Description

2-[(4-Methoxyphenyl)Sulfonyl]-3-Phenyl-5(2H)-Isoxazolone CAS NO 303987-11-3 is a specialized heterocyclic sulfonyl compound that serves as a high-value synthetic intermediate. Its unique molecular architecture, featuring both an isoxazolone ring and a methoxyphenylsulfonyl moiety, makes it a critical building block for advanced chemical synthesis. This compound is primarily utilized by research institutions and industrial R&D departments focused on developing novel pharmaceuticals, agrochemicals, and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly those targeting enzyme inhibition or possessing specific biological activity profiles.
• Agrochemical Research: Used in the development of new herbicides, fungicides, or plant growth regulators, leveraging its reactive isoxazolone core.
• Organic Synthesis Building Block: Employed in constructing complex heterocyclic systems and for introducing the sulfonyl functional group in medicinal chemistry.
• Material Science Research: Potential monomer or additive in the development of specialty polymers with tailored properties.
• Chemical Biology Probe: Utilized in academic and industrial research to study biological pathways and protein interactions.

Basic Information

Product Name	2-[(4-Methoxyphenyl)Sulfonyl]-3-Phenyl-5(2H)-Isoxazolone
CAS No.	303987-11-3
Molecular Formula	C₁₆H₁₃NO₅S
Molecular Weight	331.34 g/mol
Synonyms	3-Phenyl-2-[(4-methoxyphenyl)sulfonyl]-5(2H)-isoxazolone; 2-(4-Methoxybenzenesulfonyl)-3-phenyl-2H-isoxazol-5-one; 5(2H)-Isoxazolone, 2-[(4-methoxyphenyl)sulfonyl]-3-phenyl-; 2-(p-Methoxybenzenesulfonyl)-3-phenyl-5-isoxazolone; 303987-11-3; 3-Phenyl-2-(4-methoxy-phenylsulfonyl)-5-isoxazolone
EINECS	Contact for details

Quality Control

Our 2-[(4-Methoxyphenyl)Sulfonyl]-3-Phenyl-5(2H)-Isoxazolone is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the stringent requirements of research and development applications. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting batch-specific results.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed in a dry environment to prevent degradation. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals	≤ 20 ppm

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