Description

Methyl Mercapturate Episulfonium Ion is a specialized organosulfur compound characterized by its reactive episulfonium ion moiety. This high-purity intermediate is critical for advanced organic synthesis, particularly in the development of novel pharmaceuticals and biochemical probes. It is primarily utilized by research institutions and industrial R&D departments focused on medicinal chemistry, proteomics, and the synthesis of targeted covalent inhibitors.

Application

• Pharmaceutical Intermediate: Key building block for synthesizing covalent drug candidates that target specific cysteine residues in proteins.
• Bioconjugation Reagent: Used in proteomics and chemical biology for site-specific labeling and modification of biomolecules.
• Medicinal Chemistry Research: Enables the study of enzyme mechanisms and the development of activity-based probes (ABPs).
• Precursor for Sulfur-Containing Heterocycles: Serves as a versatile electrophile in the synthesis of complex sulfur-based ring systems.
• Material Science: Potential applications in the development of novel polymers and functional materials with specific sulfur-based linkages.

Basic Information

Product Name	Methyl Mercapturate Episulfonium Ion
CAS No.	114301-30-3
Molecular Formula	C6H10NO3S+
Molecular Weight	176.21 g/mol
Synonyms	S-(N-Acetylcystein-S-yl)methyl Sulfonium Ion; Methylmercapturic Acid Sulfonium Ion; N-Acetyl-S-(methylsulfonium)-L-cysteine; Episulfonium Ion of Methyl Mercapturate; Reactive Methyl Mercapturate Metabolite; S-Methyl-N-acetylcysteine Sulfonium; 2-(Acetylamino)-3-[(methylsulfonio)thio]propanoate
EINECS	Contact for details

Quality Control

Our Methyl Mercapturate Episulfonium Ion is manufactured under strict quality management systems. Each batch is subjected to comprehensive analytical testing, including NMR, HPLC, and mass spectrometry, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 2-8°C. Due to its hygroscopic (moisture-sensitive) nature, the container should be kept sealed under an inert atmosphere when not in use to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 2.0%
Residual Solvents (GC)	Meets ICH guidelines

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