Description

5-Amino-4-Chloro-3-Methylisothiazole is a high-purity, versatile heterocyclic building block of significant commercial importance. This compound serves as a critical intermediate in the synthesis of advanced agrochemicals and pharmaceuticals, enabling the development of novel active ingredients. It is primarily sought after by R&D chemists and production managers in the fine chemical, crop protection, and pharmaceutical API manufacturing sectors.

Application

• Agrochemical Intermediate: A key precursor in the synthesis of modern fungicides, herbicides, and insecticides, contributing to crop protection solutions.
• Pharmaceutical Building Block: Used in the research and development of new active pharmaceutical ingredients (APIs), particularly in heterocyclic chemistry.
• Dye and Pigment Synthesis: Functions as an intermediate in the production of specialized dyes and organic pigments.
• Research & Development: Employed in academic and industrial laboratories for methodological studies and the creation of novel chemical libraries.
• Fine Chemical Production: Serves as a versatile synthon for manufacturing other complex, value-added specialty chemicals.

Basic Information

Item	Details
Product Name	5-Amino-4-Chloro-3-Methylisothiazole
CAS No.	96841-04-2
Molecular Formula	C4H5ClN2S
Molecular Weight	148.61 g/mol
Synonyms	4-Chloro-3-methyl-1,2-thiazol-5-amine; 4-Chloro-3-methylisothiazol-5-amine; 3-Methyl-4-chloroisothiazol-5-ylamine; 5-Amino-4-chloro-3-methyl-1,2-thiazole; 4-Chloro-5-amino-3-methylisothiazole; ACIT
EINECS	Contact for details

Quality Control

Our 5-Amino-4-Chloro-3-Methylisothiazole is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements of our global B2B clients. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment and is available upon request.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Melting Point	Contact for details

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