Description

Phenylthiocarbamyl-S-Ethylcysteine is a specialized derivative of cysteine, primarily used as a key intermediate in peptide synthesis and biochemical research. This compound is valued for its role in modifying peptide structures and studying protein interactions, offering researchers a tool for advanced chemical biology applications. It is essential for pharmaceutical R&D laboratories, academic institutions, and fine chemical manufacturers focused on developing novel therapeutic agents and diagnostic tools.

Application

• Peptide Synthesis Intermediate: Used as a building block in the solid-phase and solution-phase synthesis of modified peptides.
• Biochemical Research: Serves as a reagent for studying protein structure, function, and post-translational modifications.
• Pharmaceutical Development: Employed in the research and development of new drug candidates, particularly those targeting cysteine proteases or requiring specific thiol modifications.
• Proteomics & Mass Spectrometry: Acts as a standard or derivatization agent in analytical techniques for protein identification and quantification.
• Chemical Biology Probes: Utilized in the creation of activity-based probes to investigate enzyme mechanisms and pathways.
• Fine Chemical Manufacturing: A key precursor for the production of more complex, high-value specialty chemicals and active pharmaceutical ingredients (APIs).

Basic Information

Product Name	Phenylthiocarbamyl-S-Ethylcysteine
CAS No.	118573-61-8
Molecular Formula	C₁₂H₁₆N₂O₂S₂
Molecular Weight	284.40 g/mol
Synonyms	PTC-EtCys; S-Ethylcysteine Phenylthiocarbamyl Derivative; N-Phenylthiocarbamoyl-S-ethylcysteine; (R)-2-Amino-3-(ethylthio)-N-phenylcarbamothioylpropanoic Acid; Phenylthiocarbamyl Ethylcysteine; Phenylthiocarbamoyl-S-ethyl-L-cysteine; L-Cysteine, S-ethyl-, N-(phenylcarbamothioyl)-; Phenylthiocarbamyl Ethyl Cysteine
EINECS	Contact for details

Quality Control

Our Phenylthiocarbamyl-S-Ethylcysteine is manufactured under strict quality control protocols to ensure high purity and batch-to-batch consistency, suitable for sensitive research and development applications. Each lot is analyzed using advanced chromatographic and spectroscopic methods. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request to support your quality assurance and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after each use to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.1%
Specific Rotation	Contact for details

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