Description

Methyl 4-Fluorobenzo[B]Thiophene-7-Carboxylate CAS NO 1393437-20-1 is a high-purity fluorinated heterocyclic building block, a key intermediate in advanced organic synthesis. Its value lies in providing a versatile scaffold for constructing complex molecules, particularly in the development of active pharmaceutical ingredients (APIs) and functional materials. This compound is essential for R&D chemists and process development scientists in the pharmaceutical, agrochemical, and material science industries seeking to introduce fluorine and benzo[b]thiophene motifs into their target structures.

Application

• Pharmaceutical Intermediate: A critical building block for the synthesis of novel drug candidates, especially in kinase inhibitor and central nervous system (CNS) therapeutic research.
• Agrochemical Synthesis: Used in the development of advanced pesticides and herbicides, where the fluorinated benzo[b]thiophene core can enhance biological activity and environmental stability.
• Material Science Precursor: Serves as a monomer or precursor for organic electronic materials, such as semiconductors and light-emitting materials for OLED applications.
• Chemical Research & Development: A versatile reagent for academic and industrial research in medicinal chemistry, fluorination chemistry, and heterocyclic compound synthesis.
• Ligand Synthesis: Used to create specialized ligands for catalysis and metal-organic frameworks (MOFs).

Basic Information

Product Name	Methyl 4-Fluorobenzo[B]Thiophene-7-Carboxylate
CAS No.	1393437-20-1
Molecular Formula	C10H7FO2S
Molecular Weight	210.22 g/mol
Synonyms	Methyl 4-Fluorobenzo[B]Thiophene-7-Carboxylate; 4-Fluorobenzo[B]Thiophene-7-Carboxylic Acid Methyl Ester; 7-Methoxycarbonyl-4-fluorobenzo[b]thiophene; Methyl 4-Fluorobenzo[B]Thiophene-7-Carboxylate; Methyl 4-Fluoro-1-benzothiophene-7-carboxylate; 4-Fluoro-benzo[b]thiophene-7-carboxylic acid methyl ester; 1393437-20-1
EINECS	Contact for details

Quality Control

Our Methyl 4-Fluorobenzo[B]Thiophene-7-Carboxylate is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, GC, NMR, and mass spectrometry, to ensure high chemical purity and structural identity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all relevant specifications. Our commitment to quality ensures consistency and reliability for your critical R&D and scale-up processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption. Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference standard
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 2.0%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.