Description

5-Ethyl-3-Methylene-Dihydro-Furan-2-One is a versatile lactone derivative that serves as a valuable intermediate in advanced organic synthesis. Its unique structure, featuring a reactive methylene group adjacent to the carbonyl, makes it a key building block for creating complex molecular architectures. This compound is primarily sought by the pharmaceutical, agrochemical, and specialty chemical industries for the development of active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A crucial synthon in the synthesis of novel drug candidates, particularly those with heterocyclic frameworks.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators.
• Flavor & Fragrance Ingredient: Serves as a precursor for lactone-based aroma chemicals, contributing to creamy, fruity, or coconut-like notes.
• Polymer Chemistry: Acts as a monomer or cross-linking agent in the production of specialty polymers and resins.
• Organic Synthesis Building Block: Employed in Diels-Alder reactions, Michael additions, and other cyclization processes to construct complex organic molecules.
• Research & Development: Utilized in academic and industrial R&D for exploring new chemical entities and reaction pathways.

Basic Information

Product Name	5-Ethyl-3-Methylene-Dihydro-Furan-2-One
CAS No.	82112-60-5
Molecular Formula	C7H10O2
Molecular Weight	126.15 g/mol
Synonyms	5-Ethyl-3-methylenedihydrofuran-2-one; 3-Methylene-5-ethyldihydrofuran-2(3H)-one; 5-Ethyl-3-methylenedihydro-2(3H)-furanone; 3-Methylene-5-ethyl-2(3H)-furanone; 2(3H)-Furanone, 5-ethyl-3-methylenedihydro-; Lactone derivative of 5-ethyl-3-methylenefuran.
EINECS	Contact for details

Quality Control

Our 5-Ethyl-3-Methylene-Dihydro-Furan-2-One is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality commitment aligns with cGMP principles where applicable, ensuring reliability for critical B2B applications.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 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.