Description

2,1-Benzisoxazole,5-Chloro-(7Ci,8Ci,9Ci) is a specialized heterocyclic organic compound, a chlorinated benzisoxazole derivative, serving as a critical building block in advanced chemical synthesis. Its precise molecular architecture makes it a valuable intermediate for developing novel active pharmaceutical ingredients (APIs) and functional materials. This high-purity intermediate is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and material science industries seeking to innovate and scale complex molecular structures.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of new drug candidates, particularly for central nervous system (CNS) and anti-inflammatory targets.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and pesticides, leveraging its heterocyclic core for biological activity.
• Material Science Research: Serves as a precursor for organic electronic materials, such as OLEDs and conductive polymers, due to its fused ring system.
• Chemical Research & Development: A versatile building block for organic synthesis, enabling the construction of complex molecules for various industrial applications.
• Dye & Pigment Intermediate: Utilized in the synthesis of specialized dyes and pigments where the chlorobenzisoxazole moiety imparts specific color or stability properties.

Basic Information

Product Name	2,1-Benzisoxazole,5-Chloro-(7Ci,8Ci,9Ci)
CAS No.	4596-92-3
Molecular Formula	C7H4ClNO
Molecular Weight	153.56 g/mol
Synonyms	5-Chloro-2,1-benzisoxazole; 5-Chlorobenzisoxazole; 5-Chloro-1,2-benzisoxazole; 5-Chloro-2,1-benzoxazole; 5-Chloro-1,2-benzoxazole; 5-Chlorobenzo[d]isoxazole; 4596-92-3; 5-Chloro-benzo[d]isoxazole
EINECS	Contact for details

Quality Control

Our 2,1-Benzisoxazole,5-Chloro-(7Ci,8Ci,9Ci) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from incompatible materials and sources of ignition.

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.