Description

5-Chloro-1,2-Benzisoxazol-3(2H)-One is a versatile heterocyclic organic compound that serves as a critical building block in advanced chemical synthesis. Its value lies in its unique fused isoxazolone structure, which provides a reactive scaffold for constructing more complex molecules with targeted biological or material properties. This intermediate is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries, particularly for developing active ingredients and novel chemical entities.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of various active pharmaceutical ingredients (APIs), particularly those targeting central nervous system (CNS) disorders.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and insecticides, leveraging its heterocyclic core.
• Organic Synthesis Building Block: Employed in academic and industrial R&D for constructing complex heterocyclic compounds and fine chemicals.
• Material Science Research: Investigated as a monomer or additive for creating specialized polymers with unique thermal or optical properties.
• Biochemical Probe Development: Serves as a scaffold for developing enzyme inhibitors or molecular probes in life science research.

Basic Information

Product Name	5-Chloro-1,2-Benzisoxazol-3(2H)-One
CAS No.	24603-63-2
Molecular Formula	C7H4ClNO2
Molecular Weight	169.56 g/mol
Synonyms	5-Chloro-1,2-benzisoxazol-3-ol; 5-Chloro-3-hydroxy-1,2-benzisoxazole; 3-Hydroxy-5-chloro-1,2-benzisoxazole; 5-Chloro-3H-1,2-benzisoxazol-3-one; 5-Chlorobenzisoxazolone; 5-Chloro-2,1-benzisoxazol-3(1H)-one; 5-Chloro-1,2-benzisoxazol-3-one
EINECS	Contact for details

Quality Control

Our 5-Chloro-1,2-Benzisoxazol-3(2H)-One is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets the high standards required for research and synthesis applications. Certificates of Analysis (COA) detailing all specifications are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and strong bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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