Description

3-Cyclopentene-1-Carboxylicacid,1-Methyl-2-Oxo-,Methylester(9Ci) is a specialized organic compound featuring a cyclopentene ring fused with a methyl ester and oxo functional groups. This unique structure makes it a valuable and versatile building block for advanced organic synthesis, particularly in the development of complex pharmaceutical intermediates and fine chemicals. It is essential for research chemists and process development scientists in the pharmaceutical, agrochemical, and material science industries who require high-purity, structurally defined intermediates to drive innovation.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of active pharmaceutical ingredients (APIs) and novel drug candidates, particularly those requiring complex cyclic frameworks.
• Agrochemical Synthesis: Used in the research and development of new pesticides, herbicides, and plant growth regulators where its specific ring structure imparts desired biological activity.
• Fine Chemical Production: Acts as a crucial building block for creating specialty chemicals, flavors, fragrances, and advanced material precursors.
• Academic & Industrial R&D: Employed in organic chemistry research for method development, catalysis studies, and the exploration of new chemical reactions and pathways.
• Material Science: Potential monomer or modifier in the synthesis of specialized polymers and advanced organic materials with tailored properties.

Basic Information

Product Name	3-Cyclopentene-1-Carboxylicacid,1-Methyl-2-Oxo-,Methylester(9Ci)
CAS No.	163131-87-1
Molecular Formula	C8H10O3
Molecular Weight	154.16 g/mol
Synonyms	1-Methyl-2-oxo-3-cyclopentene-1-carboxylic acid methyl ester; Methyl 1-methyl-2-oxocyclopent-3-ene-1-carboxylate; 3-Cyclopentene-1-carboxylic acid, 1-methyl-2-oxo-, methyl ester; 1-Methyl-2-oxo-3-cyclopenten-1-carboxylic Acid Methyl Ester
EINECS	Contact for details

Quality Control

Our production of 3-Cyclopentene-1-Carboxylicacid,1-Methyl-2-Oxo-,Methylester(9Ci) adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistent chemical identity. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). Keep away from strong bases and incompatible materials such as strong oxidizing agents. The container must be kept tightly closed to prevent moisture absorption and potential degradation.

Specification

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