Description

5-(5-Isoxazolyl)-2-Methyl-3-Thiophenesulfonyl Chloride is a high-purity sulfonyl chloride derivative, a critical building block in advanced organic synthesis. Its core value lies in its unique heterocyclic structure, enabling the introduction of a reactive sulfonyl chloride group into complex molecular frameworks. This compound is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries, particularly for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, especially those targeting specific enzyme inhibitors or receptor modulators.
• Agrochemical Research: Used in creating advanced herbicides, fungicides, and insecticides with novel modes of action.
• Material Science: Serves as a monomer or cross-linking agent for developing specialty polymers and functional materials.
• Chemical Biology: Employed as a probe or labeling reagent for studying protein interactions and biological pathways.
• Organic Synthesis: A versatile reagent for constructing complex heterocyclic compounds and sulfonamide libraries.

Basic Information

Product Name	5-(5-Isoxazolyl)-2-Methyl-3-Thiophenesulfonyl Chloride
CAS No.	1282484-31-4
Molecular Formula	C8H6ClNO3S2
Molecular Weight	263.72 g/mol
Synonyms	2-Methyl-5-(1,2-oxazol-5-yl)thiophene-3-sulfonyl chloride; 3-Thiophenesulfonyl chloride, 5-(5-isoxazolyl)-2-methyl-; 5-(1,2-Oxazol-5-yl)-2-methylthiophene-3-sulfonyl chloride; 5-(Isoxazol-5-yl)-2-methyl-3-thiophenesulfonyl chloride
EINECS	Contact for details

Quality Control

Our 5-(5-Isoxazolyl)-2-Methyl-3-Thiophenesulfonyl 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 structural identity. Certificates of Analysis (COA) with detailed specifications are provided to guarantee batch-to-batch consistency and traceability for research and development applications.

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 decomposition.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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