Description

4,5-Dibromo-3-Methyl-Isothiazole is a halogenated heterocyclic compound that serves as a versatile and high-value synthetic intermediate. Its core value lies in its functionalized isothiazole ring, which provides a reactive scaffold for constructing complex molecules in advanced chemical synthesis. This compound is particularly critical for researchers and manufacturers in the pharmaceutical, agrochemical, and material science sectors who require precise bromination sites for further derivatization.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds with antimicrobial or anti-inflammatory properties.
• Agrochemical Synthesis: Used in the development of novel fungicides, herbicides, and pesticides due to the bioactivity of the isothiazole moiety.
• Material Science Precursor: Serves as a monomer or cross-linking agent in the production of specialty polymers and functional materials.
• Ligand and Catalyst Development: Utilized in organometallic chemistry to create novel ligands for catalytic systems.
• Organic Synthesis Reagent: Acts as a versatile electrophile or coupling partner in cross-coupling reactions (e.g., Suzuki, Stille) for introducing the dibromomethylisothiazole group.
• Research & Development: Essential compound for medicinal chemistry programs and discovery research in academic and industrial laboratories.

Basic Information

Product Name	4,5-Dibromo-3-Methyl-Isothiazole
CAS No.	1732-55-4
Molecular Formula	C4H3Br2NS
Molecular Weight	280.95 g/mol
Synonyms	3-Methyl-4,5-dibromoisothiazole; 4,5-Dibromo-3-methyl-1,2-thiazole; Dibromo-methylisothiazole; 3-Methyl-4,5-dibromo-1,2-thiazole; 1,2-Thiazole, 4,5-dibromo-3-methyl-; Isothiazole, 4,5-dibromo-3-methyl-
EINECS	Contact for details

Quality Control

Our 4,5-Dibromo-3-Methyl-Isothiazole is produced under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure high purity, consistency, and traceability. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality commitment supports your R&D and production needs with reliable material that meets stringent industry standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area. Recommended storage temperature is between 2°C and 8°C for long-term stability. Keep away from heat, sparks, and open flame. The container must be kept tightly closed in a dry and well-ventilated place. Contents may be light-sensitive.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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