Description

3-Chloro-1,2-benzisothiazole is a versatile heterocyclic building block and key synthetic intermediate. This compound is valued for its role in constructing complex molecular architectures, particularly in the development of advanced functional materials and active pharmaceutical ingredients. It is essential for researchers and manufacturers in the agrochemical, pharmaceutical, and specialty chemical industries seeking to develop novel compounds with specific biological or material properties.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of various drug candidates, particularly those containing the benzisothiazole pharmacophore.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and insecticides, where the chlorinated benzisothiazole moiety imparts key biological activity.
• Material Science: Serves as a building block for organic semiconductors, dyes, pigments, and other functional organic materials.
• Chemical Research: Employed in academic and industrial R&D for exploring new reactions and developing novel heterocyclic compounds.
• Ligand and Catalyst Development: Useful in the preparation of specialized ligands for metal catalysis and coordination chemistry.
• Polymer Chemistry: Can be incorporated as a monomer or modifier to create polymers with unique thermal or optical properties.

Basic Information

Product Name	3-Chloro-1,2-benzisothiazole
CAS No.	7716-66-7
Molecular Formula	C7H4ClNS
Molecular Weight	169.63 g/mol
Synonyms	3-Chlorobenzo[d]isothiazole; 3-Chloro-1,2-benzisothiazole; 1,2-Benzisothiazole, 3-chloro-; 3-Chlorobenzoisothiazole; Benzo[d]isothiazole, 3-chloro-; 3-Chloro-benzo[1,2]isothiazole
EINECS	Contact for details

Quality Control

Our 3-Chloro-1,2-benzisothiazole is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. Certificates of Analysis (COA) detailing identity, purity, 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 room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider storing under an inert atmosphere.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
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.