Description

Isoxazole, 4-(Chloromethyl)-3-Methoxy-5-Methyl- (9Ci) CAS NO 75989-22-9 is a versatile and highly functionalized heterocyclic building block. Its unique structure, featuring both a reactive chloromethyl group and methoxy substituent, makes it a critical intermediate for synthesizing complex molecules. This compound is essential for research and development chemists in the pharmaceutical and agrochemical industries seeking to create novel active ingredients.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly for central nervous system (CNS) and anti-infective agents.
• Agrochemical Synthesis: Used to construct advanced fungicides, herbicides, and insecticides with enhanced efficacy and selectivity.
• Material Science Research: Serves as a monomer or cross-linking agent in the development of specialty polymers and functional materials.
• Chemical Biology Probes: Employed in the design and synthesis of molecular probes for studying enzyme mechanisms and biological pathways.
• Ligand and Catalyst Development: Acts as a scaffold for creating novel ligands used in asymmetric catalysis and metal-organic frameworks (MOFs).
• Custom Synthesis & Contract Manufacturing: A vital starting material for fine chemical manufacturers offering bespoke synthesis services.

Basic Information

Item	Details
Product Name	Isoxazole, 4-(Chloromethyl)-3-Methoxy-5-Methyl- (9Ci)
CAS No.	75989-22-9
Molecular Formula	C6H8ClNO2
Molecular Weight	161.59 g/mol
Synonyms	4-(Chloromethyl)-3-methoxy-5-methylisoxazole; 3-Methoxy-5-methyl-4-isoxazolemethanol, chloride; 5-Methyl-3-methoxy-4-chloromethylisoxazole; 4-Chloromethyl-3-methoxy-5-methylisoxazole; 75989-22-9; 4-(Chloromethyl)-3-methoxy-5-methyl-1,2-oxazole
EINECS	Contact for details

Quality Control

Every batch of Isoxazole, 4-(Chloromethyl)-3-Methoxy-5-Methyl- (9Ci) is produced under stringent quality management protocols. We ensure compliance with relevant industry standards, and a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to guarantee traceability and consistency for your critical synthesis work.

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). Due to its hygroscopic nature, the container must be kept tightly sealed to exclude moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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