Description

2-Ethyl-5-Methylthiophene is a high-purity heterocyclic organic compound belonging to the thiophene family. This specialty chemical serves as a versatile and critical building block in advanced organic synthesis and materials science. It is primarily sought after by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for developing novel compounds and functional materials.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of new active pharmaceutical ingredients (APIs), particularly for compounds requiring a substituted thiophene core.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and fungicides where its molecular structure imparts specific biological activity.
• Material Science & Organic Electronics: Acts as a precursor for conductive polymers, organic semiconductors, and other electronic materials due to the electron-rich thiophene ring.
• Flavor & Fragrance Industry: Employed in the synthesis of complex aroma chemicals and flavoring agents.
• Ligand & Catalyst Development: Useful in organometallic chemistry for creating novel ligands and catalysts used in cross-coupling and other catalytic reactions.
• Chemical Research: Serves as a standard or starting material in academic and industrial R&D for exploring new synthetic methodologies.

Basic Information

Product Name	2-Ethyl-5-Methylthiophene
CAS No.	40323-88-4
Molecular Formula	C7H10S
Molecular Weight	126.22 g/mol
Synonyms	5-Methyl-2-ethylthiophene; 2-Ethyl-5-methylthiophene; 2-Ethyl-5-methyl-thiophene; 2-Ethyl-5-methylthiofuran; Thiophene, 2-ethyl-5-methyl-; 2-Ethyl-5-methylthiophene (primary CAS name)
EINECS	Contact for details

Quality Control

Our 2-Ethyl-5-Methylthiophene is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including chromatography (GC/HPLC) and spectroscopy (NMR, IR), to ensure identity, purity, and consistency. A Certificate of Analysis (COA) detailing all specifications is provided with each shipment to guarantee compliance with your research or production requirements.

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). Keep away from strong oxidizing agents and heat sources.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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