Description

Pth-Cysteic Acid Sodium Salt is a chemically modified derivative of cysteic acid, widely used as a key intermediate and analytical standard in biochemical research and pharmaceutical development. This compound is valued for its role in peptide synthesis and protein chemistry, particularly in processes involving amino acid analysis and modification. It serves critical functions for researchers and manufacturers in the pharmaceutical, biotechnology, and life science sectors requiring high-purity biochemical reagents.

Application

• Pharmaceutical Intermediate: Used in the synthesis of specialized peptides and active pharmaceutical ingredients (APIs).
• Biochemical Research: Serves as a crucial reagent and standard in amino acid analysis, protein sequencing, and proteomics studies.
• Peptide Synthesis: Employed as a protected or modified amino acid derivative in solid-phase and solution-phase peptide synthesis.
• Analytical Standard: Acts as a high-purity reference standard for HPLC, LC-MS, and other chromatographic methods in quality control laboratories.
• Proteomics & Metabolomics: Utilized in sample preparation and labeling techniques for mass spectrometry-based analysis.
• Enzyme Substrate Studies: Applied in research investigating enzyme mechanisms and kinetics involving sulfur-containing amino acids.

Basic Information

Product Name	Pth-Cysteic Acid Sodium Salt
CAS No.	108321-85-3
Molecular Formula	C9H9N2NaO5S
Molecular Weight	280.23 g/mol
Synonyms	PTH-Cysteic Acid Sodium Salt; 3-[(Phenylamino)carbonyl]-L-cysteic Acid Sodium Salt; Sodium (2R)-2-amino-3-[(anilinocarbonyl)oxy]-3-oxopropane-1-sulfonate; Phenylthiocarbamoyl-Cysteic Acid Sodium Salt; PTC-Cysteic Acid Na Salt; Edman Degradation Reagent; Amino Acid Derivatization Reagent; N-Phenylthiocarbamoyl-L-cysteic Acid Sodium Salt
EINECS	Contact for details

Quality Control

Our Pth-Cysteic Acid Sodium Salt is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for research and synthesis. Certificates of Analysis (COA) with detailed chromatographic data are provided for every shipment, ensuring full traceability and compliance with your internal quality protocols.

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 kept tightly sealed in a low-humidity environment to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.5%

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