Description

n-Acetyl-S-(4-Nitrophenyl)Cysteinylglycine is a specialized synthetic peptide derivative designed for advanced research and development applications. This compound is valued for its role as a key intermediate or reference standard in the study of enzyme kinetics, proteomics, and biochemical pathways. It is primarily utilized by pharmaceutical R&D laboratories, academic research institutions, and biotechnology companies focused on drug discovery and biochemical analysis.

Application

• Biochemical Research: Used as a substrate or inhibitor in enzymatic assays to study cysteine protease activity and mechanism.
• Pharmaceutical Development: Serves as a critical intermediate in the synthesis of novel peptide-based drug candidates and active pharmaceutical ingredients (APIs).
• Proteomics & Diagnostics: Employed as a reference standard or calibrant in mass spectrometry and HPLC analysis for protein and peptide quantification.
• Academic Research: A tool compound for investigating post-translational modifications, signal transduction, and cellular metabolism in life sciences.
• Chemical Biology: Utilized in the design and development of activity-based probes (ABPs) for labeling and studying specific enzyme families.

Basic Information

Product Name	n-Acetyl-S-(4-Nitrophenyl)Cysteinylglycine
CAS No.	375855-09-7
Molecular Formula	C₁₃H₁₅N₃O₆S
Molecular Weight	341.34 g/mol
Synonyms	N-Acetyl-S-(4-nitrophenyl)-L-cysteinylglycine; Ac-Cys(pNO2Ph)-Gly-OH; N-Acetyl-S-(p-nitrophenyl)cysteinylglycine; L-Cysteine, N-acetyl-S-(4-nitrophenyl)-, glycyl-; Ac-Cys(PNP)-Gly; N-Acetyl-S-(4-nitrophenyl)cysteine-glycine; N-Acetyl-S-(p-nitrophenyl)-L-cysteinylglycine; Ac-Cys(4-NO2-Ph)-Gly
EINECS	Contact for details

Quality Control

Our n-Acetyl-S-(4-Nitrophenyl)Cysteinylglycine is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, NMR and MS for structural confirmation, and chiral analysis to ensure stereochemical integrity. We provide Certificates of Analysis (COA) with detailed results for traceability and compliance with research-grade standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 2-8°C (refrigerated) or as indicated on the label or COA. This product is hygroscopic (moisture-sensitive) and should be handled under anhydrous conditions to maintain stability.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC)	Conforms
Identification (MS)	Conforms
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Residual Solvents (GC)	Meets ICH guidelines

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