Description

3-Chloro-6-Methyl-Benzo[B]Thiophene-2-Carbonyl Chloride is a high-purity, reactive chemical intermediate essential for advanced organic synthesis. This compound matters because it serves as a critical building block for constructing complex heterocyclic molecules, enabling the development of novel materials and active ingredients. It is primarily needed by R&D chemists and process development teams in the pharmaceutical, agrochemical, and specialty chemical industries for creating new compounds with targeted properties.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and other therapeutic areas.
• Agrochemical Synthesis: Used in the development of next-generation herbicides, fungicides, and insecticides, leveraging the benzo[b]thiophene core for bioactivity.
• Material Science Research: Serves as a monomer or functionalization agent in the creation of advanced polymers and organic electronic materials.
• Dye and Pigment Manufacturing: Employed in the synthesis of specialized heterocyclic dyes and colorants for high-performance applications.
• Ligand and Catalyst Development: Utilized to construct complex ligands for metal-organic frameworks (MOFs) and catalytic systems.
• Custom Synthesis and Contract Manufacturing: A vital starting material for custom synthesis projects and scale-up processes in fine chemical production.

Basic Information

Product Name	3-Chloro-6-Methyl-Benzo[B]Thiophene-2-Carbonyl Chloride
CAS No.	34576-87-9
Molecular Formula	C11H6Cl2OS
Molecular Weight	257.13 g/mol
Synonyms	3-Chloro-6-methylbenzo[b]thiophene-2-carbonyl chloride; 2-Benzothiophenecarbonyl chloride, 3-chloro-6-methyl-; 3-Chloro-6-methyl-2-benzothiophenecarbonyl chloride; 3-Chloro-6-methylbenzo[b]thiophene-2-carboxylic acid chloride; 34576-87-9; 3-Chloro-6-methyl-1-benzothiophene-2-carbonyl chloride
EINECS	Contact for details

Quality Control

Our 3-Chloro-6-Methyl-Benzo[B]Thiophene-2-Carbonyl Chloride is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure high purity and consistent performance. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is 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, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature and reactivity as an acid chloride, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent hydrolysis and degradation. Keep away from strong bases, oxidizing agents, and sources of moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Melting Point	Contact for details
Residue on Ignition	≤ 0.1%

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