Description

3-Methyl-4-Methylene-1-Cyclopentanecarboxylic Acid Methyl Ester is a specialized, high-purity cyclopentane derivative serving as a critical chiral building block and intermediate in advanced organic synthesis. Its unique bicyclic structure with an exocyclic methylene group makes it a valuable precursor for synthesizing complex molecules with specific stereochemistry. 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 chiral synthon for the synthesis of prostaglandins, terpenoids, and other bioactive molecules with complex ring systems.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides, where its structural framework contributes to specific biological activity.
• Fine Chemical Production: Serves as a versatile building block for fragrances, flavors, and specialty polymers requiring specific cyclic motifs.
• Academic & Industrial Research: Employed in methodological development for cycloaddition reactions, ring-opening polymerizations, and catalysis studies.
• Material Science: Potential monomer or cross-linking agent for developing novel resins and polymers with tailored thermal and mechanical properties.

Basic Information

Product Name	3-Methyl-4-Methylene-1-Cyclopentanecarboxylic Acid Methyl Ester
CAS No.	62185-62-0
Molecular Formula	C9H14O2
Molecular Weight	154.21 g/mol
Synonyms	Methyl 3-Methyl-4-methylenepentane-1-carboxylate; Methyl 3-Methyl-4-methylenepentanoate; 1-Cyclopentanecarboxylic acid, 3-methyl-4-methylene-, methyl ester; 3-Methyl-4-methylenepentanoic acid methyl ester; 4-Methylene-3-methylcyclopentanecarboxylic acid methyl ester
EINECS	Contact for details

Quality Control

Our production of 3-Methyl-4-Methylene-1-Cyclopentanecarboxylic Acid Methyl Ester adheres to stringent quality management protocols. Each batch is characterized and tested to ensure identity, purity, and consistency, meeting the exacting standards required for synthetic intermediates. Certificates of Analysis (COA) detailing specific results for purity, chiral purity (if applicable), and impurity profiles are provided with every shipment.

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. For long-term storage, consider maintaining under an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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