Description

2-Ethyl-5-Methylbenzo[B]Thiophene is a high-purity, specialty heterocyclic aromatic compound serving as a critical building block in advanced organic synthesis. Its unique benzo[b]thiophene core structure makes it a valuable intermediate for developing novel materials and active pharmaceutical ingredients (APIs). This product is essential for R&D and production teams in the pharmaceutical, agrochemical, and material science industries seeking to innovate with complex sulfur-containing heterocycles.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and other therapeutic areas.
• Agrochemical Synthesis: Used in the research and development of new-generation pesticides and herbicides, leveraging its heterocyclic structure for bioactivity.
• Organic Light-Emitting Diodes (OLEDs): Serves as a core structure or dopant material in the development of advanced electroluminescent materials for display and lighting technologies.
• Material Science Research: Acts as a monomer or building block for creating novel polymers and organic semiconductors with specific electronic properties.
• Ligand Synthesis in Catalysis: Utilized to develop sophisticated ligands for transition metal catalysts used in asymmetric synthesis and cross-coupling reactions.
• Dye and Pigment Intermediate: Employed in the synthesis of specialized dyes and pigments where the benzo[b]thiophene unit modifies color and stability properties.

Basic Information

Item	Detail
Product Name	2-Ethyl-5-Methylbenzo[B]Thiophene
CAS No.	16587-51-2
Molecular Formula	C11H12S
Molecular Weight	176.28 g/mol
Synonyms	2-Ethyl-5-methyl-1-benzothiophene; 5-Methyl-2-ethylbenzo[b]thiophene; 2-Ethyl-5-methylbenzo[b]thiophene; 1-Benzothiophene, 2-ethyl-5-methyl-; 2-Ethyl-5-methyl-1-benzothiophene; 2-Ethyl-5-methylbenzo[b]thiophene; 16587-51-2
EINECS	Contact for details

Quality Control

Our 2-Ethyl-5-Methylbenzo[B]Thiophene is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical specifications. Our commitment to quality ensures reliable performance for your most demanding synthetic applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from strong oxidizing agents.

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.