Description

1,2-Cyclopentanedicarboxylic Acid, Dimethyl Ester, trans-(.+/-.)- CAS NO 80656-12-8 is a high-purity diester derivative of cyclopentanedicarboxylic acid, valued as a versatile chiral building block and intermediate in advanced organic synthesis. Its rigid, bicyclic-like structure and ester functionalities make it a critical precursor for constructing complex molecular architectures. This compound is essential for research and development in the pharmaceutical, agrochemical, and specialty chemical industries, where it is used to synthesize active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a key chiral synthon in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for central nervous system (CNS) and cardiovascular drugs.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators that require specific stereochemistry.
• Ligand and Catalyst Preparation: Acts as a precursor for chiral ligands and organocatalysts used in asymmetric synthesis.
• Polymer Chemistry: Employed as a monomer or co-monomer to introduce rigidity and specific functional groups into polyesters and other specialty polymers.
• Flavor and Fragrance Industry: Utilized in the synthesis of complex aroma chemicals and musk analogs.
• Material Science Research: Investigated for developing liquid crystals, organic semiconductors, and other advanced functional materials.

Basic Information

Product Name	1,2-Cyclopentanedicarboxylic Acid, Dimethyl Ester, trans-(.+/-.)-
CAS No.	80656-12-8
Molecular Formula	C10H14O4
Molecular Weight	198.22 g/mol
Synonyms	trans-(±)-1,2-Cyclopentanedicarboxylic Acid Dimethyl Ester; Dimethyl trans-(±)-1,2-Cyclopentanedicarboxylate; trans-1,2-Cyclopentanedicarboxylic Acid Dimethyl Ester; DL-trans-1,2-Cyclopentanedicarboxylic Acid Dimethyl Ester; (±)-trans-1,2-Cyclopentanedicarboxylic Acid Dimethyl Ester; Cyclopentane-1,2-dicarboxylic acid, dimethyl ester, trans-(±)-; 1,2-Cyclopentanedicarboxylic acid, 1,2-dimethyl ester, trans-(±)-
EINECS	Contact for details

Quality Control

Our 1,2-Cyclopentanedicarboxylic Acid, Dimethyl Ester, trans-(.+/-.)- is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including chromatography (HPLC, GC) and spectroscopy (IR, NMR), to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided and available upon request to support your quality assurance and regulatory compliance needs.

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 storing under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Specific Rotation	Contact for details
Residue on Ignition	≤ 0.1%

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