Description

Cyclopropanecarboxylic Acid, 2-Cyano-2-Ethenyl-, Methyl Ester, trans- (9Ci) is a specialized, high-purity chemical intermediate featuring a cyclopropane ring and cyano-vinyl functional groups. This compound matters for its role as a critical building block in advanced organic synthesis, enabling the construction of complex molecular architectures. It is primarily needed by research institutions and industrial R&D departments in the pharmaceutical and agrochemical sectors for developing novel active ingredients.

Application

• Pharmaceutical Intermediate: A key synthon for the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders.
• Agrochemical Research: Used in the development of new-generation pesticides and herbicides with unique modes of action.
• Material Science: Serves as a monomer or precursor for specialty polymers and advanced functional materials.
• Organic Synthesis Building Block: Employed in cycloaddition reactions and other complex transformations to create stereochemically defined compounds.
• Chemical Biology Probe Development: Utilized in the creation of molecular probes for studying enzyme mechanisms and biological pathways.

Basic Information

Product Name	Cyclopropanecarboxylic Acid, 2-Cyano-2-Ethenyl-, Methyl Ester, trans- (9Ci)
CAS No.	51213-13-9
Molecular Formula	C8H9NO2
Molecular Weight	151.16 g/mol
Synonyms	trans-2-Cyano-2-ethenylcyclopropanecarboxylic acid methyl ester; Methyl trans-2-cyano-2-vinylcyclopropanecarboxylate; (1R,2S)-rel-2-Cyano-2-ethenylcyclopropanecarboxylic Acid Methyl Ester; 2-Cyano-2-vinylcyclopropanecarboxylic acid methyl ester, trans-; Cyclopropanecarboxylic acid, 2-cyano-2-ethenyl-, methyl ester, (1R,2S)-rel-; Methyl (1R,2S)-2-cyano-2-vinylcyclopropanecarboxylate
EINECS	Contact for details

Quality Control

Our Cyclopropanecarboxylic Acid, 2-Cyano-2-Ethenyl-, Methyl Ester, trans- (9Ci) is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high chemical purity and isomeric integrity. Certificates of Analysis (COA) with detailed specifications are provided to guarantee traceability and compliance with your research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Keep away from heat sources and incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Isomeric Purity (GC/HPLC)	≥ 98.0% trans-isomer
Water Content (KF)	≤ 0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.