Description

5-Ethyl-2-Methyl-Thiophen-3-One is a high-purity heterocyclic organic compound, specifically a substituted thiophenone, that serves as a critical building block in advanced chemical synthesis. Its value lies in its unique molecular structure, which makes it an essential intermediate for creating complex molecules in research and industrial applications. This product is primarily needed by the pharmaceutical, agrochemical, and specialty chemical industries for the development of active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs), particularly those with sulfur-containing heterocyclic cores.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides, herbicides, and fungicides where the thiophene moiety imparts specific biological activity.
• Material Science Research: Serves as a monomer or building block for developing organic semiconductors, conductive polymers, and other functional organic materials.
• Flavor & Fragrance Industry: Acts as a potential intermediate for creating sulfur-containing aroma compounds, contributing to savory or roasted notes in complex flavor profiles.
• Organic Synthesis Reagent: Employed in academic and industrial R&D laboratories for constructing complex molecular architectures via reactions like cross-coupling, cyclization, and functional group transformations.

Basic Information

Product Name	5-Ethyl-2-Methyl-Thiophen-3-One
CAS No.	57556-03-3
Molecular Formula	C7H10OS
Molecular Weight	142.22 g/mol
Synonyms	3-Acetyl-2,5-dimethylthiophene; 2,5-Dimethyl-3-acetylthiophene; 1-(2,5-Dimethyl-3-thienyl)ethanone; 5-Ethyl-2-methylthiophen-3(2H)-one; 3-Acetyl-2,5-dimethylthiophene; Ethanone, 1-(2,5-dimethyl-3-thienyl)-
EINECS	Contact for details

Quality Control

Our 5-Ethyl-2-Methyl-Thiophen-3-One is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure high purity and consistency. Certificates of Analysis (COA) documenting identity, purity, and impurity profiles are available for all commercial quantities to support your quality assurance and regulatory compliance needs.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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