Description

2-Chloro-3-Methylbenzo(B)Thiophene is a high-purity, specialized heterocyclic building block essential for advanced organic synthesis. This compound serves as a critical intermediate in the development of complex molecules, offering precise reactivity for constructing sophisticated chemical architectures. It is primarily utilized by research institutions and industrial R&D departments in the pharmaceutical, agrochemical, and material science sectors for creating novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of new drug candidates, particularly for molecules with thiophene-based scaffolds.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and fungicides where the benzo[b]thiophene core imparts specific biological activity.
• Material Science Research: Serves as a precursor for organic electronic materials, such as semiconductors and light-emitting diodes (OLEDs), due to its conjugated system.
• Chemical Research: Employed in academic and industrial laboratories for methodological studies in heterocyclic chemistry and cross-coupling reactions.
• Dye and Pigment Industry: Acts as a building block for synthesizing specialized dyes and pigments with unique color and stability properties.

Basic Information

Product Name	2-Chloro-3-Methylbenzo(B)Thiophene
CAS No.	3216-47-5
Molecular Formula	C9H7ClS
Molecular Weight	182.67 g/mol
Synonyms	2-Chloro-3-methyl-1-benzothiophene; 2-Chloro-3-methylbenzo[b]thiophene; 3-Methyl-2-chlorobenzo[b]thiophene; 1-Benzothiophene, 2-chloro-3-methyl-; 2-Chloro-3-methylbenzo(b)thiophene; 2-Chloro-3-methylbenzothiophene; 2-Chloro-3-methyl-1-benzothiophene
EINECS	Contact for details

Quality Control

Our 2-Chloro-3-Methylbenzo(B)Thiophene is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications. We support cGMP and ISO standards for research and industrial-grade materials.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from heat sources and incompatible materials. The product is light-sensitive and should be handled accordingly to maintain stability.

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.