Description

5,7-Dichloro-4-Methylbenzo[B]Thiophene-3(2H)-One is a high-purity, synthetically valuable heterocyclic building block. This compound is essential for advanced organic synthesis, serving as a key precursor in the development of complex molecules. It is primarily utilized by research institutions and pharmaceutical companies engaged in medicinal chemistry and material science.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for compounds targeting specific therapeutic areas.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and pesticides, leveraging its unique heterocyclic structure.
• Material Science: Serves as a building block for organic electronic materials, such as semiconductors and light-emitting diodes (OLEDs).
• Dye & Pigment Synthesis: An intermediate in the production of specialized dyes and pigments due to its benzo[b]thiophene core.
• Chemical Research: Employed in academic and industrial R&D for exploring new organic reactions and synthesizing complex heterocyclic libraries.

Basic Information

Product Name	5,7-Dichloro-4-Methylbenzo[B]Thiophene-3(2H)-One
CAS No.	5858-19-5
Molecular Formula	C9H6Cl2OS
Molecular Weight	233.11 g/mol
Synonyms	5,7-Dichloro-4-methyl-1-benzothiophen-3(2H)-one; 5,7-Dichloro-4-methyl-2,3-dihydro-1-benzothiophen-3-one; 4-Methyl-5,7-dichlorobenzo[b]thiophen-3(2H)-one; 5,7-Dichloro-4-methylbenzo[b]thiophen-3-one; 2,3-Dihydro-5,7-dichloro-4-methyl-1-benzothiophen-3-one
EINECS	Contact for details

Quality Control

Our 5,7-Dichloro-4-Methylbenzo[B]Thiophene-3(2H)-One is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

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 strong oxidizing agents.

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%

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