Description

5-(3-Chlorophenyl)-Isoxazole-3 Carboxylic Acid Ethyl Ester is a high-purity, versatile chemical intermediate of significant importance in advanced organic synthesis. Its core value lies in its functionalized isoxazole ring and chlorophenyl moiety, which serve as key building blocks for constructing more complex molecular architectures. This compound is primarily needed by R&D chemists and process development scientists in the pharmaceutical and agrochemical industries for the development of new active ingredients.

Application

• Pharmaceutical Intermediate: A crucial building block in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders, inflammation, and infectious diseases.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides, leveraging its heterocyclic core for bioactivity.
• Material Science Precursor: Serves as a monomer or functionalizing agent in the synthesis of specialized polymers and advanced organic materials.
• Chemical Synthesis Scaffold: Employed in medicinal and combinatorial chemistry for library synthesis and structure-activity relationship (SAR) studies.
• Academic & Institutional Research: Used in university and government laboratories for fundamental studies in heterocyclic chemistry and reaction mechanism exploration.

Basic Information

Product Name	5-(3-Chlorophenyl)-Isoxazole-3 Carboxylic Acid Ethyl Ester
CAS No.	657424-77-6
Molecular Formula	C12H10ClNO3
Molecular Weight	251.67 g/mol
Synonyms	Ethyl 5-(3-chlorophenyl)isoxazole-3-carboxylate; 3-Isoxazolecarboxylic acid, 5-(3-chlorophenyl)-, ethyl ester; 5-(3-Chlorophenyl)-3-(ethoxycarbonyl)isoxazole; 5-(3-Chlorophenyl)isoxazole-3-carboxylic acid ethyl ester; 657424-77-6; Ethyl 5-(m-chlorophenyl)isoxazole-3-carboxylate
EINECS	Contact for details

Quality Control

Our 5-(3-Chlorophenyl)-Isoxazole-3 Carboxylic Acid Ethyl Ester is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency, meeting the high standards required for research and development 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 controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. The container should be kept tightly sealed to prevent moisture absorption.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
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.