S-Phenyl-L-cysteine

Product Details

CAS No:34317-61-8

MF:C9H11NO2S

Appearance:white or off-white crystalline powder

Specification:98.5%

UN number:-

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

Supply Capacity:KGS

Synonyms:beta-phenylcysteine;(R)-2-AMINO-3-(S-PHENYLTHIO)PROPANOIC ACID;(S)-2-AMINO-3-(S-PHENYLTHIO)PROPANOIC ACID;(S)-PHENYL-L-CYS;S-PHENYL-L-CYSTEINE;H-CYS(PHENYL)-OH;CYSTEINE(PHENYL)-OH;D-S-Phenylcysteine; 34317-61-8; beta-Phenylcysteine; S-Phenylcysteine; 3-Phenylcysteine; DTXSID20187882; RefChem:567940; DTXCID80110373; S-Phenyl-L-cysteine; H-Cys(phenyl)-OH; (R)-2-Amino-3-(phenylthio)propanoic acid; (2R)-2-amino-3-phenylsulfanylpropanoic acid; MFCD01318758; SCHEMBL342512; AKOS006281414; FD21309; (2R)-2-amino-3-phenylthiopropanoic acid; AC-10075; (R)-2-Amino-3-(phenylthio)propanoicacid; CS-0033656; L-S-phenylcysteine; L-Cysteine, S-phenyl-; XYUBQWNJDIAEES-QMMMGPOBSA-N; S-Phenyl-L-cys; (2R)-2-ammonio-3-(phenylthio)propanoate; H-Cys(S-Phenyl)-OH; (2R)-2-amino-3-phenylsulfanyl-propanoic acid; A822168; S-Phenyl-L-cysteine, 97%; CHEMBL63062; SBB066411; AKOS007930134; HY-W020826; AS-49032; ST092360; SY102137; F224381

Product application:S-Phenyl-L-cysteine,34317-61-8,L-S-Phenylcysteine,S-Phenylcysteine,(2R)-2-Amino-3-(phenylthio)propanoic acid,Benzene exposure biomarker standard,Urinary S-phenylmercapturic acid precursor,Chiral sulfur-containing amino acid,Unnatural amino acid building block,Pharmaceutical grade S-Phenyl-L-cysteine,Peptide synthesis intermediate,Targeted oncology peptide monomer,Peptidomimetic raw material,Cosmetic peptide active,Antioxidant amino acid derivative,Chiral catalyst ligand precursor,Fine chemical intermediate,Research biochemical CAS 34317-61-8,High purity S-Phenyl-L-cysteine 99%,S-Phenyl-L-cysteine manufacturer China,CAS 34317-61-8 supplier,Suzhou Health Chemicals specialty amino acids,S-Phenyl-L-cysteine wholesale bulk export

 

S-Phenyl-L-cysteine serves as an indispensable, high-purity chiral sulfur-containing amino acid building block, gold-standard toxicological biomarker reference, and versatile synthetic synthon extensively utilized across occupational health monitoring, therapeutic peptide engineering, cosmeceutical formulation, asymmetric organic synthesis, and advanced industrial materials sectors. In occupational medicine, environmental toxicology, and clinical diagnostics, functioning as the key physiological metabolite and direct biochemical indicator of internal benzene exposure (precursor to urinary S-phenylmercapturic acid), it is globally utilized as a primary calibration standard in LC-MS/MS analytical assays to accurately assess occupational exposure levels among workers in petroleum refining, coal chemical processing, coating application, printing, and leather manufacturing industries. In active pharmaceutical ingredient (API) manufacturing and peptidomimetic drug discovery, introducing this unnatural aromatic thioether amino acid into therapeutic peptide backbones substantially enhances hydrophobic receptor-binding affinities and provides enzymatic resistance against proteolytic degradation, making it a critical monomer for synthesizing targeted oncology peptides, antithrombotic peptidomimetics, and specialized peptide drug delivery vectors. In asymmetric catalysis and chiral chemical synthesis, it is employed as a chiral building block to assemble chiral organosulfur ligands, enantioselective phase-transfer catalysts, and stationary phases for chiral chromatography. In personal care and advanced dermatological formulations, it acts as an active precursor for antioxidant biomimetic peptides that protect skin cellular matrices against ultraviolet oxidative stress. In specialty polymers, functional adhesives, and protective industrial coatings, its aromatic thioether moiety functions as a thermal antioxidant modifier and metal coordination stabilizer. Furthermore, in functional textile modification, advanced leather finishing auxiliaries, eco-friendly wood preservatives, and metallurgical corrosion inhibitor systems for oil and gas extraction pipelines, chemical structures derived from S-Phenyl-L-cysteine deliver outstanding coordination stability, interfacial performance, and multi-industry chemical versatility.