Description

2-Cyclopropene-1-Carboxylicacid,2-Ethyl-3-Methyl-,Methylester(9Ci) CAS NO 42419-02-3 is a specialized cyclopropene derivative ester, a high-value intermediate in advanced organic synthesis. This compound matters for its unique strained-ring structure, which provides a reactive handle for constructing complex molecular architectures in a controlled manner. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and material science industries for the development of novel active ingredients and functional molecules.

Application

• Pharmaceutical Intermediate: Serves as a key building block for synthesizing novel drug candidates, particularly those requiring strained carbocyclic frameworks.
• Agrochemical Synthesis: Used in the research and development of new pesticides and herbicides, where the cyclopropene moiety can impart unique biological activity.
• Material Science Research: Acts as a monomer or cross-linking agent in the development of advanced polymers with specific thermal or mechanical properties.
• Organic Synthesis Reagent: Employed in academic and industrial laboratories for cycloaddition reactions and other transformations leveraging its alkene functionality.
• Flavor & Fragrance Chemistry: Potential intermediate for creating complex ester-based aroma molecules with unique olfactory profiles.

Basic Information

Item	Details
Product Name	2-Cyclopropene-1-Carboxylicacid,2-Ethyl-3-Methyl-,Methylester(9Ci)
CAS No.	42419-02-3
Molecular Formula	C9H14O2
Molecular Weight	154.21 g/mol
Synonyms	2-Ethyl-3-methyl-2-cyclopropene-1-carboxylic acid methyl ester; Methyl 2-ethyl-3-methyl-2-cyclopropene-1-carboxylate; 2-Cyclopropenecarboxylic acid, 2-ethyl-3-methyl-, methyl ester; 2-Ethyl-3-methylcycloprop-2-ene-1-carboxylic acid methyl ester
EINECS	Contact for details

Quality Control

Our 2-Cyclopropene-1-Carboxylicacid,2-Ethyl-3-Methyl-,Methylester(9Ci) is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with key parameters including assay, impurity profile, and physical characteristics. Our quality commitment aligns with cGMP principles for advanced intermediates, ensuring reliable performance in your critical synthesis workflows.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, 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
Assay (HPLC)	≥ 95.0%
Purity (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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