Description

(Phenylsulfonyl)Methyl 4-Methylbenzenesulfonate is a specialized sulfonate ester compound with the CAS number 31081-06-8, serving as a versatile building block in advanced organic synthesis. Its dual sulfonyl group structure makes it a valuable reagent for introducing sulfonylmethyl functionalities and for use in cross-coupling and polymerization reactions. This high-purity intermediate is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and materials science industries developing novel active ingredients and functional polymers.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates, particularly those requiring sulfonamide or sulfonate ester moieties for bioactivity.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and plant growth regulators.
• Polymer Chemistry: Acts as a monomer or cross-linking agent in the production of specialty polymers, including ion-exchange resins and high-performance materials.
• Organic Synthesis Reagent: Employed in palladium-catalyzed cross-coupling reactions (e.g., Suzuki, Heck) and as a sulfonylating agent in complex molecule construction.
• Ligand and Catalyst Development: Serves as a precursor for synthesizing specialized ligands used in homogeneous catalysis.
• Chemical Research: A valuable tool for academic and industrial R&D departments exploring new synthetic methodologies and reaction pathways.

Basic Information

Product Name	(Phenylsulfonyl)Methyl 4-Methylbenzenesulfonate
CAS No.	31081-06-8
Molecular Formula	C14H14O5S2
Molecular Weight	326.39 g/mol
Synonyms	4-Methylbenzenesulfonic Acid (Phenylsulfonyl)Methyl Ester; p-Toluenesulfonic Acid (Phenylsulfonyl)Methyl Ester; [(Phenylsulfonyl)methyl] 4-Methylbenzenesulfonate; (Phenylsulfonyl)methyl Tosylate; Tosyloxymethyl Phenyl Sulfone; Methylenebis(phenylsulfonate) derivative; 31081-06-8; (Phenylsulfonyl)methyl p-toluenesulfonate
EINECS	Contact for details

Quality Control

Every batch of (Phenylsulfonyl)Methyl 4-Methylbenzenesulfonate is manufactured and tested under a strict quality management system. We provide comprehensive analytical data to ensure the material meets the high standards required for research and commercial synthesis. A detailed Certificate of Analysis (COA) is supplied with each shipment, confirming identity, purity, and conformity to agreed specifications.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals	< 10 ppm
Residual Solvents (GC)	Complies with ICH guidelines

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