Description

Cyclopropanecarboxylic Acid, 2-Cyano-1-Ethenyl-, Methyl Ester, cis- (9Ci) is a specialized chemical intermediate featuring a reactive cyano and vinyl group on a cyclopropane scaffold. This compound matters for its unique structural framework, which is highly valuable in advanced organic synthesis for constructing complex molecules. It is primarily needed by R&D chemists and process development teams in the pharmaceutical and agrochemical industries for applications such as the synthesis of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates, particularly those requiring a constrained cyclopropane ring system.
• Agrochemical Synthesis: Used in the research and development of new pesticides and herbicides, where the cis-substituted cyclopropane core can impart specific biological activity.
• Material Science Research: Serves as a monomer or precursor in the development of specialty polymers and advanced functional materials.
• Organic Synthesis Reagent: Employed in academic and industrial laboratories for cyclopropanation reactions and as a precursor for further functionalization via its vinyl and cyano groups.
• Ligand and Catalyst Development: Potential use in creating novel chiral ligands or organocatalysts for asymmetric synthesis.

Basic Information

Product Name	Cyclopropanecarboxylic Acid, 2-Cyano-1-Ethenyl-, Methyl Ester, cis- (9Ci)
CAS No.	51171-66-5
Molecular Formula	C8H9NO2
Molecular Weight	151.16 g/mol
Synonyms	Methyl cis-2-cyano-1-ethenylcyclopropanecarboxylate; cis-Methyl 2-cyanovinylcyclopropanecarboxylate; (1R,2S)-rel-2-Cyano-1-ethenylcyclopropanecarboxylic Acid Methyl Ester; 2-Cyano-1-vinylcyclopropanecarboxylic acid methyl ester, cis-; Cyclopropanecarboxylic acid, 2-cyano-1-ethenyl-, methyl ester, (1R,2S)-rel-; Methyl (1R,2S)-2-cyano-1-vinylcyclopropane-1-carboxylate
EINECS	Contact for details

Quality Control

Our Cyclopropanecarboxylic Acid, 2-Cyano-1-Ethenyl-, Methyl Ester, cis- (9Ci) is produced under strict quality management protocols. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistent performance for sensitive synthetic applications. Certificates of Analysis (COA) with full traceability are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). Keep away from strong bases and incompatible organic solvents. The container must be kept tightly closed to prevent moisture absorption and 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.