Description

Benzoyl Chloride, 2-Chloro-4-(Methylsulfonyl)- is a specialized organic synthesis intermediate, identified by CAS NO 106904-10-3. This compound is valued for its dual functional groups—a reactive benzoyl chloride moiety and a sulfonyl group—which make it a versatile building block for constructing complex molecules. It is primarily sought by R&D chemists and process engineers in the pharmaceutical and agrochemical industries for the development of new active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates, particularly those requiring sulfonyl or benzamide pharmacophores.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and insecticides where the chlorobenzoyl group is integral to biological activity.
• Material Science Research: Serves as a monomer or cross-linking agent in the development of specialty polymers and advanced functional materials.
• Organic Synthesis Reagent: Employed in academic and industrial laboratories for introducing the 2-chloro-4-(methylsulfonyl)benzoyl group into target molecules.
• Dye and Pigment Manufacturing: Acts as an intermediate in the synthesis of complex colorants and photoactive compounds.

Basic Information

Product Name	Benzoyl Chloride, 2-Chloro-4-(Methylsulfonyl)-
CAS No.	106904-10-3
Molecular Formula	C8H6Cl2O3S
Molecular Weight	253.10 g/mol
Synonyms	2-Chloro-4-(methylsulfonyl)benzoyl chloride; 4-(Methylsulfonyl)-2-chlorobenzoyl chloride; 2-Chloro-4-methanesulfonylbenzoyl chloride; Benzoyl chloride, 2-chloro-4-(methylsulfonyl)-; (2-Chloro-4-methanesulfonylphenyl)methanone chloride
EINECS	Contact for details

Quality Control

Our Benzoyl Chloride, 2-Chloro-4-(Methylsulfonyl)- is produced under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC and GC analysis, to ensure high purity and consistency. Certificates of Analysis (COA) documenting identity, assay, and impurity profiles are available for all commercial quantities, supporting your regulatory and R&D requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong bases, amines, and alcohols. Due to its nature as a strong acid/organic solvent, it should be handled with appropriate personal protective equipment in a controlled environment. Recommended long-term storage temperature is 2-8°C.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%

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