Description

3-Methoxybenzo[B]Thiophene-3-Carboxylic Acid is a high-purity organic building block featuring a fused thiophene ring system with both methoxy and carboxylic acid functional groups. This compound is valued for its role as a critical intermediate in advanced organic synthesis, enabling the construction of complex molecular architectures. It is primarily sought after by research institutions and manufacturers in the pharmaceutical and agrochemical sectors for the development of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of new drug candidates, particularly those targeting central nervous system (CNS) disorders.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides, where the benzo[b]thiophene core contributes to biological activity.
• Material Science Research: Serves as a precursor for organic electronic materials, such as semiconductors and light-emitting diodes (OLEDs).
• Chemical Research: Employed in academic and industrial R&D for studying heterocyclic chemistry and developing novel synthetic methodologies.
• Ligand and Catalyst Development: The carboxylic acid group allows for functionalization into chelating ligands for metal catalysis.

Basic Information

Product Name	3-Methoxybenzo[B]Thiophene-3-Carboxylic Acid
CAS No.	19354-50-8
Molecular Formula	C10H8O3S
Molecular Weight	208.23 g/mol
Synonyms	3-Methoxybenzo[b]thiophene-3-carboxylic acid; 3-Methoxy-1-benzothiophene-3-carboxylic acid; 3-Methoxybenzo[b]thiophene-3-carboxylic acid; 3-Methoxy-1-benzothiophene-3-carboxylic acid; 3-Methoxybenzo[b]thiophene-3-carboxylic acid; 3-Methoxy-1-benzothiophene-3-carboxylic acid; 3-Methoxybenzo[b]thiophene-3-carboxylic acid; 3-Methoxy-1-benzothiophene-3-carboxylic acid
EINECS	Contact for details

Quality Control

Our 3-Methoxybenzo[B]Thiophene-3-Carboxylic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets the high standards required for research and synthesis. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment and is available upon request.

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). This product is hygroscopic (moisture-sensitive) and light-sensitive; therefore, containers must be kept sealed and away from direct light to maintain stability and purity.

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.