Description

2(3H)-Furanone, 3-Acetyl-3-Ethynyldihydro- (9Ci) is a specialized heterocyclic building block featuring a fused acetyl and ethynyl functional group on a dihydrofuranone core. This unique molecular architecture makes it a valuable intermediate for synthesizing complex organic molecules, particularly in advanced pharmaceutical and agrochemical research. It is primarily sought by R&D chemists and process development scientists working on novel active ingredients, fine chemicals, and functional materials where precise structural control is critical.

Application

• Pharmaceutical Intermediate: A key synthon for the development of novel drug candidates, especially in medicinal chemistry programs targeting complex heterocycles.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, leveraging its reactive ethynyl group for structural diversification.
• Fine Chemical Production: Serves as a building block for synthesizing specialty chemicals, flavors, fragrances, and performance materials.
• Academic & Industrial Research: Employed in organic synthesis laboratories for methodology development and the construction of complex molecular libraries.
• Material Science Precursor: Potential use in developing novel polymers or small-molecule components for electronic or optical materials.

Basic Information

Product Name	2(3H)-Furanone, 3-Acetyl-3-Ethynyldihydro- (9Ci)
CAS No.	127783-39-5
Molecular Formula	C8H8O3
Molecular Weight	152.15 g/mol
Synonyms	3-Acetyl-3-ethynyldihydro-2(3H)-furanone; 3-Ethynyl-3-acetyldihydrofuran-2(3H)-one; 3-Acetyl-3-ethynyl-dihydro-furan-2-one; 3-Ethynyl-3-acetyl-2(3H)-furanone; 127783-39-5; 3-Acetyl-3-ethynyl-2(3H)-furanone; Dihydro-3-acetyl-3-ethynyl-2(3H)-furanone
EINECS	Contact for details

Quality Control

Our 2(3H)-Furanone, 3-Acetyl-3-Ethynyldihydro- (9Ci) is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC, GC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications. We support cGMP and ISO standards for research and development materials.

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 heat, sparks, and open flames. For long-term storage, consider storing under an inert atmosphere to maintain stability.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
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.