Description

Cyclopentaneacetic Acid, A,2-Dioxo-, Ethyl Ester is a high-purity specialty ester with a unique cyclic structure, serving as a versatile building block in advanced organic synthesis. Its value lies in providing a rigid, functionalized cyclopentane core that is crucial for constructing complex molecular architectures with specific stereochemical and physical properties. This compound is essential for research chemists and process development scientists in the pharmaceutical, agrochemical, and material science industries seeking to develop novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key synthon for the development of novel active pharmaceutical ingredients (APIs), particularly those targeting central nervous system (CNS) disorders or requiring specific conformational rigidity.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, where its structure can contribute to biological activity and environmental stability.
• Material Science Research: Acts as a monomer or cross-linking agent in the development of specialty polymers, resins, and liquid crystals with tailored thermal and mechanical properties.
• Flavor & Fragrance Chemistry: Serves as a precursor for synthesizing complex aroma compounds and musk analogs, leveraging its cyclic ester framework.
• Organic Synthesis Building Block: Employed in academic and industrial R&D for cycloaddition reactions, ring-opening polymerizations, and as a scaffold for library synthesis in drug discovery.

Basic Information

Product Name	Cyclopentaneacetic Acid, A,2-Dioxo-, Ethyl Ester
CAS No.	39163-39-8
Molecular Formula	C9H12O3
Molecular Weight	168.19 g/mol
Synonyms	Ethyl 2-oxocyclopentaneacetate; 2-Oxocyclopentaneacetic acid ethyl ester; Ethyl (2-oxocyclopentyl)acetate; Cyclopentanone-2-acetic acid ethyl ester; 2-(Ethoxycarbonylmethyl)cyclopentanone; NSC 163045; Ethyl cyclopentanone-2-acetate
EINECS	Contact for details

Quality Control

Our Cyclopentaneacetic Acid, A,2-Dioxo-, Ethyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatography (HPLC/GC) and spectroscopy (IR, NMR), to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all specified parameters. Our quality commitment supports applications requiring high standards, from research to pilot-scale cGMP synthesis.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat sources, open flames, and incompatible materials such as strong oxidizing agents, strong bases, and strong acids. The container should be kept tightly sealed to prevent moisture absorption and potential degradation.

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.