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 synthesis. This compound is significant for its role in creating complex molecular architectures, particularly in the development of active pharmaceutical ingredients and high-value agrochemicals. It is primarily needed by research chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries seeking to introduce stereochemical complexity and cyclopropane motifs into target molecules.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the research and development of novel active pharmaceutical ingredients (APIs), especially those requiring cyclopropane ring systems.
• Agrochemical Synthesis: Used in the creation of advanced pesticides and herbicides where the stereochemistry and rigid structure can influence biological activity.
• Fine Chemical Production: Serves as a building block in the synthesis of specialty chemicals, flavors, and fragrances requiring specific three-dimensional shapes.
• Academic & Industrial Research: A valuable reagent in methodological chemistry research for studying cyclopropanation reactions and asymmetric synthesis.
• Material Science Precursor: Potential use in synthesizing specialized monomers or ligands for advanced polymeric or catalytic materials.

Basic Information

Product Name	Ethanone, 1-(2,3-Dimethylcyclopropyl)-, (1Alpha,2Alpha,3Beta)-(-)- (9Ci)
CAS No.	66769-48-0
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; 1-(2,3-Dimethylcyclopropyl)ethanone; 2,3-Dimethylcyclopropyl methyl ketone; Chiral Dimethylcyclopropyl Methyl Ketone
EINECS	Contact for details

Quality Control

Our Ethanone, 1-(2,3-Dimethylcyclopropyl)-, (1Alpha,2Alpha,3Beta)-(-)- (9Ci) is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including chiral purity assessment by HPLC and GC, to ensure it meets the high standards required for research and process chemistry. A detailed Certificate of Analysis (COA) specifying identity, purity, enantiomeric excess, and impurity profile is provided with every shipment to guarantee reproducible results and supply chain reliability.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated place. Recommended long-term storage temperature is 2-8°C. Allow the container to reach room temperature before opening to minimize moisture ingress and degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Purity (GC)	≥ 97.0%
Enantiomeric Excess (Chiral HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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