Description

2-Chloro-5,6-Dihydro-4H-Benzothiazol-7-One is a versatile and high-value heterocyclic building block with a fused benzothiazolone core. This compound matters as a critical synthetic intermediate, enabling the construction of complex molecules for advanced research and development. It is primarily needed by pharmaceutical, agrochemical, and specialty chemical manufacturers for applications in medicinal chemistry, crop protection, and material science.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting neurological and metabolic disorders.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and plant growth regulators.
• Organic Light-Emitting Diode (OLED) Materials: Serves as a building block for electron-transport or host materials in display and lighting technologies.
• Dye and Pigment Chemistry: Employed in the synthesis of specialized heterocyclic dyes and functional colorants.
• Chemical Research & Development: A valuable scaffold for exploring new chemical entities and reaction pathways in academic and industrial labs.
• Ligand and Catalyst Development: Potential use in creating novel ligands for catalytic systems in asymmetric synthesis.

Basic Information

Product Name	2-Chloro-5,6-Dihydro-4H-Benzothiazol-7-One
CAS No.	330203-55-9
Molecular Formula	C7H6ClNOS
Molecular Weight	187.64 g/mol
Synonyms	2-Chloro-4,5,6,7-tetrahydro-1,3-benzothiazol-7-one; 2-Chloro-5,6-dihydro-4H-1,3-benzothiazin-7-one; 7H-1,3-Benzothiazol-7-one, 2-chloro-5,6-dihydro-4H-; 330203-55-9; 2-Chloro-4,5,6,7-tetrahydrobenzothiazol-7-one
EINECS	Contact for details

Quality Control

Our 2-Chloro-5,6-Dihydro-4H-Benzothiazol-7-One is manufactured under strict quality management protocols. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided and available upon request to support your quality assurance and regulatory needs.

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). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, containers should be kept in amber glass or opaque packaging.

Specification

Item	Specification
Appearance	White to off-white 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%
Heavy Metals	≤ 20 ppm

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