Description

Ethanone, 1-(2,3-Dimethylcyclopropyl)-, (1Alpha,2Alpha,3Beta)-(+)- (9Ci) is a specialized chiral ketone featuring a unique dimethylcyclopropyl substituent, offering a valuable and structurally constrained building block for advanced chemical synthesis. Its precise stereochemistry and functional group make it a critical intermediate for creating molecules with high stereochemical purity and specific three-dimensional architecture. This compound is essential for research and development chemists in the pharmaceutical and agrochemical industries, where it is used to synthesize novel active ingredients and complex natural product analogs.

Application

• Pharmaceutical Intermediate: Serves as a key chiral synthon in the synthesis of novel drug candidates, particularly for central nervous system (CNS) and anti-infective agents.
• Agrochemical Synthesis: Used in the development of advanced pesticides and herbicides, where the cyclopropyl group contributes to biological activity and stability.
• Flavor & Fragrance Chemistry: Acts as a precursor for synthesizing complex, stereochemically-defined aroma molecules and flavor compounds.
• Material Science Research: Employed in the creation of specialty monomers and polymers with tailored thermal and mechanical properties.
• Catalysis & Ligand Development: Utilized as a scaffold for constructing novel chiral ligands and organocatalysts for asymmetric synthesis.
• Academic & R&D Laboratories: A valuable tool for methodological studies in organic synthesis, including cyclopropanation and stereoselective reactions.

Basic Information

Product Name	Ethanone, 1-(2,3-Dimethylcyclopropyl)-, (1Alpha,2Alpha,3Beta)-(+)- (9Ci)
CAS No.	66791-93-3
Molecular Formula	C7H12O
Molecular Weight	112.17 g/mol
Synonyms	(+)-(1α,2α,3β)-1-(2,3-Dimethylcyclopropyl)ethanone; (1R,2R,3S)-1-(2,3-Dimethylcyclopropyl)ethan-1-one; 2,3-Dimethylcyclopropyl methyl ketone; (+)-trans-1-Acetyl-2,3-dimethylcyclopropane; 1-(2,3-Dimethylcyclopropyl)ethanone; Chiral Dimethylcyclopropyl Methyl Ketone
EINECS	Contact for details

Quality Control

Our production of Ethanone, 1-(2,3-Dimethylcyclopropyl)-, (1Alpha,2Alpha,3Beta)-(+)- (9Ci) adheres to stringent quality protocols to ensure batch-to-batch consistency and high chemical purity. Each lot is characterized using advanced analytical techniques including chiral HPLC, GC, and NMR to confirm identity, enantiomeric excess, and purity. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment. We operate under a quality management system designed to meet the rigorous standards of our global pharmaceutical and fine chemical partners.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong acids and incompatible organic solvents. For long-term storage, consider maintaining the material under an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Enantiomeric Excess (Chiral HPLC)	≥ 98.0%
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.