Description

3-Chloro-4-Methylisothiazole is a versatile heterocyclic building block of significant importance in advanced organic synthesis. Its core value lies in its reactive chloro and methyl substituents on the isothiazole ring, making it a key intermediate for constructing complex molecules. This compound is primarily needed by R&D and production teams in the pharmaceutical and agrochemical industries for developing active ingredients, as well as by researchers in material science.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of novel drug candidates, particularly those with antimicrobial or anti-inflammatory properties.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and fungicides, leveraging the bioactivity of the isothiazole core.
• Material Science Research: Serves as a monomer or functionalizing agent in the development of specialty polymers and functional materials.
• Dye and Pigment Manufacturing: Acts as an intermediate for creating heterocyclic dyes with specific colorfastness and stability properties.
• Organic Synthesis Building Block: Employed in cross-coupling reactions, nucleophilic substitutions, and cyclization reactions to create diverse chemical libraries.
• Corrosion Inhibitor Formulation: Used in the development of high-performance corrosion inhibitors for industrial applications.

Basic Information

Product Name	3-Chloro-4-Methylisothiazole
CAS No.	1072-56-6
Molecular Formula	C4H4ClNS
Molecular Weight	133.60 g/mol
Synonyms	3-Chloro-4-methyl-1,2-thiazole; 4-Methyl-3-chloroisothiazole; 3-Chloro-4-methylisothiazole; 3-Chloro-4-methyl-δ²-isothiazoline; 3-Chloro-4-methyl-1,2-thiazole; Isothiazole, 3-chloro-4-methyl-
EINECS	Contact for details

Quality Control

Our 3-Chloro-4-Methylisothiazole is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure high purity and consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with each shipment to support your quality assurance and regulatory needs.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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