Description

Cyclopentanone, 2-Acetyl-4-(1-Methylethenyl)-, (2R-Cis)- (9Ci) is a high-purity, chiral cyclopentanone derivative with a defined stereochemistry, serving as a critical advanced intermediate in complex organic syntheses. Its value lies in providing a stereochemically controlled building block, enabling the efficient production of target molecules with high enantiomeric purity. This compound is essential for researchers and manufacturers in the pharmaceutical and fine chemical industries, particularly for developing active pharmaceutical ingredients (APIs), fragrances, and specialty agrochemicals.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the synthesis of complex drug candidates and active pharmaceutical ingredients (APIs), especially in stereoselective reactions.
• Fine Chemical Synthesis: Used in the research and production of specialty chemicals, including complex natural product analogs and performance materials.
• Fragrance and Flavor Precursor: Serves as a building block for creating sophisticated musk-like or woody odorants and flavor compounds.
• Agrochemical Research: Employed in developing novel, high-efficacy pesticides and herbicides with specific stereochemical requirements.
• Academic and R&D: A valuable reagent for methodological studies in organic chemistry, particularly in catalysis and asymmetric synthesis.
• Material Science: Potential precursor for specialized polymers or ligands used in catalytic systems.

Basic Information

Product Name	Cyclopentanone, 2-Acetyl-4-(1-Methylethenyl)-, (2R-Cis)- (9Ci)
CAS No.	165173-39-7
Molecular Formula	C10H14O2
Molecular Weight	166.22 g/mol
Synonyms	(2R,4S)-2-Acetyl-4-isopropenylcyclopentan-1-one; (2R-cis)-2-Acetyl-4-(1-methylethenyl)cyclopentanone; 2-Acetyl-4-isopropenylcyclopentanone (cis, R); 4-Isopropenyl-2-acetylcyclopentanone; A chiral acetylcyclopentanone derivative
EINECS	Contact for details

Quality Control

Our Cyclopentanone, 2-Acetyl-4-(1-Methylethenyl)-, (2R-Cis)- (9Ci) is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity analysis by HPLC, to ensure high enantiomeric excess (ee) and chemical purity. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment to guarantee batch-to-batch consistency and traceability for your R&D and production needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (typically 15-25°C). Keep away from heat sources and incompatible materials. For long-term storage under inert atmosphere, please contact us for specific recommendations.

Specification

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