Description

5-Chloro-3-(4-Methoxyphenyl)Isoxazole is a versatile heterocyclic building block of significant interest in advanced organic synthesis. This compound matters for its role as a key intermediate in the development of novel active pharmaceutical ingredients (APIs) and agrochemicals. Pharmaceutical, agrochemical, and specialty chemical R&D teams need this high-purity intermediate to create new molecules with targeted biological activities.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of potential drug candidates, particularly those targeting central nervous system (CNS) disorders and inflammatory pathways.
• Agrochemical Synthesis: Used in the research and development of new herbicides and fungicides, leveraging the bioactivity of the isoxazole core.
• Material Science Research: Serves as a building block for creating novel organic electronic materials and liquid crystals due to its rigid, conjugated structure.
• Chemical Biology & Proteomics: Employed as a scaffold or tagging agent in the design of molecular probes and enzyme inhibitors for biochemical research.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for the production of client-specific target molecules.

Basic Information

Product Name	5-Chloro-3-(4-Methoxyphenyl)Isoxazole
CAS No.	25755-91-3
Molecular Formula	C10H8ClNO2
Molecular Weight	209.63 g/mol
Synonyms	5-Chloro-3-(4-methoxyphenyl)-1,2-oxazole; 3-(4-Methoxyphenyl)-5-chloroisoxazole; 5-Chloro-3-(p-methoxyphenyl)isoxazole; 25755-91-3; Isoxazole, 5-chloro-3-(4-methoxyphenyl)-; p-Methoxyphenyl 5-chloroisoxazole
EINECS	Contact for details

Quality Control

Our 5-Chloro-3-(4-Methoxyphenyl)Isoxazole is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via NMR and IR spectroscopy, to ensure it meets the high standards required for synthetic applications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment.

Storage

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

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%

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