Description

Cyclopropanecarboxylic Acid, 2-Ethenyl-2-Methyl-, Methyl Ester, cis- (9Ci) CAS NO 96358-59-7 is a specialized cyclopropane derivative, a high-purity chemical intermediate valued for its unique strained-ring structure and functional group versatility. This compound is critical for advanced organic synthesis, enabling the construction of complex molecular architectures in pharmaceutical and agrochemical research. It is primarily sought by R&D chemists and process development scientists in the fine chemical and life sciences industries for creating novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and anti-infective agents.
• Agrochemical Synthesis: Used in the research and development of advanced pesticides and herbicides, where the cyclopropane ring contributes to biological activity.
• Material Science Research: Serves as a monomer or precursor for developing specialized polymers and liquid crystals with unique thermal or optical properties.
• Organic Synthesis Reagent: Employed in academic and industrial laboratories for cyclopropanation reactions and the study of ring-strain chemistry.
• Fragrance & Flavor Chemistry: Acts as a potential intermediate for synthesizing complex aroma chemicals with unique olfactory profiles.

Basic Information

Product Name	Cyclopropanecarboxylic Acid, 2-Ethenyl-2-Methyl-, Methyl Ester, cis- (9Ci)
CAS No.	96358-59-7
Molecular Formula	C8H12O2
Molecular Weight	140.18 g/mol
Synonyms	cis-2-Ethenyl-2-methylcyclopropanecarboxylic acid methyl ester; Methyl cis-2-ethenyl-2-methylcyclopropanecarboxylate; 2-Methyl-2-vinylcyclopropanecarboxylic acid methyl ester, cis-; cis-Methyl 2-methyl-2-vinylcyclopropanecarboxylate; (1R,2S)-rel-2-Ethenyl-2-methylcyclopropanecarboxylic Acid Methyl Ester; Cyclopropanecarboxylic acid, 2-ethenyl-2-methyl-, methyl ester, (1R,2S)-rel-; A specialized cyclopropane ester intermediate.
EINECS	Contact for details

Quality Control

Our Cyclopropanecarboxylic Acid, 2-Ethenyl-2-Methyl-, Methyl Ester, cis- (9Ci) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatography (GC/HPLC) and spectroscopy (NMR, IR), to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical specifications. Our quality commitment aligns with cGMP principles for advanced pharmaceutical intermediates, ensuring reliability for your most sensitive synthesis workflows.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flames. For long-term storage, consider maintaining under an inert atmosphere to preserve purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0% (area %)
Isomeric Purity (cis-)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Residue on Evaporation	≤ 0.1%

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