Description

2-Cyclopentene-1-Carboxylicacid,4-Oxo-,Methylester(9Ci) is a high-purity, specialized organic intermediate with a unique cyclic structure containing both carboxylic ester and ketone functionalities. This compound is valued for its versatility as a key building block in advanced organic synthesis, enabling the construction of complex molecular architectures. It is primarily sought by research institutions and industrial R&D departments in the pharmaceutical, agrochemical, and fine chemical sectors for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the synthesis of novel drug candidates, particularly those with cyclic or fused-ring structures, for therapeutic areas such as oncology and neurology.
• Agrochemical Synthesis: Used in the research and development of new pesticides and herbicides, where its reactive sites allow for the introduction of specific bioactive moieties.
• Fine Chemical Production: Acts as a versatile building block for creating complex fragrance compounds, specialty dyes, and advanced polymer additives.
• Academic & Industrial Research: Employed in methodological studies and as a model compound in organic chemistry research for exploring new catalytic reactions and synthetic pathways.
• Material Science: Investigated for use in the synthesis of specialized monomers that can lead to polymers with unique thermal or optical properties.

Basic Information

Product Name	2-Cyclopentene-1-Carboxylicacid,4-Oxo-,Methylester(9Ci)
CAS No.	59895-12-4
Molecular Formula	C7H8O3
Molecular Weight	140.14 g/mol
Synonyms	4-Oxo-2-cyclopentene-1-carboxylic acid methyl ester; Methyl 4-oxo-2-cyclopentene-1-carboxylate; 2-Cyclopentene-1-carboxylic acid, 4-oxo-, methyl ester; 4-Oxo-2-cyclopenten-1-ylcarboxylic acid methyl ester; Methyl 4-oxocyclopent-2-enecarboxylate; 4-Oxocyclopent-2-enecarboxylic acid methyl ester
EINECS	Contact for details

Quality Control

Our 2-Cyclopentene-1-Carboxylicacid,4-Oxo-,Methylester(9Ci) is manufactured under strict quality management protocols. Every batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with each shipment to support your quality assurance and regulatory needs.

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 strong bases and incompatible organic solvents. For long-term storage, consider maintaining the material under an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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