Description

1,2-Benzisoxazole,3-Chloro-5-Methyl-(9Ci) CAS NO 196708-35-7 is a high-purity, halogenated benzisoxazole derivative serving as a critical advanced pharmaceutical intermediate and versatile organic synthesis building block. Its unique molecular structure makes it an essential precursor for developing novel active pharmaceutical ingredients (APIs), particularly in the fields of central nervous system (CNS) agents and anti-infective drugs. This compound is primarily utilized by pharmaceutical R&D teams, contract research and manufacturing organizations (CROs/CMOs), and specialty chemical producers.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel antipsychotic and neuroleptic drug candidates.
• Agrochemical Research: Used in the development of new-generation herbicides and fungicides with specific mode-of-action targets.
• Material Science: Serves as a monomer or functional additive in the synthesis of specialty polymers and advanced organic electronic materials.
• Organic Synthesis: A versatile reagent for constructing complex heterocyclic frameworks in medicinal and process chemistry.
• Chemical Biology: Employed as a molecular probe or tag in biochemical research and diagnostic assay development.
• Academic & Industrial R&D: Used in research laboratories for method development and exploring new chemical entities.

Basic Information

Product Name	1,2-Benzisoxazole,3-Chloro-5-Methyl-(9Ci)
CAS No.	196708-35-7
Molecular Formula	C8H6ClNO
Molecular Weight	167.59 g/mol
Synonyms	3-Chloro-5-methyl-1,2-benzisoxazole; 5-Methyl-3-chlorobenzisoxazole; 3-Chloro-5-methylbenzo[d]isoxazole; 1,2-Benzisoxazole, 3-chloro-5-methyl-; 3-Chloro-5-methyl-1,2-benzoxazole; 196708-35-7; 3-Cl-5-Me-Benzisoxazole
EINECS	Contact for details

Quality Control

Our 1,2-Benzisoxazole,3-Chloro-5-Methyl-(9Ci) is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, GC, NMR, and mass spectrometry, to ensure high chemical purity and structural identity. We provide full traceability and detailed Certificates of Analysis (COA) with every shipment. Our production adheres to cGMP guidelines where applicable, ensuring consistency and reliability for critical R&D and scale-up processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. This material is moisture-sensitive; ensure containers are kept tightly sealed to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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