Description

3,4-Dimethyl-2-Cyclopentene-1-Carboxylic Acid Methyl Ester is a versatile and high-purity cyclopentene derivative, serving as a critical chiral building block and synthetic intermediate in advanced organic synthesis. Its unique sterically hindered structure makes it valuable for constructing complex molecular architectures with precise stereochemistry. This compound is essential for research and development chemists in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the synthesis of complex drug candidates, particularly in developing prostaglandin analogs, antiviral agents, and other bioactive molecules.
• 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 precursor for flavors, fragrances, and other high-value specialty chemicals requiring defined stereochemistry.
• Academic & Industrial R&D: Employed in methodological development and catalysis research for constructing cyclopentane and cyclopentene ring systems.
• Material Science: Potential monomer or modifier in the synthesis of specialized polymers with tailored properties.

Basic Information

Product Name	3,4-Dimethyl-2-Cyclopentene-1-Carboxylic Acid Methyl Ester
CAS No.	62185-63-1
Molecular Formula	C9H14O2
Molecular Weight	154.21 g/mol
Synonyms	Methyl 3,4-dimethyl-2-cyclopentene-1-carboxylate; 2-Cyclopentene-1-carboxylic acid, 3,4-dimethyl-, methyl ester; 3,4-Dimethyl-2-cyclopenten-1-carboxylic acid methyl ester; Methyl 3,4-dimethylcyclopent-2-ene-1-carboxylate; 3,4-Dimethyl-1-cyclopentene-1-carboxylic acid methyl ester; 3,4-Dimethyl-2-cyclopentenecarboxylic acid methyl ester
EINECS	Contact for details

Quality Control

Our 3,4-Dimethyl-2-Cyclopentene-1-Carboxylic Acid Methyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatography (GC/HPLC) and spectroscopic methods, to ensure high chemical purity and identity confirmation. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee batch-to-batch consistency and 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, sparks, and open flames. For long-term storage under inert atmosphere, please contact our technical team for specific recommendations.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Specific Rotation (if chiral)	Contact for details

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