Description

[(3-Chlorophenyl)Sulfonyl]Methyl 4-Methylbenzenesulfonate is a specialized organic sulfonate ester, a high-purity chemical intermediate of significant interest in advanced synthesis. Its core value lies in its dual sulfonyl functionality, which makes it a versatile electrophile and protecting group precursor for constructing complex molecules. This compound is primarily needed by research and development chemists and process engineers in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of sulfonamide-based drug candidates, including enzyme inhibitors and receptor antagonists.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and insecticides that incorporate sulfonyl groups for enhanced activity.
• Polymer Chemistry: Serves as a monomer or cross-linking agent in the production of specialty polymers with specific sulfonate functionalities.
• Material Science Research: Employed in surface modification and the creation of advanced organic materials with tailored properties.
• Chemical Biology: Utilized as a probe or labeling reagent in proteomics and bioconjugation studies due to its reactive sulfonate ester group.
• Fine Chemical Production: Acts as a precursor for other valuable sulfonyl-containing compounds in custom synthesis and contract manufacturing.

Basic Information

Product Name	[(3-Chlorophenyl)Sulfonyl]Methyl 4-Methylbenzenesulfonate
CAS No.	31081-07-9
Molecular Formula	C14H13ClO5S2
Molecular Weight	360.83 g/mol
Synonyms	(3-Chlorophenyl)sulfonylmethyl 4-methylbenzenesulfonate; Tosyloxymethyl 3-chlorophenyl sulfone; p-Toluenesulfonic acid [(3-chlorophenyl)sulfonyl]methyl ester; [(3-Chlorophenyl)sulfonyl]methyl tosylate; Methyl(3-chlorophenyl)sulfone p-toluenesulfonate; 3-Chlorobenzenesulfonylmethyl tosylate; Contact for details on additional trade names.
EINECS	Contact for details

Quality Control

Our production of [(3-Chlorophenyl)Sulfonyl]Methyl 4-Methylbenzenesulfonate adheres to stringent quality management protocols to ensure batch-to-batch consistency and reliability for your critical syntheses. Each lot undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR. A detailed Certificate of Analysis (COA) documenting all specifications is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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