Description

2-Ethyl-5-Methylbenzofuran is a high-purity, specialized benzofuran derivative with the CAS number 17133-95-8. This compound serves as a critical advanced intermediate and key building block in the synthesis of complex organic molecules, valued for its defined structure and reactivity. It is essential for R&D and production in the pharmaceutical, agrochemical, and material science industries, where precise chemical architecture is required.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel active pharmaceutical ingredients (APIs) and drug candidates, particularly in heterocyclic chemistry.
• Agrochemical Synthesis: Used in the development of new-generation pesticides, herbicides, and fungicides where the benzofuran core imparts specific biological activity.
• Organic Light-Emitting Diodes (OLEDs): Acts as a building block for electron-transport materials or host materials in the fabrication of advanced OLED displays and lighting.
• Material Science Research: Employed in the development of organic semiconductors, conductive polymers, and other functional materials.
• Flavor & Fragrance Industry: Serves as a starting material for synthesizing specific aroma chemicals with complex, woody, or amber notes.
• Academic & Industrial R&D: A valuable reagent for methodological studies in organic synthesis and catalysis, enabling the construction of complex molecular frameworks.

Basic Information

Product Name	2-Ethyl-5-Methylbenzofuran
CAS No.	17133-95-8
Molecular Formula	C11H12O
Molecular Weight	160.21 g/mol
Synonyms	5-Methyl-2-ethylbenzofuran; 2-Ethyl-5-methyl-1-benzofuran; Benzofuran, 2-ethyl-5-methyl-; 2-Ethyl-5-methylbenzo[b]furan; 17133-95-8; NSC 406916
EINECS	Contact for details

Quality Control

Our 2-Ethyl-5-Methylbenzofuran is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC and GC analysis, to ensure high chemical purity and identity confirmation. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing purity, impurities, and physical characteristics. Our quality commitment ensures reliable performance as a critical intermediate for your most demanding applications.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0% (Standard Grade)
Water Content (KF)	≤ 0.5%
Refractive Index	Contact for details
Density	Contact for details

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