Description

2-Chloroethynyl-3,3-Dimethylcyclopropanecarboxylic Acid Methyl Ester is a specialized cyclopropane derivative that serves as a critical synthetic intermediate in advanced organic chemistry. Its unique structure, featuring a reactive chloroethynyl group, makes it a valuable building block for constructing complex molecular architectures. This compound is primarily sought by R&D chemists and process development scientists in the agrochemical and pharmaceutical industries for the synthesis of novel active ingredients.

Application

• Agrochemical Intermediate: A key precursor in the synthesis of next-generation pyrethroid and other insecticide analogs.
• Pharmaceutical Research: Used as a versatile synthon for constructing pharmacologically active cyclopropane-containing scaffolds in drug discovery.
• Chemical Synthesis: Serves as a building block for advanced materials and fine chemicals requiring the cyclopropane ring system.
• Academic & Industrial R&D: Employed in methodological studies and the development of new synthetic routes involving halogenated alkynes.

Basic Information

Product Name	2-Chloroethynyl-3,3-Dimethylcyclopropanecarboxylic Acid Methyl Ester
CAS No.	63406-20-2
Molecular Formula	C9H11ClO2
Molecular Weight	186.64 g/mol
Synonyms	Methyl 2-Chloroethynyl-3,3-dimethylcyclopropanecarboxylate; 2-(Chloroethynyl)-3,3-dimethylcyclopropanecarboxylic Acid Methyl Ester; 3,3-Dimethyl-2-(2-chloroethynyl)cyclopropanecarboxylic Acid Methyl Ester; 2-Chloroethynyl-3,3-dimethylcyclopropanecarboxylate; (RS)-2-Chloroethynyl-3,3-dimethylcyclopropanecarboxylic Acid Methyl Ester; Cyclopropanecarboxylic acid, 2-(2-chloroethynyl)-3,3-dimethyl-, methyl ester
EINECS	Contact for details

Quality Control

Our 2-Chloroethynyl-3,3-Dimethylcyclopropanecarboxylic Acid Methyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to guarantee compliance with your research and development requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area away from incompatible materials such as strong acids and bases. Recommended storage temperature is between 2°C and 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 (by GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Related Substances (by GC/HPLC)	≤ 3.0% total

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