Description

Ethanone, 1-(5-Ethenyl-4,5-Dihydro-2-Methyl-3-Furanyl)-, (-)- (9Ci) is a high-purity, optically active furanone derivative of significant interest in advanced organic synthesis. This compound serves as a critical chiral building block and flavor/fragrance intermediate, valued for its unique structural motif. It is primarily sought after by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for developing novel active ingredients and high-value aroma chemicals.

Application

• Pharmaceutical Intermediate: Key chiral precursor in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Building block for developing new generation pesticides and herbicides with enhanced efficacy.
• Flavor & Fragrance Industry: Intermediate for creating complex, natural-identical aroma molecules used in perfumery and food flavorings.
• Organic Synthesis Research: Versatile starting material for academic and industrial research in heterocyclic and stereoselective chemistry.
• Fine Chemical Production: Used in the manufacture of other specialty chemicals requiring its specific furanone backbone.

Basic Information

Product Name	Ethanone, 1-(5-Ethenyl-4,5-Dihydro-2-Methyl-3-Furanyl)-, (-)- (9Ci)
CAS No.	115580-34-2
Molecular Formula	C9H12O2
Molecular Weight	152.19 g/mol
Synonyms	(-)-1-(5-Ethenyl-4,5-dihydro-2-methyl-3-furanyl)ethanone; (5S)-5-Ethenyl-2-methyl-5H-furan-3-yl methyl ketone; 1-[(5S)-5-Ethenyl-2-methyl-4,5-dihydro-3-furanyl]ethanone; (S)-1-(5-Vinyl-2-methyl-4,5-dihydrofuran-3-yl)ethanone; Light-sensitive furanone derivative; Chiral furanone ketone; Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Our production of Ethanone, 1-(5-Ethenyl-4,5-Dihydro-2-Methyl-3-Furanyl)-, (-)- (9Ci) adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including chiral purity analysis by HPLC, to ensure consistency and meet the exacting standards required for research and synthesis. Certificates of Analysis (COA) detailing identity, purity, and specific impurities are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from strong oxidizing agents. For long-term storage under inert atmosphere, please contact our technical team for specific recommendations.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 98.0% ee
Water Content (KF)	≤ 0.5%

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