t-butoxycarbonyl)-l-cysteine methyl ester; E75395; EN300-1273280; F099445; N-(tert-Butoxy-carbonyl)-L-cysteine methyl ester; N-(tert-Butoxycarbonyl)-L-cysteine methyl ester, 97%; N-[(1,1-dimethylethoxy)carbonyl]-L-cysteine, methyl ester; methyl (2R)-2-(tert-butoxycarbonylamino)-3-sulfanyl-propanoate

Product application:N-BOC-L-Cysteine Methyl Ester,55757-46-5,Boc-Cys-OMe,Boc-L-Cys-OMe,N-(tert-Butoxycarbonyl)-L-cysteine methyl ester,Methyl (2R)-2-[(tert-butoxycarbonyl)amino]-3-mercaptopropanoate,Peptide synthesis grade Boc-Cys-OMe,Boc protected amino acid,Chiral cysteine building block,Peptide drug intermediate,ADC linker synthon,PDC conjugation reagent,Thiol click chemistry building block,Organosulfur intermediate,Antineoplastic peptide precursor,Low dimer Boc-Cys-OMe,Ultra pure N-Boc-L-cysteine methyl ester 99%,CAS 55757-46-5 supplier,N-BOC-L-Cysteine Methyl Ester manufacturer China,Suzhou Health Chemicals peptide reagents,Boc-Cys-OMe wholesale bulk export

 

N-BOC-L-Cysteine Methyl Ester is widely utilized across therapeutic peptide chemical synthesis, advanced antibody-drug conjugate (ADC) linker construction, site-specific peptide-drug conjugate (PDC) bioconjugation, chiral sulfur-heterocyclic pharmacophore assembly, and thiol-ene bioorthogonal click chemistry sectors. In peptide chemistry and process pharmacology, universally designated as Boc-Cys-OMe or Boc-L-Cys-OMe, it operates as an orthogonally protected cysteine building block; its molecular architecture masks the alpha-amino terminus with a tert-butoxycarbonyl (Boc) carbamate and the carboxyl handle with a methyl ester, suppressing nonspecific backbone self-condensation while exposing a reactive, nucleophilic side-chain thiol (-SH); this arrangement enables selective nucleophilic displacement, Michael addition with maleimides, or selective disulfide formation to assemble crosslinked cyclic peptides and linear therapeutic peptides without risk of alpha-center racemization; in targeted oncology and bioconjugation therapeutics, it serves as an indispensable synthon for engineering cleavable and non-cleavable linker segments in ADCs and PDCs, facilitating the stoichiometric attachment of cytotoxic payloads onto monoclonal antibodies while offering orthogonal channels to cleave the Boc or ester protecting groups under mild conditions; in synthetic organic chemistry, the compound functions as a homochiral precursor for constructing functionalized thiazolidines, thiazolines, and macrocyclic thioethers found in bioactive marine natural products and antiviral candidates; furthermore, in chemical biology and surface nanotechnology, N-BOC-L-Cysteine Methyl Ester is deployed to assemble uniform self-assembled monolayers on noble metal substrates and introduce bio-compatible anchors onto diagnostic sensor interfaces.