Description

Toluene-4-Sulfonic Acid Oxetan-3-Yl Ester CAS NO 26272-83-3 is a specialized sulfonate ester derivative, serving as a versatile and reactive chemical building block in advanced organic synthesis. Its core value lies in its ability to act as an effective alkylating or functionalizing agent, particularly for introducing the oxetane moiety, a valuable four-membered heterocycle. This compound is essential for researchers and process chemists in the pharmaceutical and agrochemical industries, where it is used to construct complex molecular architectures and develop novel active ingredients.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of active pharmaceutical ingredients (APIs), particularly those containing oxetane rings for improved metabolic stability and solubility.
• Agrochemical Synthesis: Used in the research and production of advanced herbicides, fungicides, and insecticides, where the oxetane group can enhance biological activity.
• Polymer Chemistry: Serves as a monomer or cross-linking agent in the development of specialty polymers with unique thermal or mechanical properties.
• Material Science: Employed in the surface functionalization of materials and in the creation of advanced coatings and adhesives.
• Chemical Research: A valuable reagent in academic and industrial R&D for exploring new synthetic methodologies and constructing complex, strained heterocycles.
• Ligand and Catalyst Development: Used to synthesize novel ligands and organocatalysts for asymmetric synthesis and other catalytic processes.

Basic Information

Product Name	Toluene-4-Sulfonic Acid Oxetan-3-Yl Ester
CAS No.	26272-83-3
Molecular Formula	C10H12O4S
Molecular Weight	228.27 g/mol
Synonyms	3-Oxetanyl 4-Methylbenzenesulfonate; Oxetan-3-yl Tosylate; 3-Hydroxyoxetane Tosylate; p-Toluenesulfonic Acid Oxetan-3-Yl Ester; 4-Methylbenzenesulfonic Acid Oxetan-3-Yl Ester; 3-Tosyloxyoxetane; Tosyl Oxetanol
EINECS	Contact for details

Quality Control

Our Toluene-4-Sulfonic Acid Oxetan-3-Yl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements for advanced synthetic applications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment and are available upon request.

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). This product is hygroscopic (moisture-sensitive); ensure containers are kept tightly sealed to exclude moisture.

Specification

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

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