Description

2-(Acetylsulfanyl)Ethanesulphonic is a specialized organosulfur compound featuring both acetylthio and sulfonic acid functional groups. This unique bifunctional structure makes it a valuable intermediate for synthesizing more complex molecules, particularly in pharmaceutical and fine chemical research. It is primarily sought by R&D chemists and process development scientists working in medicinal chemistry, agrochemicals, and material science applications.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), especially those requiring thioether or sulfonate linkages.
• Bioconjugation Reagent: Used in the modification of proteins, peptides, and other biomolecules due to its reactive thioester and sulfonic acid groups.
• Polymer Chemistry: Serves as a monomer or functionalization agent for creating specialty polymers with specific ionic or hydrophilic properties.
• Catalyst Ligand Synthesis: Precursor for designing novel ligands used in transition metal catalysis.
• Chemical Research: Versatile reagent in organic synthesis for introducing protected thiol or sulfonate moieties.
• Agrochemical Development: Intermediate in the research and production of novel herbicides, fungicides, or plant growth regulators.

Basic Information

Product Name	2-(Acetylsulfanyl)Ethanesulphonic
CAS No.	69536-71-6
Molecular Formula	C4H8O4S2
Molecular Weight	184.23 g/mol
Synonyms	2-(Acetylthio)ethanesulfonic acid; S-Acetyl-2-mercaptoethanesulfonic acid; Acetylthioethanesulfonic acid; 2-Mercaptoethanesulfonic acid S-acetate; Acetyl-MESNA; (Acetylsulfanyl)ethanesulfonic acid; 2-(Acetylsulfanyl)ethane-1-sulfonic acid
EINECS	Contact for details

Quality Control

Our 2-(Acetylsulfanyl)Ethanesulphonic is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets the high standards required for research and development. Certificates of Analysis (COA) with detailed batch-specific data are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and should be handled under anhydrous conditions to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.