Description

Dimethyl 4-Oxo-1,2-Cyclopentanedicarboxylate is a high-purity, versatile diester building block in organic synthesis. This compound is valued for its reactive keto and ester functional groups, enabling its use as a key intermediate in the production of complex molecules. It is primarily sought by R&D chemists and process development teams in the pharmaceutical, agrochemical, and fine chemical industries for constructing cyclic frameworks and advanced synthetic targets.

Application

• Pharmaceutical Intermediate: A crucial building block for synthesizing active pharmaceutical ingredients (APIs) and novel drug candidates, particularly those with cyclopentane or related ring structures.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides, herbicides, and plant growth regulators.
• Fine Chemical Production: Serves as a precursor for specialty chemicals, flavors, fragrances, and advanced material monomers.
• Academic & Industrial R&D: A valuable reagent in method development and exploratory chemistry for creating new heterocyclic compounds and complex organic architectures.
• Chemical Synthesis: Employed in reactions such as Dieckmann condensations, Michael additions, and other transformations leveraging its dual ester and ketone functionality.

Basic Information

Product Name	Dimethyl 4-Oxo-1,2-Cyclopentanedicarboxylate
CAS No.	6453-07-2
Molecular Formula	C9H12O5
Molecular Weight	200.19 g/mol
Synonyms	1,2-Cyclopentanedicarboxylic acid, 4-oxo-, dimethyl ester; Dimethyl 4-oxocyclopentane-1,2-dicarboxylate; 4-Oxo-1,2-cyclopentanedicarboxylic acid dimethyl ester; Methyl 4-oxo-1,2-cyclopentanedicarboxylate; 4-Keto-1,2-cyclopentanedicarboxylic acid dimethyl ester
EINECS	229-250-4

Quality Control

Our Dimethyl 4-Oxo-1,2-Cyclopentanedicarboxylate is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the exacting standards required for research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment and is available upon request.

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 should be kept tightly sealed to prevent moisture absorption.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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