Description

2(3H)-Furanone, 3-Acetyl-5-Ethyldihydro-, cis- (9Ci) is a specialized lactone derivative with a defined stereochemistry, identified by CAS No. 153655-37-9. This compound serves as a valuable chiral building block and intermediate in advanced organic synthesis, enabling the creation of complex molecular architectures. It is primarily sought after by research and development teams in the pharmaceutical, agrochemical, and fine chemical industries for applications requiring high-purity, structurally precise intermediates.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the research and development of active pharmaceutical ingredients (APIs), particularly in stereoselective synthesis.
• Agrochemical Synthesis: Used in the production of advanced crop protection agents and pesticides where specific stereochemistry impacts biological activity.
• Fine Chemical Production: Serves as a precursor for flavors, fragrances, and other high-value specialty chemicals.
• Academic & Industrial Research: Employed as a standard or reagent in methodological development and chemical biology studies.
• Material Science: Potential monomer or modifier in the synthesis of specialized polymers with unique properties.

Basic Information

Product Name	2(3H)-Furanone, 3-Acetyl-5-Ethyldihydro-, cis- (9Ci)
CAS No.	153655-37-9
Molecular Formula	C8H12O3
Molecular Weight	156.18 g/mol
Synonyms	cis-3-Acetyl-5-ethyldihydro-2(3H)-furanone; 3-Acetyl-5-ethyltetrahydrofuran-2-one, cis-; 5-Ethyl-3-acetyltetrahydrofuran-2-one; (3R,5S)-3-Acetyl-5-ethyltetrahydrofuran-2-one (and other stereoisomers); 153655-37-9; Lactone derivative of 3-acetyl-5-ethylpentanoic acid.
EINECS	Contact for details

Quality Control

Every batch of 2(3H)-Furanone, 3-Acetyl-5-Ethyldihydro-, cis- (9Ci) is produced and tested under a strict quality management system. We provide comprehensive analytical data to ensure the product meets the high-purity standards required for research and synthesis. A detailed Certificate of Analysis (COA) including assay, chiral purity, and impurity profile is available for each lot upon request.

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 heat, sparks, and open flame. The product is light-sensitive and should be stored away from light.

Specification

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

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