Description

4-(Methylsulfonyl)Benzoyl Chloride is a high-purity, reactive organic intermediate essential for advanced chemical synthesis. Its value lies in the versatile methylsulfonyl and acid chloride functional groups, enabling precise derivatization for creating complex molecules. This compound is primarily needed by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for developing active ingredients and novel materials.

Application

• Pharmaceutical Intermediate: Key building block for synthesizing sulfonamide-based drug candidates, including kinase inhibitors and other targeted therapies.
• Agrochemical Synthesis: Used in the production of advanced herbicides and fungicides, where the methylsulfonyl moiety enhances biological activity.
• Ligand and Catalyst Development: Serves as a precursor for creating specialized ligands used in asymmetric catalysis and metal-organic frameworks (MOFs).
• Polymer Chemistry: Employed in the synthesis of high-performance polymers and functional materials, such as polyamides and polyesters with specific sulfone properties.
• Organic Synthesis Reagent: A versatile reagent for introducing the 4-(methylsulfonyl)benzoyl group into various molecular scaffolds via acylations and nucleophilic substitutions.
• Dye and Pigment Manufacturing: Intermediate for producing specialized dyes and pigments with improved stability and color fastness.

Basic Information

Product Name	4-(Methylsulfonyl)Benzoyl Chloride
CAS No.	40913-92-6
Molecular Formula	C8H7ClO3S
Molecular Weight	218.66 g/mol
Synonyms	4-(Methanesulfonyl)benzoyl chloride; p-(Methylsulfonyl)benzoyl chloride; 4-Methylsulfonylbenzoyl chloride; Benzoic acid, 4-(methylsulfonyl)-, chloride; 4-Methanesulphonylbenzoyl chloride; p-Methanesulfonylbenzoyl chloride; 4-(Methylsulfonyl)-benzoic acid chloride
EINECS	Contact for details

Quality Control

Our 4-(Methylsulfonyl)Benzoyl Chloride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure high chemical purity and identity. Certificates of Analysis (COA) with detailed specifications are provided for every shipment to guarantee traceability and compliance with customer requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and reacts with water, strong bases, and alcohols. Keep the container tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent degradation from moisture. Store away from incompatible materials such as strong acids, organic solvents, and oxidizing agents.

Specification

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

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