Description

3-Isoxazolecarboxylicacid,5-Chloro-4-Methyl-(7Ci,9Ci) is a high-purity heterocyclic building block of significant interest in advanced organic synthesis. This compound matters as a versatile precursor for developing novel active pharmaceutical ingredients (APIs) and agrochemicals, enabling the construction of complex molecular architectures. It is primarily needed by research institutions and industrial R&D departments in the pharmaceutical, agrochemical, and specialty chemical sectors for creating new compounds with targeted biological activities.

Application

• Pharmaceutical Intermediate: A key synthon for the research and development of new drug candidates, particularly in medicinal chemistry programs.
• Agrochemical Synthesis: Used in the creation of novel herbicides, fungicides, and insecticides, leveraging its heterocyclic core.
• Chemical Research: Serves as a fundamental building block in academic and industrial laboratories for exploring new chemical reactions and synthesizing complex heterocycles.
• Material Science Precursor: Potential use in the synthesis of specialized polymers or ligands for catalytic systems.

Basic Information

Product Name	3-Isoxazolecarboxylicacid,5-Chloro-4-Methyl-(7Ci,9Ci)
CAS No.	3357-01-5
Molecular Formula	C5H4ClNO3
Molecular Weight	161.54 g/mol
Synonyms	5-Chloro-4-methyl-1,2-oxazole-3-carboxylic acid; 5-Chloro-4-methylisoxazole-3-carboxylic acid; 5-Chloro-4-methyl-3-isoxazolecarboxylic acid; 3-Carboxy-5-chloro-4-methylisoxazole; 3357-01-5; 5-Chloro-4-methyl-3-carboxyisoxazole; 4-Methyl-5-chloroisoxazole-3-carboxylic acid
EINECS	Contact for details

Quality Control

Our 3-Isoxazolecarboxylicacid,5-Chloro-4-Methyl-(7Ci,9Ci) is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets high-purity standards suitable for research and development applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is available upon request to support your quality assurance protocols.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
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.