Description

3-Cyclopentene-1-Carboxylicacid,1-Methyl-,Methylester(9Ci) is a specialized organic ester building block of significant interest in advanced synthetic chemistry. This compound matters for its role as a versatile chiral intermediate, enabling the construction of complex molecular architectures with high stereochemical control. Pharmaceutical, agrochemical, and fine chemical R&D teams need it for developing novel active ingredients and functional materials. Its constrained cyclic structure offers unique reactivity for ring-opening and functionalization reactions.

Application

• Pharmaceutical Intermediate: A key chiral synthon in the research and development of novel therapeutic agents, particularly for central nervous system (CNS) and anti-inflammatory targets.
• Agrochemical Synthesis: Used in the preparation of advanced pesticide and herbicide molecules, leveraging its stereochemistry for enhanced biological activity.
• Ligand and Catalyst Development: Serves as a precursor for synthesizing chiral ligands and organocatalysts used in asymmetric synthesis.
• Fine Chemical Production: Employed in the manufacture of specialty chemicals, flavors, and fragrances requiring specific stereoisomers.
• Material Science Research: Acts as a monomer or cross-linking agent in the development of novel polymers with tailored properties.
• Academic & Industrial R&D: A valuable reagent for methodological studies in organic synthesis and process chemistry.

Basic Information

Product Name	3-Cyclopentene-1-Carboxylicacid,1-Methyl-,Methylester(9Ci)
CAS No.	95864-69-0
Molecular Formula	C8H12O2
Molecular Weight	140.18 g/mol
Synonyms	Methyl 1-Methyl-3-cyclopentene-1-carboxylate; 1-Methyl-3-cyclopentene-1-carboxylic Acid Methyl Ester; 3-Cyclopentene-1-carboxylic acid, 1-methyl-, methyl ester; Methyl 1-methylcyclopent-3-ene-1-carboxylate
EINECS	Contact for details

Quality Control

Our 3-Cyclopentene-1-Carboxylicacid,1-Methyl-,Methylester(9Ci) is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatographic purity assessment and identity confirmation, to ensure it meets the high standards required for research and process chemistry. Certificates of Analysis (COA) detailing specific results for purity, enantiomeric excess (where applicable), and impurity profiles are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage under inert atmosphere, please contact our technical team for specific recommendations.

Specification

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