Description

3-(1,3-Oxazol-5-Yl)Benzenesulfonyl Chloride, 95+% is a high-purity sulfonyl chloride derivative, a crucial building block in modern synthetic organic chemistry. Its core value lies in its dual functionality, serving as a versatile electrophile for sulfonamide formation and a heterocyclic component for constructing complex molecular architectures. This compound is essential for researchers and process chemists in the pharmaceutical and agrochemical industries, where it is used to develop new active ingredients and advanced intermediates.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly those targeting enzyme inhibition via sulfonamide pharmacophores.
• Agrochemical Synthesis: Used in the development of new herbicides, fungicides, and insecticides that require the incorporation of sulfonyl and oxazole moieties for enhanced bioactivity.
• Material Science Research: Serves as a monomer or cross-linking agent in the development of specialty polymers and functional materials.
• Chemical Biology Probes: Employed in the creation of activity-based probes and affinity labels for studying protein function and interaction.
• Custom Synthesis & Contract Manufacturing: A critical starting material for custom synthesis houses and CDMOs (Contract Development and Manufacturing Organizations) serving the life sciences sector.
• Academic & R&D Laboratories: Fundamental reagent for methodological development and exploring new chemical reactions in heterocyclic and organosulfur chemistry.

Basic Information

Product Name	3-(1,3-Oxazol-5-Yl)Benzenesulfonyl Chloride, 95+%
CAS No.	499770-75-1
Molecular Formula	C9H6ClNO3S
Molecular Weight	243.67 g/mol
Synonyms	5-(3-Chlorosulfonylphenyl)oxazole; 3-(Oxazol-5-yl)benzenesulfonyl chloride; 3-(1,3-Oxazol-5-yl)benzene-1-sulfonyl chloride; 5-(3-Chlorosulfonylphenyl)-1,3-oxazole; Benzenesulfonyl chloride, 3-(5-oxazolyl)-; 3-(Oxazolyl-5)benzenesulfonyl chloride; 3-(1,3-Oxazol-5-yl)phenylsulfonyl chloride
EINECS	Contact for details

Quality Control

Our 3-(1,3-Oxazol-5-Yl)Benzenesulfonyl Chloride is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure the 95+% minimum purity and identity are consistently met. Certificates of Analysis (COA) with detailed chromatographic data are provided for traceability and to support your regulatory and R&D documentation 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 and reactivity as a strong acid/organic solvent derivative, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent hydrolysis and degradation. Keep away from heat, sparks, open flames, and incompatible materials such as strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 95.0%
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.