Description

Cyclopropanecarboxylic Acid, 1-Cyano-2-Ethenyl-, Methyl Ester (9Ci) is a specialized cyano-functionalized cyclopropane derivative that serves as a versatile and high-value synthetic intermediate. Its unique structure, featuring a reactive nitrile group and an ethenyl moiety on the strained cyclopropane ring, makes it a critical building block for constructing complex molecular architectures. This compound is primarily sought after by research chemists and process development scientists in the pharmaceutical and agrochemical industries for applications in medicinal chemistry and advanced material synthesis.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those containing cyclopropane motifs for enhanced metabolic stability and bioavailability.
• Agrochemical Synthesis: Used in the research and development of new-generation pesticides and herbicides, where the cyclopropane ring can contribute to unique biological activity.
• Material Science Research: Serves as a monomer or functionalizing agent in the development of specialty polymers and advanced organic materials with tailored properties.
• Organic Synthesis Building Block: Employed in academic and industrial R&D for cycloaddition reactions, ring-opening polymerizations, and the construction of complex natural product analogs.
• Ligand and Catalyst Development: Utilized in the preparation of novel chiral ligands or organometallic catalysts for asymmetric synthesis.

Basic Information

Product Name	Cyclopropanecarboxylic Acid, 1-Cyano-2-Ethenyl-, Methyl Ester (9Ci)
CAS No.	88326-59-4
Molecular Formula	C8H9NO2
Molecular Weight	151.16 g/mol
Synonyms	Methyl 1-Cyano-2-vinylcyclopropanecarboxylate; 1-Cyano-2-ethenylcyclopropanecarboxylic Acid Methyl Ester; 2-Vinyl-1-cyanocyclopropanecarboxylic Acid Methyl Ester; Methyl 2-Vinyl-1-cyanocyclopropanecarboxylate; (1-Cyano-2-vinylcyclopropyl)methyl carboxylate
EINECS	Contact for details

Quality Control

Our production of Cyclopropanecarboxylic Acid, 1-Cyano-2-Ethenyl-, Methyl Ester adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity for research and development applications. All materials are characterized using advanced analytical techniques including NMR, HPLC, and GC-MS. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at controlled room temperature (15-25°C). Keep away from strong bases and incompatible organic solvents. For long-term storage, consider storing under an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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