Description

3-Methylene-1,2-Cyclopentanedicarboxylic Acid Dimethyl Ester is a high-purity, functionalized cyclopentane derivative that serves as a versatile synthetic intermediate. Its unique structure, featuring both a reactive methylene group and ester functionalities, makes it a valuable building block for constructing complex molecular architectures. This compound is primarily sought after by R&D chemists and process development scientists in the pharmaceutical and advanced materials sectors for applications in organic synthesis and fine chemical manufacturing.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of complex active pharmaceutical ingredients (APIs) and novel drug candidates, particularly those with cyclopentane-based core structures.
• Organic Synthesis Building Block: Utilized in Diels-Alder reactions, Michael additions, and other cycloaddition or functionalization reactions to create novel organic compounds.
• Fine Chemical Production: Employed in the manufacture of specialty chemicals, including fragrances, flavors, and advanced polymer additives.
• Agrochemical Research: Used as a starting material in the development of new herbicides, pesticides, and plant growth regulators.
• Material Science: Investigated as a monomer or cross-linking agent for the development of specialty polymers and resins with tailored properties.

Basic Information

Product Name	3-Methylene-1,2-Cyclopentanedicarboxylic Acid Dimethyl Ester
CAS No.	74663-84-6
Molecular Formula	C11H14O4
Molecular Weight	210.23 g/mol
Synonyms	Dimethyl 3-Methylene-1,2-cyclopentanedicarboxylate; 3-Methylenepentanedioic Acid Dimethyl Ester; 1,2-Cyclopentanedicarboxylic Acid, 3-Methylene-, Dimethyl Ester; 3-Methylenecyclopentane-1,2-dicarboxylic Acid Dimethyl Ester; NSC 339063
EINECS	Contact for details

Quality Control

Our 3-Methylene-1,2-Cyclopentanedicarboxylic Acid Dimethyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) that detail specifications and results for key parameters such as assay and impurity profiles. Our quality commitment ensures the material meets the high standards required for research and commercial synthesis.

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, sparks, and open flame. For long-term storage, consider storing under an inert atmosphere to maintain optimal purity.

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.