Description

n-Acetyl-S-Benzyl-Dl-Cysteine is a chemically modified derivative of the amino acid cysteine, featuring both acetyl and benzyl protecting groups. This compound is a valuable intermediate and building block in organic synthesis and pharmaceutical research, particularly for studying cysteine's role in biological systems. It is primarily utilized by research institutions, pharmaceutical developers, and fine chemical manufacturers engaged in peptide chemistry and biochemical studies.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the research and synthesis of novel drug candidates and peptide-based therapeutics.
• Biochemical Research: Used as a substrate or inhibitor in enzymatic studies to investigate the function of cysteine proteases and other enzymes.
• Peptide Synthesis: Acts as a protected cysteine derivative in solid-phase and solution-phase peptide synthesis to prevent unwanted side reactions.
• Reference Standard: Employed as an analytical standard in HPLC, LC-MS, and other chromatographic methods for quality control and method development.
• Chemical Biology Probes: Utilized in the development of activity-based probes to study protein function and interactions within cells.
• Antioxidant Studies: Investigated in research models for its potential role as a precursor to glutathione or other antioxidants.

Basic Information

Product Name	n-Acetyl-S-Benzyl-Dl-Cysteine
CAS No.	19538-71-7
Molecular Formula	C12H15NO3S
Molecular Weight	253.32 g/mol
Synonyms	N-Acetyl-S-benzyl-DL-cysteine; N-Acetyl-S-benzylcysteine; N-Acetyl-3-(benzylthio)alanine; DL-N-Acetyl-S-benzylcysteine; Ac-Cys(Bzl)-OH; NSC 3349; (RS)-2-Acetamido-3-(benzylthio)propanoic acid; 2-(Acetylamino)-3-[(phenylmethyl)thio]propanoic acid
EINECS	243-148-1

Quality Control

Our n-Acetyl-S-Benzyl-Dl-Cysteine is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity, identity confirmation by IR and NMR, and residual solvent analysis. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to ensure traceability and compliance with your research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). The product is hygroscopic (moisture-sensitive); ensure the container is sealed after each use to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 10 ppm
Residual Solvents (GC)	Complies with ICH guidelines

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