Description

Cyclopropanecarboxylic Acid, 2,2-Dimethyl-3-Methylene-, Methyl Ester (9Ci) is a specialized organic ester featuring a reactive methylenecyclopropane structure. This compound serves as a valuable and versatile building block in advanced organic synthesis, enabling the construction of complex molecular frameworks. It is primarily sought after by research and development chemists in the pharmaceutical and agrochemical industries for the development of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key synthon for the synthesis of novel drug candidates, particularly those requiring cyclopropane or strained ring systems.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, where its unique structure can impart specific biological activity.
• Fine Chemical Production: Serves as a precursor in the manufacture of specialty chemicals, flavors, and fragrances.
• Material Science Research: Investigated as a monomer or cross-linking agent for developing polymers with specific thermal or mechanical properties.
• Academic & Industrial R&D: A crucial reagent in methodological chemistry research for cycloaddition reactions and catalytic transformations.

Basic Information

Product Name	Cyclopropanecarboxylic Acid, 2,2-Dimethyl-3-Methylene-, Methyl Ester (9Ci)
CAS No.	65051-69-6
Molecular Formula	C8H12O2
Molecular Weight	140.18 g/mol
Synonyms	2,2-Dimethyl-3-methylenecyclopropanecarboxylic acid methyl ester; Methyl 2,2-dimethyl-3-methylenecyclopropanecarboxylate; 3-Methylene-2,2-dimethylcyclopropanecarboxylic Acid Methyl Ester; Methylenecyclopropane carboxylate derivative; Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Our production of Cyclopropanecarboxylic Acid, 2,2-Dimethyl-3-Methylene-, Methyl Ester (9Ci) adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing, including chromatography (GC/HPLC) and spectroscopy (NMR, IR), to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with each shipment to guarantee compliance with your research and production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong bases and oxidizing agents. Recommended storage temperature is 2-8°C for long-term stability. Keep container tightly sealed when not in use to prevent moisture absorption and degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 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.