Description

Cyclopentanone, 2-Acetyl-4-(1-Methylethenyl)-, (2S-Trans)- (9Ci) is a high-purity, chiral cyclopentanone derivative characterized by its specific stereochemistry and functional groups. This compound serves as a valuable advanced pharmaceutical intermediate (API) and a versatile building block in organic synthesis, enabling the construction of complex molecular architectures. It is primarily utilized by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries for the development of novel active ingredients and specialty materials.

Application

• Pharmaceutical Intermediate: Key chiral synthon for the synthesis of potential drug candidates, particularly in central nervous system (CNS) and anti-inflammatory research.
• Agrochemical Synthesis: Building block for developing novel pesticides and herbicides with specific stereochemical activity.
• Fine Chemical Production: Precursor in the manufacture of specialty chemicals, flavors, and fragrances requiring defined stereochemistry.
• Academic & Industrial R&D: Used in methodological studies and as a reference standard in asymmetric synthesis and catalysis research.
• Material Science: Potential monomer or cross-linking agent in the development of specialized polymers.

Basic Information

Product Name	Cyclopentanone, 2-Acetyl-4-(1-Methylethenyl)-, (2S-Trans)- (9Ci)
CAS No.	165067-79-8
Molecular Formula	C10H14O2
Molecular Weight	166.22 g/mol
Synonyms	(2S-trans)-2-Acetyl-4-isopropenylcyclopentanone; (2S,4S)-2-Acetyl-4-vinylidenecyclopentanone; 4-Isopropenyl-2-acetylcyclopentanone; 2-Acetyl-4-(1-methylethenyl)cyclopentanone, (2S-trans)-; (-)-2-Acetyl-4-isopropenylcyclopentanone; (2S,4S)-2-Acetyl-4-isopropenylcyclopentan-1-one; A chiral terpenoid ketone derivative.
EINECS	Contact for details

Quality Control

Our Cyclopentanone, 2-Acetyl-4-(1-Methylethenyl)-, (2S-Trans)- (9Ci) is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including chiral HPLC, to ensure high enantiomeric purity and chemical identity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing purity, assay, and impurity profiles to support your regulatory and R&D requirements.

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 strong acids and incompatible organic solvents. For long-term storage, consider under an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Enantiomeric Purity (Chiral HPLC)	≥ 98.0% ee
Specific Rotation	Contact for details
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.