Description

Cyclopentanone, 2-Acetyl-3-Ethyl-, (2R,3R)-Rel- (9Ci) is a high-purity, stereochemically defined chiral building block of significant interest in advanced organic synthesis. This compound matters for its role as a key intermediate in the development of complex, biologically active molecules, where its specific stereochemistry is crucial for function. It is primarily needed by research and development teams in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A critical chiral synthon for the research and development of novel active pharmaceutical ingredients (APIs), particularly in areas requiring complex stereocenters.
• Agrochemical Synthesis: Used in the production of advanced, stereoselective pesticides and herbicides where specific enantiomeric forms enhance efficacy and reduce environmental impact.
• Fine Chemical Production: Serves as a specialized building block for synthesizing complex fragrance compounds, flavors, and other high-value specialty chemicals.
• Academic & Industrial Research: A valuable reagent in methodological chemistry research, including studies on asymmetric synthesis, catalysis, and novel ring-forming reactions.
• Material Science Precursor: Potential use in the synthesis of specialized polymers or ligands with specific chiral architectures for advanced material applications.

Basic Information

Product Name	Cyclopentanone, 2-Acetyl-3-Ethyl-, (2R,3R)-Rel- (9Ci)
CAS No.	690660-88-9
Molecular Formula	C9H14O2
Molecular Weight	154.21 g/mol
Synonyms	(2R,3R)-2-Acetyl-3-ethylcyclopentanone; rel-(2R,3R)-2-Acetyl-3-ethylcyclopentanone; 2-Acetyl-3-ethylcyclopentanone (rel-(2R,3R)-); 3-Ethyl-2-acetylcyclopentanone; 690660-88-9; (2R,3R)-2-Acetyl-3-ethyl-cyclopentanone; (rel)-(2R,3R)-2-Acetyl-3-ethylcyclopentanone
EINECS	Contact for details

Quality Control

Our production of Cyclopentanone, 2-Acetyl-3-Ethyl-, (2R,3R)-Rel- (9Ci) adheres to stringent quality management protocols to ensure batch-to-batch consistency and high chemical purity. Each lot is characterized using advanced analytical techniques, including chiral HPLC, to confirm identity, stereochemical purity, and assay. Certificates of Analysis (COA) detailing all specifications are provided with every shipment.

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 acids and incompatible organic solvents. 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% de (rel-(2R,3R)-)
Water Content (KF)	≤ 0.5%

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