Description

Methyl 5-Chloro-3-Methylbenzo[B]Thiophene-2-Carboxylate is a high-purity, synthetically valuable heterocyclic building block. This compound serves as a critical intermediate in the development of advanced pharmaceutical and agrochemical active ingredients. It is primarily sought by R&D chemists and process development teams in the life sciences sector for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and inflammatory pathways.
• Agrochemical Synthesis: Used in the research and production of advanced herbicides and fungicides, leveraging the bioactivity of the benzothiophene core.
• Material Science Research: Employed in the development of organic semiconductors and functional materials due to its electron-rich thiophene structure.
• Chemical Reference Standard: Serves as a high-purity analytical standard for quality control and method development in analytical laboratories.
• Organic Synthesis Building Block: Utilized in cross-coupling reactions and other transformations to introduce functionalized benzothiophene motifs into larger molecules.

Basic Information

Product Name	Methyl 5-Chloro-3-Methylbenzo[B]Thiophene-2-Carboxylate
CAS No.	75416-72-7
Molecular Formula	C12H11ClO2S
Molecular Weight	254.73 g/mol
Synonyms	Methyl 5-chloro-3-methyl-1-benzothiophene-2-carboxylate; 5-Chloro-3-methylbenzo[b]thiophene-2-carboxylic acid methyl ester; 2-Carbomethoxy-5-chloro-3-methylbenzo[b]thiophene; 75416-72-7; Benzo[b]thiophene-2-carboxylic acid, 5-chloro-3-methyl-, methyl ester
EINECS	Contact for details

Quality Control

Our Methyl 5-Chloro-3-Methylbenzo[B]Thiophene-2-Carboxylate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment to support your quality assurance protocols.

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.

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.