Description

4-Chlorothioanisole is a versatile organosulfur compound featuring both a thioether and a chloro-substituted aromatic ring. This unique structure makes it a valuable chemical intermediate for synthesizing more complex molecules in advanced research and industrial manufacturing. It is primarily sought after by pharmaceutical and agrochemical industries for the development of active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of various drug candidates and active pharmaceutical ingredients (APIs), particularly those requiring a chlorinated thioanisole moiety.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and insecticides, where it serves as a precursor for compounds with specific biological activity.
• Ligand and Catalyst Preparation: Employed in organic and organometallic chemistry to create specialized ligands for catalysis and material science applications.
• Dye and Pigment Manufacturing: Acts as an intermediate in the synthesis of complex dyes and organic pigments.
• Research & Development: A valuable reagent for academic and industrial R&D in synthetic organic chemistry and medicinal chemistry projects.
• Fine Chemical Production: Serves as a precursor for other high-value, specialty chemicals used across multiple technology sectors.

Basic Information

Product Name	4-Chlorothioanisole
CAS No.	123-09-1
Molecular Formula	C7H7ClS
Molecular Weight	158.65 g/mol
Synonyms	1-Chloro-4-(methylthio)benzene; p-Chlorothioanisole; 4-Chlorophenyl methyl sulfide; Methyl 4-chlorophenyl sulfide; (4-Chlorophenyl)(methyl)sulfane; NSC 404087
EINECS	204-596-7

Quality Control

Our 4-Chlorothioanisole is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all specifications and test results to support your quality assurance protocols.

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 strong oxidizing agents and incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Related Substances (GC/HPLC)	Total impurities ≤ 2.0%
Density (at 20°C)	1.25 - 1.30 g/cm³

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