Description

3,4-Dichlorothioanisole is a versatile halogenated thioanisole derivative, serving as a critical synthetic intermediate in advanced organic chemistry. Its value lies in its unique molecular structure, which provides a reactive scaffold for constructing complex molecules in high-value sectors. This compound is primarily needed by R&D chemists and process development scientists within the pharmaceutical, agrochemical, and specialty chemical industries for applications such as active pharmaceutical ingredient (API) synthesis and the development of novel crop protection agents.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates, particularly those requiring a substituted thioanisole core structure.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, where the dichloro-substituted aromatic ring is essential for bioactivity.
• Ligand and Catalyst Preparation: Serves as a precursor for synthesizing specialized ligands used in transition metal catalysis and asymmetric synthesis.
• Material Science Research: Employed in the development of organic electronic materials and advanced polymers due to its electron-rich sulfur moiety.
• Custom Synthesis and Contract Manufacturing: A high-purity starting material for custom chemical synthesis services catering to R&D and pilot-scale production.
• Chemical Reference Standard: Used as an analytical standard in quality control laboratories for method development and impurity profiling.

Basic Information

Product Name	3,4-Dichlorothioanisole
CAS No.	17733-23-2
Molecular Formula	C7H6Cl2S
Molecular Weight	193.09 g/mol
Synonyms	1,2-Dichloro-4-(methylthio)benzene; 3,4-Dichlorophenyl Methyl Sulfide; 4-Methylthio-1,2-dichlorobenzene; 1,2-Dichloro-4-methylthiobenzene; Methyl 3,4-dichlorophenyl sulfide; 3,4-Dichloro-thioanisole; 3,4-Dichlorophenyl methyl thioether
EINECS	Contact for details

Quality Control

Our 3,4-Dichlorothioanisole is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. We provide comprehensive analytical documentation, including Certificates of Analysis (COA) detailing purity, identity, and impurity profiles via validated methods such as HPLC, GC, and NMR. Our quality commitment aligns with cGMP principles where applicable, supporting its use in regulated research and development.

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). Keep away from strong oxidizing agents and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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