Description

n-Acetyl-S-[4-(2-Pyridinyl)Benzyl]-L-Cysteine is a high-purity, synthetically derived cysteine derivative characterized by its unique acetylated structure and pyridinylbenzyl side chain. This compound is of significant value as a critical intermediate and reference standard in advanced pharmaceutical research and development. It is primarily needed by scientists and manufacturers in the pharmaceutical, biotechnology, and life science sectors for applications in drug discovery and analytical method development.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly in medicinal chemistry programs.
• Metabolite Reference Standard: Used as an analytical standard in mass spectrometry (LC-MS/MS) and HPLC for the identification and quantification of drug metabolites in biological matrices.
• Biochemical Research: Employed in proteomics and enzyme studies as a modified cysteine residue to investigate protein structure, function, and interactions.
• Prodrug Development: Serves as a model compound for designing prodrugs with enhanced stability, solubility, or targeted delivery.
• Quality Control & Method Validation: Essential for developing and validating analytical methods in GMP and GLP environments to ensure product purity and consistency.

Basic Information

Product Name	n-Acetyl-S-[4-(2-Pyridinyl)Benzyl]-L-Cysteine
CAS No.	1391068-09-9
Molecular Formula	C17H18N2O3S
Molecular Weight	330.40 g/mol
Synonyms	N-Acetyl-S-(4-(pyridin-2-yl)benzyl)-L-cysteine; N-Acetyl-S-(4-(2-pyridyl)benzyl)cysteine; Ac-Cys(PyBzl)-OH; L-Cysteine, N-acetyl-S-[4-(2-pyridinyl)benzyl]-; S-[4-(2-Pyridinyl)benzyl]-N-acetyl-L-cysteine; N-Acetyl-S-(4-(2-pyridyl)benzyl)-L-cysteine; 1391068-09-9; AC-PYBZL-CYS-OH
EINECS	Contact for details

Quality Control

Our n-Acetyl-S-[4-(2-Pyridinyl)Benzyl]-L-Cysteine is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity, NMR, and mass spectrometry for structural confirmation, to ensure it meets the high standards required for research and development. Certificates of Analysis (COA) with detailed chromatographic data are available upon request.

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 hygroscopic (moisture-sensitive); ensure the container is sealed tightly after each use to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC)	Conforms to reference standard
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
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.