Description

Ethyl 3-Oxocyclopentane-1-Carboxylate is a versatile cyclic keto ester building block essential for advanced organic synthesis. This compound is valued for its reactive carbonyl and ester functionalities, enabling the construction of complex molecular frameworks. It is primarily sought by research and development chemists in the pharmaceutical, agrochemical, and fine chemical industries for applications in medicinal chemistry and material science.

Application

• Pharmaceutical Intermediate: A key synthon in the synthesis of prostaglandins, steroid analogs, and other bioactive molecules with cyclic structures.
• Agrochemical Synthesis: Used in the development of novel pesticides and herbicides, leveraging its cyclic scaffold.
• Fine Chemical Production: Serves as a precursor for flavors, fragrances, and specialty chemicals requiring functionalized cyclopentane rings.
• Academic & Industrial R&D: Employed in methodological studies for novel ring-forming reactions, annulations, and asymmetric synthesis.
• Material Science: Investigated as a monomer or building block for polymers and advanced materials with specific thermal or optical properties.

Basic Information

Product Name	Ethyl 3-Oxocyclopentane-1-Carboxylate
CAS No.	5400-79-3
Molecular Formula	C8H12O3
Molecular Weight	156.18 g/mol
Synonyms	Ethyl 3-Oxocyclopentanecarboxylate; 3-Oxocyclopentanecarboxylic Acid Ethyl Ester; Ethyl Cyclopentanone-3-carboxylate; 1-Carbethoxy-3-cyclopentanone; Ethyl 3-Ketocyclopentanecarboxylate; NSC 406925; Ethyl 3-Oxo-1-cyclopentanecarboxylate
EINECS	226-447-5

Quality Control

Our Ethyl 3-Oxocyclopentane-1-Carboxylate is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chromatography (GC/HPLC) and spectroscopy (IR, NMR), to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance protocols.

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 strong bases and incompatible materials. For long-term storage, consider 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%
Refractive Index (n20D)	1.450 - 1.460
Density (g/mL, 20°C)	1.080 - 1.120

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.