Description

3-Methyl-4-Methylene-1,2-Cyclopentanedicarboxylic Acid Dimethyl Ester is a high-purity, functionalized cyclopentane derivative that serves as a versatile and valuable synthetic intermediate. Its unique bicyclic structure with both methylene and ester functionalities makes it a critical building block for the development of complex organic molecules. This compound is essential for researchers and manufacturers in the pharmaceutical and fine chemical sectors seeking to create novel compounds with specific stereochemistry and reactivity.

Application

• Pharmaceutical Intermediate: A key chiral synthon in the research and synthesis of active pharmaceutical ingredients (APIs), particularly for compounds with complex cyclic frameworks.
• Fine Chemical Synthesis: Used in the production of specialty chemicals, including advanced polymers, liquid crystals, and performance materials requiring specific structural motifs.
• Agrochemical Research: Serves as a precursor in the development of new herbicides, fungicides, and plant growth regulators.
• Flavor and Fragrance Industry: Potential intermediate for synthesizing complex terpenoid-like aroma compounds and musk analogs.
• Academic and R&D Laboratories: A valuable reagent for methodological studies in organic synthesis, including cycloaddition reactions and catalytic transformations.
• Material Science: Investigated as a monomer or cross-linking agent for creating novel polymeric networks with tailored properties.

Basic Information

Product Name	3-Methyl-4-Methylene-1,2-Cyclopentanedicarboxylic Acid Dimethyl Ester
CAS No.	74764-50-4
Molecular Formula	C12H16O4
Molecular Weight	224.25 g/mol
Synonyms	Dimethyl 3-Methyl-4-methylene-1,2-cyclopentanedicarboxylate; 1,2-Cyclopentanedicarboxylic acid, 3-methyl-4-methylene-, dimethyl ester; 3-Methyl-4-methylenepentanedioic acid dimethyl ester (related); Methyl 3-methyl-4-methylene-1,2-cyclopentanedicarboxylate; Cyclopentane-1,2-dicarboxylic acid, 3-methyl-4-methylene-, dimethyl ester
EINECS	Contact for details

Quality Control

Our 3-Methyl-4-Methylene-1,2-Cyclopentanedicarboxylic Acid Dimethyl Ester is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including chromatography (HPLC, GC) and spectroscopic methods (NMR, IR), to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical quality attributes. Our commitment to cGMP principles ensures a reliable supply for demanding applications in research and development.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from incompatible materials such as strong bases and strong oxidizing agents. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Identification (NMR)	Conforms to structure
Purity (HPLC/GC)	≥ 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.