Description

2-Cyclopentene-1-Carboxylicacid,1-Methyl-4-Methylene-,Methylester(9Ci) is a specialized organic compound featuring a cyclopentene core with methylene and methyl ester functional groups, making it a valuable chiral building block and intermediate in advanced organic synthesis. Its unique structure is critical for constructing complex molecular architectures, offering chemists precise control over stereochemistry and functional group introduction. This high-purity intermediate is essential for research and development in the pharmaceutical and agrochemical industries, where it is used to synthesize novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Serves as a key chiral synthon in the synthesis of proprietary drug candidates, particularly for central nervous system (CNS) and anti-inflammatory targets.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, leveraging its structure for bioactive molecule design.
• Fine Chemical Production: Acts as a precursor for flavors, fragrances, and other specialty chemicals requiring specific stereochemical configurations.
• Academic & Industrial R&D: A valuable reagent for methodological development in organic chemistry, including studies on cycloaddition reactions and asymmetric catalysis.
• Material Science Research: Investigated as a monomer or precursor for specialized polymers with potential applications in advanced coatings or electronics.

Basic Information

Item	Details
Product Name	2-Cyclopentene-1-Carboxylicacid,1-Methyl-4-Methylene-,Methylester(9Ci)
CAS No.	84883-95-4
Molecular Formula	C9H12O2
Molecular Weight	152.19 g/mol
Synonyms	Methyl 1-Methyl-4-methylene-2-cyclopentene-1-carboxylate; 1-Methyl-4-methylene-2-cyclopentene-1-carboxylic Acid Methyl Ester; 2-Cyclopentene-1-carboxylic acid, 1-methyl-4-methylene-, methyl ester; (1-Methyl-4-methylidene-2-cyclopenten-1-yl)methyl carboxylate
EINECS	Contact for details

Quality Control

Our production of 2-Cyclopentene-1-Carboxylicacid,1-Methyl-4-Methylene-,Methylester(9Ci) adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity for sensitive synthetic applications. Each lot is characterized using advanced analytical techniques including GC, HPLC, and NMR to confirm identity and purity. Certificates of Analysis (COA) detailing all specifications are provided with every shipment. We operate under a cGMP-compliant quality management system to meet the rigorous standards of the pharmaceutical and fine chemical industries.

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 heat, sparks, and open flame. For long-term storage under an inert atmosphere (e.g., nitrogen or argon) is recommended to maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Purity (HPLC)	≥ 96.0%
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.