Description

3-Chlorothioanisole is a versatile organosulfur building block characterized by a chlorine-substituted thioanisole structure. This compound is valued for its role as a key synthetic intermediate in the production of more complex molecules, particularly in the pharmaceutical and agrochemical sectors. Industries requiring high-purity chemical intermediates for research, development, and manufacturing will find this product essential for constructing active pharmaceutical ingredients (APIs) and advanced crop protection agents.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of various active pharmaceutical ingredients (APIs), especially those containing thioether and aryl chloride functionalities.
• Agrochemical Synthesis: Serves as a building block for developing herbicides, fungicides, and insecticides, leveraging its reactive chlorine and sulfur sites.
• Material Science Research: Used in the development of novel organic materials, including liquid crystals and polymers, where the thioanisole moiety is incorporated.
• Organic Synthesis & Catalysis: Acts as a substrate or ligand in cross-coupling reactions (e.g., Suzuki, Buchwald-Hartwig) and other catalytic processes in fine chemical manufacturing.
• Dye and Pigment Industry: Employed as an intermediate in the synthesis of specialized dyes and pigments that require specific sulfur-containing aromatic structures.

Basic Information

Product Name	3-Chlorothioanisole
CAS No.	25697-57-8
Molecular Formula	C7H7ClS
Molecular Weight	158.65 g/mol
Synonyms	1-Chloro-3-(methylthio)benzene; 3-Chlorophenyl Methyl Sulfide; m-Chlorothioanisole; Methyl 3-Chlorophenyl Sulfide; (3-Chlorophenyl)(methyl)sulfane; 3-(Methylthio)chlorobenzene
EINECS	Contact for details

Quality Control

Our 3-Chlorothioanisole is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including chromatography (HPLC, GC) and spectroscopic methods (IR, NMR), to ensure high purity and consistency. Certificates of Analysis (COA) detailing identity, assay, and impurity profiles are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, prolonged exposure to light should be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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