Description

Cyclopentanecarboxylic Acid, 3-Methyl-2-Oxo-, Ethyl Ester CAS NO 7424-85-3 is a high-purity, versatile keto ester building block with significant synthetic utility. This compound is valued for its role as a key chiral intermediate in the synthesis of complex organic molecules, particularly in the pharmaceutical sector. It is essential for researchers and manufacturers in fine chemical, agrochemical, and advanced material development who require reliable, high-quality intermediates for multi-step synthesis.

Application

• Pharmaceutical Intermediate: A critical chiral synthon for the synthesis of active pharmaceutical ingredients (APIs), particularly in the development of prostaglandins, steroids, and other bioactive molecules.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides, where its specific stereochemistry contributes to the biological activity of the final product.
• Fine Chemical Production: Serves as a versatile building block in organic synthesis for creating complex esters, lactones, and other specialty chemicals.
• Fragrance and Flavor Industry: Potential use in the synthesis of specific aroma chemicals and flavoring agents due to its ester functional group and structural complexity.
• Academic and R&D: Employed in research laboratories for methodological development in asymmetric synthesis and the study of novel reaction pathways.
• Material Science: Can be utilized as a monomer or precursor in the synthesis of specialized polymers and advanced organic materials.

Basic Information

Item	Detail
Product Name	Cyclopentanecarboxylic Acid, 3-Methyl-2-Oxo-, Ethyl Ester
CAS No.	7424-85-3
Molecular Formula	C9H14O3
Molecular Weight	170.21 g/mol
Synonyms	Ethyl 3-Methyl-2-oxocyclopentanecarboxylate; 3-Methyl-2-oxocyclopentanecarboxylic Acid Ethyl Ester; 2-Oxo-3-methylcyclopentanecarboxylic Acid Ethyl Ester; Ethyl 3-Methyl-2-oxocyclopentane-1-carboxylate; 1-Carbethoxy-3-methyl-2-cyclopentanone; 3-Methyl-2-oxocyclopentane-1-carboxylic Acid Ethyl Ester
EINECS	Contact for details

Quality Control

Our Cyclopentanecarboxylic Acid, 3-Methyl-2-Oxo-, Ethyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatography (HPLC, GC) and spectroscopic methods (IR, NMR), to ensure high chemical purity and consistent enantiomeric excess where applicable. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to support your quality assurance and regulatory needs.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Specific Rotation (if chiral)	Contact for details

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