Description

Cyclopentanecarboxylic Acid, 1-Cyano-2-Ethenyl-, Ethyl Ester (9Ci) is a specialized organic building block featuring a cyclopentane core functionalized with cyano and ethenyl groups. This compound matters for its unique molecular architecture, which makes it a valuable intermediate in the synthesis of complex, high-value molecules, particularly in advanced pharmaceutical research and fine chemical manufacturing. Industries such as pharmaceutical R&D, agrochemical development, and specialty material science need this chemical for constructing novel compounds with targeted biological or physical properties.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of novel active pharmaceutical ingredients (APIs), particularly for candidates with complex cyclic structures.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators that require specific stereochemistry.
• Fine Chemical Manufacturing: Serves as a crucial building block for synthesizing specialty chemicals, including dyes, fragrances, and performance materials.
• Material Science Research: Employed in the development of novel polymers, liquid crystals, or organic electronic materials due to its functionalized cyclic structure.
• Academic & Industrial R&D: Utilized in chemical libraries for high-throughput screening and medicinal chemistry programs to explore new structure-activity relationships.

Basic Information

Product Name	Cyclopentanecarboxylic Acid, 1-Cyano-2-Ethenyl-, Ethyl Ester (9Ci)
CAS No.	295314-64-6
Molecular Formula	C11H15NO2
Molecular Weight	193.24 g/mol
Synonyms	Ethyl 1-cyano-2-vinylcyclopentanecarboxylate; 1-Cyano-2-ethenylcyclopentanecarboxylic Acid Ethyl Ester; 2-Vinyl-1-cyanocyclopentanecarboxylic Acid Ethyl Ester; Cyclopentanecarboxylic acid, 1-cyano-2-ethenyl-, ethyl ester; Ethyl (1-cyano-2-vinylcyclopentane)carboxylate; 295314-64-6; 1-Cyano-2-vinyl-cyclopentanecarboxylic acid ethyl ester
EINECS	Contact for details

Quality Control

Our Cyclopentanecarboxylic Acid, 1-Cyano-2-Ethenyl-, Ethyl Ester (9Ci) is produced under a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment 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 room temperature (15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases.

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.