Description

4-Chloro-3-Methyl-Benzo[B]Thiophene-2-Carboxylic Acid Methyl Ester is a high-purity, synthetically valuable heterocyclic building block. This compound is a critical intermediate in the synthesis of complex organic molecules, particularly in the pharmaceutical and agrochemical sectors. It is primarily sought after by research institutions and industrial manufacturers for developing new active ingredients and advanced materials.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly in therapeutic areas targeting specific enzyme pathways.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides due to its bioactive thiophene core.
• Material Science: Serves as a precursor for organic semiconductors, liquid crystals, and other functional materials.
• Chemical Synthesis: An essential reagent for constructing complex benzothiophene derivatives in academic and industrial R&D laboratories.
• Dye & Pigment Industry: Potential intermediate for creating specialized colorants and photostable dyes.

Basic Information

Product Name	4-Chloro-3-Methyl-Benzo[B]Thiophene-2-Carboxylic Acid Methyl Ester
CAS No.	1415968-73-8
Molecular Formula	C11H9ClO2S
Molecular Weight	240.70 g/mol
Synonyms	Methyl 4-Chloro-3-methylbenzo[b]thiophene-2-carboxylate; 4-Chloro-3-methyl-1-benzothiophene-2-carboxylic acid methyl ester; 4-Chloro-3-methylbenzo[b]thiophene-2-carboxylic acid methyl ester; 2-Methoxycarbonyl-4-chloro-3-methylbenzo[b]thiophene; 1415968-73-8; Methyl 4-chloro-3-methyl-1-benzothiophene-2-carboxylate
EINECS	Contact for details

Quality Control

Our 4-Chloro-3-Methyl-Benzo[B]Thiophene-2-Carboxylic Acid Methyl Ester is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and batch-to-batch consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each 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 strong acids and incompatible organic solvents. The container must be kept tightly sealed to prevent contamination and moisture absorption.

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.