Description

1-Cyclopentene-1-Carboxylicacid,5-Ethyl-,Methylester(9Ci) is a specialized organic ester compound that serves as a valuable intermediate in advanced synthetic chemistry. This product matters for its role in constructing complex molecular architectures, particularly in the development of novel active pharmaceutical ingredients (APIs) and high-performance materials. It is primarily needed by research and development chemists, process development scientists, and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to innovate and scale new synthetic pathways.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs), particularly for compounds with cyclopentene-based core structures.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides, herbicides, and fungicides where its specific ring system imparts desired biological activity.
• Organic Synthesis & Research: Serves as a versatile intermediate in academic and industrial laboratories for constructing complex organic molecules, including natural product analogs and functional materials.
• Material Science Precursor: Potential use in the development of specialty polymers, liquid crystals, or organic electronic materials due to its functionalized cyclic olefin structure.
• Flavor & Fragrance Industry: May be utilized in the synthesis of specific aroma chemicals where ester functionalities and cyclic backbones are required.

Basic Information

Product Name	1-Cyclopentene-1-Carboxylicacid,5-Ethyl-,Methylester(9Ci)
CAS No.	182683-18-7
Molecular Formula	C9H14O2
Molecular Weight	154.21 g/mol
Synonyms	5-Ethyl-1-cyclopentene-1-carboxylic acid methyl ester; Methyl 5-ethyl-1-cyclopentene-1-carboxylate; 1-Cyclopentene-1-carboxylic acid, 5-ethyl-, methyl ester; 5-Ethylcyclopent-1-ene-1-carboxylic acid methyl ester; Methyl 5-ethylcyclopent-1-ene-1-carboxylate
EINECS	Contact for details

Quality Control

Our 1-Cyclopentene-1-Carboxylicacid,5-Ethyl-,Methylester(9Ci) is produced under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing specific results for purity, assay, and impurity profiles are provided with every shipment. We support custom synthesis and can tailor specifications to meet your project's specific requirements, including compliance with cGMP standards for pharmaceutical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (typically 15-25°C). Keep away from heat, sparks, and open flames. For long-term storage, consider storing under an inert atmosphere such as nitrogen to maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Purity (GC)	≥ 98.0%
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.