Description

7-Chlorobenzo[B]Thiophen-3(2H)-One is a versatile heterocyclic building block and key synthetic intermediate of significant commercial interest. This compound is valued for its unique molecular scaffold, which is integral to the development of advanced materials and active pharmaceutical ingredients (APIs). It is primarily sought after by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for use in organic synthesis and process development.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and other therapeutic areas.
• Agrochemical Synthesis: Serves as a key building block for developing new-generation herbicides, fungicides, and insecticides with enhanced efficacy.
• Material Science Research: Used in the development of organic semiconductors, conductive polymers, and other advanced electronic materials due to its thiophene-based structure.
• Organic Synthesis & Process Chemistry: Employed as a versatile scaffold for constructing complex heterocyclic compounds in academic and industrial R&D settings.
• Dye & Pigment Intermediate: Acts as a precursor in the manufacture of specialized dyes and organic pigments.

Basic Information

Product Name	7-Chlorobenzo[B]Thiophen-3(2H)-One
CAS No.	3260-86-4
Molecular Formula	C8H5ClOS
Molecular Weight	184.64 g/mol
Synonyms	7-Chlorobenzo[b]thiophen-3(2H)-one; 3H-Benzo[b]thiophen-3-one, 7-chloro-; 7-Chloro-3-hydroxybenzo[b]thiophene; 7-Chloro-3-oxo-2,3-dihydrobenzo[b]thiophene; 7-Chloro-2,3-dihydrobenzo[b]thiophen-3-one; 7-Chloro-3H-benzo[b]thiophen-3-one
EINECS	Contact for details

Quality Control

Our production of 7-Chlorobenzo[B]Thiophen-3(2H)-One adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including HPLC, GC, and NMR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory compliance 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 sources and incompatible materials.

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.