Description

3-Chloro-2-Methylthiophenol is a versatile organosulfur compound featuring a thiophenol core substituted with chloro and methyl groups. This structure makes it a valuable intermediate for synthesizing more complex molecules, particularly in the pharmaceutical and agrochemical sectors. It is primarily sought after by research chemists and process development teams for constructing heterocyclic compounds and active pharmaceutical ingredients (APIs). Its reactivity profile offers a strategic pathway for introducing sulfur-containing functionalities into target molecules.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates, especially those containing benzothiophene or related heterocyclic scaffolds.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and fungicides where the thiophenol moiety is integral to biological activity.
• Material Science: Serves as a precursor for specialty chemicals, including ligands for catalysis and monomers for high-performance polymers.
• Chemical Research: Employed in academic and industrial R&D for method development and exploring new synthetic routes involving sulfur chemistry.
• Flavor & Fragrance Industry: Potential intermediate for synthesizing certain sulfur-containing aroma compounds, subject to specific purity grades.

Basic Information

Product Name	3-Chloro-2-Methylthiophenol
CAS No.	53249-76-6
Molecular Formula	C7H7ClS
Molecular Weight	158.65 g/mol
Synonyms	2-Methyl-3-chlorobenzenethiol; 3-Chloro-o-toluenethiol; 3-Chloro-2-methylbenzenethiol; 2-Methyl-3-chlorothiophenol; (3-Chloro-2-methylphenyl)thiol; Benzenethiol, 3-chloro-2-methyl-; 3-Chloro-2-toluenethiol
EINECS	Contact for details

Quality Control

Our 3-Chloro-2-Methylthiophenol is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chromatography (HPLC/GC) and spectroscopic methods, to ensure identity, purity, and consistency. We provide full traceability and Certificates of Analysis (COA) are available for every shipment, detailing all critical quality parameters. Our quality commitment aligns with cGMP principles for pharmaceutical intermediates.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This material is light-sensitive and easily oxidized; for long-term storage, consider an inert atmosphere (e.g., nitrogen or argon blanket) to maintain optimal purity. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Related Substances (HPLC)	Total impurities ≤ 3.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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