Description

Cyclopropanecarboxylic Acid, 1-Ethenyl-, Ethyl Ester (9Ci) is a specialized organic ester building block featuring a reactive vinyl group attached to a cyclopropane ring. This unique molecular architecture makes it a valuable intermediate for synthesizing complex molecules in advanced research and development. It is primarily sought after by pharmaceutical and agrochemical R&D teams for constructing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key synthon for the development of novel drug candidates, particularly those requiring a strained cyclopropane moiety for biological activity or metabolic stability.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, where the cyclopropane structure can confer specific biological properties.
• Material Science Research: Serves as a monomer or cross-linking agent in the development of specialty polymers with unique mechanical or chemical properties.
• Organic Synthesis Building Block: Employed in academic and industrial laboratories for constructing complex natural products, ligands, and other fine chemicals via reactions at the vinyl or ester functional groups.
• Flavor & Fragrance Intermediate: Potential use in the synthesis of novel aroma chemicals, leveraging the distinct structural features of the cyclopropane ring.

Basic Information

Product Name	Cyclopropanecarboxylic Acid, 1-Ethenyl-, Ethyl Ester (9Ci)
CAS No.	146857-44-5
Molecular Formula	C8H12O2
Molecular Weight	140.18 g/mol
Synonyms	Ethyl 1-Vinylcyclopropanecarboxylate; 1-Ethenylcyclopropanecarboxylic Acid Ethyl Ester; Vinylcyclopropanecarboxylic Acid Ethyl Ester; Ethyl Vinylcyclopropanecarboxylate; 1-Vinylcyclopropanecarboxylic Acid Ethyl Ester; Cyclopropanecarboxylic Acid, 1-Vinyl-, Ethyl Ester
EINECS	Contact for details

Quality Control

Our Cyclopropanecarboxylic Acid, 1-Ethenyl-, Ethyl Ester (9Ci) is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chromatography (GC/HPLC) and spectroscopy (NMR, IR), to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are provided and 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 place. Recommended storage temperature is 2-8°C for long-term stability. Keep away from heat, sparks, and open flames. The container should be kept tightly sealed in a dry environment to maintain product integrity.

Specification

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