Description

2-Cyclopentene-1-Carboxylicacid,1-Methyl-,Methylester(9Ci) is a specialized organic ester compound, identified by CAS No. 68317-73-7, that serves as a valuable building block in advanced chemical synthesis. Its functionalized cyclopentene core makes it a versatile intermediate for constructing complex molecular architectures, particularly in the pharmaceutical and agrochemical sectors. This product is essential for research and development chemists and process engineers seeking high-purity, reliable intermediates for active pharmaceutical ingredient (API) development and fine chemical manufacturing.

Application

• Pharmaceutical Intermediate: A key chiral synthon in the synthesis of prostaglandins, antiviral agents, and other bioactive molecules with cyclopentane/cyclopentene ring systems.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides, where its structure contributes to specific biological activity.
• Fine Chemical Production: Serves as a precursor for flavors, fragrances, and specialty polymers requiring specific stereochemistry.
• Organic Synthesis Research: Employed in academic and industrial R&D for Diels-Alder reactions, ring-opening metathesis polymerization (ROMP), and other cycloaddition chemistry.
• Material Science: Potential monomer or cross-linking agent for developing novel polymeric materials with unique thermal or mechanical properties.

Basic Information

Product Name	2-Cyclopentene-1-Carboxylicacid,1-Methyl-,Methylester(9Ci)
CAS No.	68317-73-7
Molecular Formula	C8H12O2
Molecular Weight	140.18 g/mol
Synonyms	Methyl 1-Methyl-2-cyclopentene-1-carboxylate; 1-Methyl-2-cyclopentene-1-carboxylic Acid Methyl Ester; 1-Methylcyclopent-2-ene-1-carboxylic acid methyl ester; Methyl 1-methylcyclopent-2-ene-1-carboxylate; 2-Cyclopentene-1-carboxylic acid, 1-methyl-, methyl ester; (1-Methyl-2-cyclopenten-1-yl)carboxylic acid methyl ester
EINECS	Contact for details

Quality Control

Our 2-Cyclopentene-1-Carboxylicacid,1-Methyl-,Methylester(9Ci) is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including chromatography (GC/HPLC) and spectroscopy (NMR, IR), to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications. We support cGMP standards for pharmaceutical applications and can tailor purity grades to meet specific project requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong bases and incompatible materials such as strong oxidizing agents. 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 (GC)	≥ 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.