Description

S-(Diphenylmethyl)-n-[(Benzyloxy)Carbonyl]-L-Cysteine is a sophisticated, protected cysteine derivative designed for advanced synthetic chemistry. This compound is a critical building block in the synthesis of complex peptides and peptidomimetics, offering precise control over molecular structure and reactivity. It is primarily utilized by pharmaceutical R&D teams and fine chemical manufacturers engaged in the development of novel therapeutic agents and bioactive molecules.

Application

• Pharmaceutical Intermediate: A key chiral synthon in the research and development of peptide-based drugs and enzyme inhibitors.
• Peptide Synthesis: Used in solid-phase and solution-phase peptide synthesis (SPPS) to introduce a protected cysteine residue with orthogonal protecting groups.
• Chemical Biology Research: Employed in the study of protein-protein interactions and the construction of modified peptides for probe development.
• Ligand and Catalyst Development: Serves as a precursor for creating chiral ligands and organocatalysts used in asymmetric synthesis.
• Reference Standard: Used as a high-purity analytical standard in quality control laboratories for method development and validation.

Basic Information

Product Name	S-(Diphenylmethyl)-n-[(Benzyloxy)Carbonyl]-L-Cysteine
CAS No.	53957-20-3
Molecular Formula	C24H23NO4S
Molecular Weight	421.51 g/mol
Synonyms	N-Cbz-S-Diphenylmethyl-L-cysteine; N-[(Benzyloxy)carbonyl]-S-(diphenylmethyl)-L-cysteine; Z-Cys(Dpm)-OH; Cbz-Cys(Dpm)-OH; (S)-2-(((Benzyloxy)carbonyl)amino)-3-((diphenylmethyl)thio)propanoic acid; L-Cysteine, N-[(phenylmethoxy)carbonyl]-S-(diphenylmethyl)-; S-(Benzhydryl)-N-carbobenzoxy-L-cysteine
EINECS	Contact for details

Quality Control

Our S-(Diphenylmethyl)-n-[(Benzyloxy)Carbonyl]-L-Cysteine is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, chiral analysis, and identity confirmation by spectroscopic methods, to ensure it meets the high standards required for research and development. Certificates of Analysis (COA) with detailed chromatographic data are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 15-25°C. This material is hygroscopic (moisture-sensitive) and should be handled in a dry environment to prevent degradation. For long-term storage, consider desiccation.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Assay (HPLC)	≥ 98.0%
Chiral Purity (HPLC)	≥ 99.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.