Description

4-Methoxy-Benzo[B]Thiophene-2-Carboxylic Acid Methyl Ester is a high-purity, synthetically valuable heterocyclic building block. This compound is a key intermediate in the synthesis of complex organic molecules, particularly in the development of active pharmaceutical ingredients (APIs) and advanced materials. It is primarily utilized by research institutions, fine chemical manufacturers, and pharmaceutical companies engaged in medicinal chemistry and process development.

Application

• Pharmaceutical Intermediate: A crucial building block in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and other therapeutic areas.
• Agrochemical Research: Serves as a precursor in the development of new pesticides and herbicides, leveraging its unique heterocyclic structure.
• Material Science: Used in the research and production of advanced organic electronic materials, such as organic semiconductors and light-emitting diodes (OLEDs).
• Dye and Pigment Synthesis: Acts as an intermediate for creating specialized dyes and pigments with specific optical properties.
• Academic & Contract Research: Employed in university and CRO laboratories for methodological studies and the discovery of new chemical entities.
• Custom Synthesis: A starting material for the contract manufacturing of complex, customer-specific organic molecules.

Basic Information

Product Name	4-Methoxy-Benzo[B]Thiophene-2-Carboxylic Acid Methyl Ester
CAS No.	146137-88-4
Molecular Formula	C11H10O3S
Molecular Weight	222.26 g/mol
Synonyms	Methyl 4-Methoxybenzo[b]thiophene-2-carboxylate; 4-Methoxybenzo[b]thiophene-2-carboxylic Acid Methyl Ester; 2-Methoxycarbonyl-4-methoxybenzo[b]thiophene; 4-Methoxy-1-benzothiophene-2-carboxylic Acid Methyl Ester; 4-Methoxybenzo[b]thiophene-2-methyl carboxylate; 146137-88-4; Methyl 4-methoxy-1-benzothiophene-2-carboxylate
EINECS	Contact for details

Quality Control

Our 4-Methoxy-Benzo[B]Thiophene-2-Carboxylic Acid Methyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high chemical purity and structural identity. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee batch-to-batch consistency and traceability for your R&D and production needs.

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 bases and incompatible materials such as strong oxidizing agents. The container should be kept tightly sealed to prevent moisture absorption.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
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.