Description

Methyl 2-Cyclopentanonecarboxylate is a versatile organic ester and ketone derivative, serving as a crucial building block in advanced chemical synthesis. Its bifunctional structure makes it a valuable intermediate for constructing complex molecular frameworks, particularly in the pharmaceutical and fine chemical industries. This compound is primarily sought after by R&D chemists and process development teams for applications in active pharmaceutical ingredient (API) synthesis, agrochemical development, and the creation of specialty fragrances and flavors.

Application

• Pharmaceutical Intermediate: A key synthon in the synthesis of complex heterocycles and bioactive molecules, including potential central nervous system (CNS) agents and cardiovascular drugs.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides, where its cyclopentanone ring serves as a core structural element.
• Flavor & Fragrance Ingredient: Acts as a precursor for musk-like odorants and sophisticated flavor compounds due to its ester and ketone functionalities.
• Fine Chemical Building Block: Employed in organic research for cyclization reactions, Michael additions, and the preparation of other functionalized cyclopentane derivatives.
• Polymer & Material Science: Can be utilized as a monomer or cross-linking agent in the development of specialty polymers with unique thermal or mechanical properties.

Basic Information

Product Name	Methyl 2-Cyclopentanonecarboxylate
CAS No.	10472-24-9
Molecular Formula	C7H10O3
Molecular Weight	142.15 g/mol
Synonyms	Methyl 2-oxocyclopentanecarboxylate; 2-Carbomethoxycyclopentanone; Methyl cyclopentanone-2-carboxylate; 2-Oxocyclopentanecarboxylic acid methyl ester; Cyclopentanone-2-carboxylic acid methyl ester; 2-Methoxycarbonylcyclopentanone; 2-Ketocyclopentanecarboxylic acid methyl ester
EINECS	233-951-9

Quality Control

Our Methyl 2-Cyclopentanonecarboxylate is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. We employ advanced analytical techniques, including GC and HPLC, to monitor critical parameters such as assay and impurity profiles. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and specific test results is provided with each shipment to support your quality assurance protocols.

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, strong oxidizing agents, and strong bases. For long-term storage, consider maintaining under an inert atmosphere to preserve product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
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.