Description

Cyclopentanecarboxylic Acid, 3-Ethoxy-2-Oxo-, Ethyl Ester (9Ci) is a specialized organic ester compound with the CAS number 149194-92-3. This chemical serves as a valuable building block and intermediate in advanced organic synthesis, enabling the construction of complex molecular architectures. It is primarily sought after by pharmaceutical R&D and fine chemical industries for the development of novel active compounds and functional materials.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of new active pharmaceutical ingredients (APIs), particularly for complex cyclic structures.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides, leveraging its functionalized cyclopentane core.
• Organic Synthesis Building Block: Employed in academic and industrial laboratories for constructing complex molecules, including natural product analogs and specialty chemicals.
• Material Science Research: Acts as a precursor in the development of novel polymers or functional organic materials with specific properties.
• Flavor & Fragrance Industry: Potential intermediate for synthesizing specific ester-based aroma compounds, subject to regulatory approval and purity grades.

Basic Information

Product Name	Cyclopentanecarboxylic Acid, 3-Ethoxy-2-Oxo-, Ethyl Ester (9Ci)
CAS No.	149194-92-3
Molecular Formula	C10H16O4
Molecular Weight	200.23 g/mol
Synonyms	Ethyl 3-Ethoxy-2-oxocyclopentanecarboxylate; 3-Ethoxy-2-oxocyclopentanecarboxylic Acid Ethyl Ester; 2-Oxo-3-ethoxycyclopentanecarboxylic Acid Ethyl Ester; Cyclopentanecarboxylic acid, 3-ethoxy-2-oxo-, ethyl ester; Ethyl 3-ethoxy-2-oxocyclopentane-1-carboxylate
EINECS	Contact for details

Quality Control

Our production of Cyclopentanecarboxylic Acid, 3-Ethoxy-2-Oxo-, Ethyl Ester (9Ci) adheres to stringent quality protocols to ensure batch-to-batch consistency and reliability for your critical syntheses. All materials are accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles. We support cGMP and ISO compliant manufacturing practices, with specifications available for various R&D and commercial grades.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (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.