Description

Benzenesulfonothioic Acid, 3-Ethoxy- (9Ci) is a specialized organosulfur compound featuring a sulfonothioic acid functional group. This chemical is valued for its role as a versatile synthetic intermediate and building block in advanced organic synthesis. It is primarily sought by R&D chemists and process development scientists in the pharmaceutical and agrochemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those requiring sulfonamide or thioether linkages.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and plant growth regulators.
• Material Science Research: Serves as a precursor for functionalized polymers or ligands in catalyst systems.
• Chemical Biology Probes: Utilized in the development of biochemical tools and probes for studying enzyme inhibition or protein interactions.
• Fine Chemical Production: Intermediate for the manufacture of dyes, pigments, and other specialty chemicals.

Basic Information

Product Name	Benzenesulfonothioic Acid, 3-Ethoxy- (9Ci)
CAS No.	743375-06-6
Molecular Formula	C8H10O3S2
Molecular Weight	218.30 g/mol
Synonyms	3-Ethoxybenzenesulfonothioic Acid; 3-Ethoxybenzenesulfonothioic acid (9CI); 1-Ethoxy-3-sulfothiobenzene; Benzenesulfonothioic acid, 3-ethoxy-; 743375-06-6; 3-Ethoxybenzene-1-sulfonothioic acid
EINECS	Contact for details

Quality Control

Our Benzenesulfonothioic Acid, 3-Ethoxy- (9Ci) is produced under strict quality management protocols. Each batch is analyzed to ensure high purity and consistency, meeting the stringent requirements for research and process chemistry. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to guarantee traceability and reliability for your critical applications.

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 compound is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to exclude moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (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.