Description

2-Methyl-4-Methylene-1-Cyclopentanecarboxylic Acid Methyl Ester is a specialized cyclopentane derivative ester, valued for its unique structural motif that serves as a versatile intermediate in advanced organic synthesis. Its reactive methylene and ester functionalities make it a critical building block for constructing complex molecular architectures. This compound is essential for R&D and production chemists in the pharmaceutical, agrochemical, and fine chemical industries seeking to develop novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key synthon in the synthesis of novel drug candidates, particularly those with complex carbocyclic or spirocyclic structures.
• Agrochemical Synthesis: Used in the research and development of new pesticides and herbicides, leveraging its reactive sites for structural diversification.
• Fine Chemical Production: Serves as a precursor for flavors, fragrances, and other high-value specialty chemicals requiring specific cyclopentane frameworks.
• Material Science Research: Investigated as a monomer or cross-linking agent in the development of advanced polymers with tailored properties.
• Organic Synthesis Building Block: Employed in Diels-Alder reactions, Michael additions, and other cyclization strategies to create complex organic molecules.

Basic Information

Product Name	2-Methyl-4-Methylene-1-Cyclopentanecarboxylic Acid Methyl Ester
CAS No.	74764-24-2
Molecular Formula	C9H14O2
Molecular Weight	154.21 g/mol
Synonyms	Methyl 2-Methyl-4-Methylenecyclopentanecarboxylate; 2-Methyl-4-Methylenecyclopentanecarboxylic Acid Methyl Ester; 1-Cyclopentanecarboxylic Acid, 2-Methyl-4-Methylene-, Methyl Ester; Methyl 2-Methyl-4-Methylenepentanoate (common misnomer); 4-Methylene-2-methylcyclopentanecarboxylic acid methyl ester
EINECS	Contact for details

Quality Control

Our 2-Methyl-4-Methylene-1-Cyclopentanecarboxylic Acid Methyl Ester is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical specifications. Our quality commitment ensures the material meets the high standards required for research and commercial synthesis applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong bases and oxidizing agents. Recommended storage temperature is between 15°C and 25°C. Keep container tightly sealed when not in use to prevent moisture absorption and maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Related Substances (GC)	≤ 2.0% total

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