Description

Cyclopropanecarboxylic Acid, 2-(1-Methylethenyl)-, Methyl Ester (9Ci) is a specialized organic ester featuring a cyclopropane ring, a carboxylic acid methyl ester group, and an isopropenyl substituent, making it a valuable chiral building block and intermediate. This compound is significant for its structural complexity, which enables the synthesis of more elaborate molecules in fine chemical and pharmaceutical research. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and advanced material sectors for constructing novel active ingredients and functional compounds.

Application

• Pharmaceutical Intermediate: Serves as a key chiral synthon in the multi-step synthesis of potential drug candidates, particularly those requiring a rigid cyclopropane scaffold.
• Agrochemical Synthesis: Used in the research and development of novel pesticides and herbicides, where the cyclopropane moiety can enhance biological activity and stability.
• Flavor & Fragrance Chemistry: Acts as a precursor for synthesizing complex aroma chemicals and terpenoid analogs due to its isopropenyl functional group.
• Material Science Research: Employed as a monomer or cross-linking agent in the development of specialty polymers with unique thermal or mechanical properties.
• Organic Synthesis Reagent: Utilized in academic and industrial laboratories for methodological studies, including cycloaddition reactions and stereoselective transformations.
• Fine Chemical Production: Integral in the custom synthesis of high-value, low-volume chemicals for various technological applications.

Basic Information

Product Name	Cyclopropanecarboxylic Acid, 2-(1-Methylethenyl)-, Methyl Ester (9Ci)
CAS No.	67500-46-3
Molecular Formula	C8H12O2
Molecular Weight	140.18 g/mol
Synonyms	2-Isopropenylcyclopropanecarboxylic acid methyl ester; Methyl 2-isopropenylcyclopropanecarboxylate; Methyl 2-(prop-1-en-2-yl)cyclopropanecarboxylate; 2-(1-Methylethenyl)cyclopropanecarboxylic acid methyl ester; Cyclopropanecarboxylic acid, 2-(1-methylethenyl)-, methyl ester; (2-Isopropenylcyclopropyl)carboxylic acid methyl ester
EINECS	Contact for details

Quality Control

Our Cyclopropanecarboxylic Acid, 2-(1-Methylethenyl)-, Methyl Ester (9Ci) is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chromatography and spectroscopy, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided and available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from strong bases and incompatible materials such as strong oxidizing agents. For long-term storage, consider maintaining under an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	Contact for details
Specific Gravity (20°C)	Contact for details

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