Description

(2-Methyl-5-Oxocyclopentyl)-Oxoacetic Acid Ethyl Ester is a high-purity, specialized organic ester compound that serves as a critical building block in advanced chemical synthesis. This intermediate is valued for its unique cyclopentyl ketone and ester functionalities, enabling precise molecular construction. It is primarily sought after by research institutions and manufacturers in the pharmaceutical and fine chemical sectors for developing novel active ingredients and complex organic molecules.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of complex drug molecules, particularly those with cyclopentane-based structures.
• Fine Chemical Synthesis: Used in the production of specialty chemicals, flavors, and fragrances requiring specific stereochemistry.
• Agrochemical Research: Serves as a building block for developing new active ingredients in crop protection agents.
• Academic & Industrial R&D: Employed in organic chemistry research for method development and exploring new reaction pathways.
• Material Science: Potential monomer or intermediate for synthesizing specialized polymers and advanced materials.

Basic Information

Product Name	(2-Methyl-5-Oxocyclopentyl)-Oxoacetic Acid Ethyl Ester
CAS No.	856256-58-1
Molecular Formula	C10H14O4
Molecular Weight	198.22 g/mol
Synonyms	Ethyl (2-Methyl-5-oxocyclopentyl)oxoacetate; Ethyl 2-(2-Methyl-5-oxocyclopentyl)-2-oxoacetate; 2-Oxo-2-(2-methyl-5-oxocyclopentyl)acetic acid ethyl ester; 2-(2-Methyl-5-oxocyclopentyl)-2-oxoacetic Acid Ethyl Ester; 5-Oxo-2-methylcyclopentane-1-carboxylic acid, 2-oxo-, ethyl ester
EINECS	Contact for details

Quality Control

Our (2-Methyl-5-Oxocyclopentyl)-Oxoacetic Acid Ethyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing purity (typically >97% by HPLC), physical characteristics, and impurity profiles is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from incompatible materials such as strong bases and oxidizing agents. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

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