Description

2-[[4-(Phenylazo)Benzyl]Sulphonyl]Ethyl S-(Acetamidomethyl)-n-(tert-Butoxycarbonyl)-L-Cysteinate is a specialized, high-purity chemical building block designed for advanced synthetic applications. This compound is valued for its role as a protected cysteine derivative, offering precise control in peptide synthesis and bioconjugation chemistry. It is primarily utilized by research institutions and pharmaceutical development companies engaged in the creation of novel therapeutic peptides, protein engineering, and the development of targeted drug delivery systems.

Application

• Peptide Synthesis: Serves as a key protected intermediate for the controlled introduction of cysteine residues into synthetic peptide chains.
• Bioconjugation Chemistry: Used in the site-specific modification of proteins, antibodies, and other biomolecules for creating antibody-drug conjugates (ADCs) or diagnostic probes.
• Pharmaceutical Research: Acts as a crucial reagent in the discovery and development of peptide-based therapeutics and enzyme inhibitors.
• Chemical Biology Probes: Employed in the synthesis of activity-based probes for studying enzyme function and protein-protein interactions.
• Material Science: Can be utilized in the surface functionalization of nanomaterials for biomedical applications.

Basic Information

Product Name	2-[[4-(Phenylazo)Benzyl]Sulphonyl]Ethyl S-(Acetamidomethyl)-n-(tert-Butoxycarbonyl)-L-Cysteinate
CAS No.	76408-54-3
Molecular Formula	C26H32N4O7S2
Molecular Weight	576.68 g/mol
Synonyms	Boc-Cys(Acm)-OEt (Phenylazo)benzyl sulfone; S-(Acetamidomethyl)-N-(tert-butoxycarbonyl)-L-cysteine 2-[[4-(phenylazo)benzyl]sulfonyl]ethyl ester; N-Boc-S-acetamidomethyl-L-cysteine 2-((4-(phenylazo)benzyl)sulfonyl)ethyl ester; L-Cysteine, S-[(acetylamino)methyl]-N-[(1,1-dimethylethoxy)carbonyl]-, 2-[[4-(phenylazo)phenyl]methyl]sulfonyl]ethyl ester; Boc-Cys(Acm)-OSu derivative; Protected Cysteine Azo Ester; Peptide Coupling Reagent Intermediate
EINECS	Contact for details

Quality Control

Our production of 2-[[4-(Phenylazo)Benzyl]Sulphonyl]Ethyl S-(Acetamidomethyl)-n-(tert-Butoxycarbonyl)-L-Cysteinate adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity suitable for research and development. All materials are characterized by advanced analytical techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to support your quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This product is light-sensitive (store away from light). For long-term storage, consider storing desiccated under an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Residual Solvents (GC)	Meets ICH guidelines
Specific Rotation	Contact for details

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