Description

2-Cyclopentylcyclopent-2-en-1-one is a specialized cyclic ketone building block of significant interest in advanced organic synthesis. Its unique bicyclic structure, featuring a fused cyclopentyl ring, makes it a valuable precursor for creating complex molecular architectures. This compound is primarily sought after by research chemists and process development scientists in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key chiral building block for the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders.
• Agrochemical Synthesis: Used in the research and development of new pesticides and herbicides, leveraging its complex ring system.
• Flavor & Fragrance Chemistry: Serves as a precursor for synthesizing musky or woody aroma compounds used in high-end perfumery.
• Material Science Research: Investigated as a monomer or cross-linking agent for developing novel polymers with specific thermal or mechanical properties.
• Organic Synthesis Reagent: Employed in Diels-Alder reactions and other cycloadditions to construct polycyclic frameworks in academic and industrial R&D.
• Catalyst Ligand Development: Its structure can be modified to create novel ligands for asymmetric catalysis.

Basic Information

Item	Detail
Product Name	2-Cyclopentylcyclopent-2-en-1-one
CAS No.	22354-35-4
Molecular Formula	C10H14O
Molecular Weight	150.22 g/mol
Synonyms	2-Cyclopentyl-2-cyclopenten-1-one; 2-Cyclopentylidenecyclopentanone; Cyclopentylidenecyclopentanone; 1-Cyclopentylidene-2-cyclopentanone; 2-Cyclopentylidene-1-cyclopentanone; 2-Cyclopentyl-1-cyclopenten-3-one (tautomer); Bicyclo[3.3.0]oct-1(5)-en-2-one (bridgehead numbering)
EINECS	Contact for details

Quality Control

Every batch of 2-Cyclopentylcyclopent-2-en-1-one is produced and tested under a strict quality management system. We ensure high purity and consistency through advanced analytical techniques including GC, HPLC, and NMR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to guarantee it meets your specific research or process requirements.

Storage

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

Specification

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