Description

5-Cyano-Benzo[B]Thiophene-2-Carboxylic Acid Methyl Ester is a high-purity, versatile heterocyclic building block of significant interest in advanced organic synthesis. Its core value lies in its functionalized benzothiophene scaffold, which serves as a critical intermediate for constructing complex molecular architectures. This compound is primarily sought after by research chemists and process development scientists in the pharmaceutical and agrochemical industries for applications in medicinal chemistry and material science.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting kinase inhibition and other therapeutic pathways.
• Agrochemical Research: Used in the development of new active ingredients for crop protection products, leveraging its heterocyclic structure.
• Material Science: Serves as a building block for organic electronic materials, such as semiconductors and light-emitting diodes (OLEDs).
• Chemical Synthesis: Employed in academic and industrial R&D for constructing complex fused-ring systems and functionalized heterocycles.
• Ligand & Catalyst Development: Useful for creating specialized ligands in coordination chemistry and catalysis.

Basic Information

Product Name	5-Cyano-Benzo[B]Thiophene-2-Carboxylic Acid Methyl Ester
CAS No.	146137-93-1
Molecular Formula	C11H7NO2S
Molecular Weight	217.24 g/mol
Synonyms	Methyl 5-cyanobenzo[b]thiophene-2-carboxylate; 5-Cyanobenzo[b]thiophene-2-carboxylic acid methyl ester; Benzo[b]thiophene-2-carboxylic acid, 5-cyano-, methyl ester; 2-Methoxycarbonyl-5-cyanobenzo[b]thiophene
EINECS	Contact for details

Quality Control

Our 5-Cyano-Benzo[B]Thiophene-2-Carboxylic Acid Methyl Ester is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality system is designed to meet the rigorous standards required for research and development applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials. For long-term storage, consider storing under an inert atmosphere.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.