Description

Cyclopentanone, 2-Acetyl-4-(1-Methylethenyl)-, (4R)- (9Ci) is a chiral, substituted cyclopentanone derivative characterized by its specific stereochemistry and functional groups. This compound matters as a valuable chiral building block and intermediate in advanced organic synthesis, enabling the construction of complex molecular architectures with precise stereocontrol. It is needed by research chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries for applications such as the synthesis of active pharmaceutical ingredients (APIs), natural product analogs, and novel materials.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the research and development of novel therapeutic agents and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the production of advanced, stereospecific pesticides, herbicides, and plant growth regulators.
• Fine Chemical Production: Serves as a critical building block in the synthesis of complex fragrances, flavors, and specialty chemicals requiring high stereochemical purity.
• Academic & Industrial Research: Employed in methodological studies and as a model compound for developing new asymmetric synthesis and catalysis protocols.
• Material Science Precursor: Potential use in the synthesis of specialized polymers or organic electronic materials with tailored properties.

Basic Information

Product Name	Cyclopentanone, 2-Acetyl-4-(1-Methylethenyl)-, (4R)- (9Ci)
CAS No.	200882-11-7
Molecular Formula	C10H14O2
Molecular Weight	166.22 g/mol
Synonyms	(4R)-2-Acetyl-4-isopropenylcyclopentan-1-one; (R)-2-Acetyl-4-isopropenylcyclopentanone; (4R)-2-Acetyl-4-(1-methylethenyl)cyclopentanone; (R)-2-Acetyl-4-(prop-1-en-2-yl)cyclopentanone; (4R)-2-Acetyl-4-(prop-1-en-2-yl)cyclopentan-1-one; (R)-Isopropenyl Acetylcyclopentanone; (4R)-Isopropenyl Acetylcyclopentanone
EINECS	Contact for details

Quality Control

Our Cyclopentanone, 2-Acetyl-4-(1-Methylethenyl)-, (4R)- (9Ci) is produced under strict quality management systems. Every batch undergoes rigorous analytical testing, including chiral purity analysis, to ensure it meets the high standards required for research and process chemistry. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and chiral excess is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

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