Description

4-Ethylidene-1,2-Cyclopentanedicarboxylic Acid Dimethyl Ester is a high-purity, functionalized cyclopentane derivative serving as a versatile chemical intermediate. This compound is valued for its unique bicyclic structure and reactive ester groups, which enable its use in sophisticated organic synthesis and polymer chemistry. It is primarily sought by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors for developing novel active ingredients and specialty polymers.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs), particularly those with constrained cyclic frameworks.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and plant growth regulators requiring specific stereochemistry.
• Polymer & Resin Modifier: Acts as a monomer or cross-linking agent in the production of specialty polymers, coatings, and adhesives to impart specific mechanical or chemical resistance properties.
• Fine Chemical Production: Serves as a precursor for other fine chemicals and chiral auxiliaries used in asymmetric synthesis.
• Material Science Research: Employed in academic and industrial R&D for creating novel organic frameworks, ligands for catalysis, and advanced organic electronic materials.

Basic Information

Product Name	4-Ethylidene-1,2-Cyclopentanedicarboxylic Acid Dimethyl Ester
CAS No.	74793-65-0
Molecular Formula	C12H16O4
Molecular Weight	224.25 g/mol
Synonyms	Dimethyl 4-ethylidene-1,2-cyclopentanedicarboxylate; 4-Ethylidene-1,2-cyclopentanedicarboxylic acid dimethyl ester; 1,2-Cyclopentanedicarboxylic acid, 4-ethylidene-, dimethyl ester; 4-Ethylidenecyclopentane-1,2-dicarboxylic acid dimethyl ester
EINECS	Contact for details

Quality Control

Our production of 4-Ethylidene-1,2-Cyclopentanedicarboxylic Acid Dimethyl Ester adheres to stringent quality management protocols. Each batch is analyzed using advanced chromatographic and spectroscopic techniques (HPLC, GC, NMR) to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment to guarantee it meets the rigorous standards required for research and industrial synthesis.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	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.