Description

Ethyl 2-Bromo-2-Methylcyclopropane-1-Carboxylate is a high-value, functionalized cyclopropane derivative that serves as a versatile building block in advanced organic synthesis. Its unique structure, featuring both a bromine atom and an ester group on the strained three-membered ring, makes it a critical precursor for constructing complex molecular architectures. This compound is primarily utilized by research chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for applications such as medicinal chemistry, ligand synthesis, and the development of novel materials.

Application

• Pharmaceutical Intermediate: A key synthon for the synthesis of active pharmaceutical ingredients (APIs) and drug candidates, particularly those containing cyclopropane motifs known for metabolic stability.
• Agrochemical Synthesis: Used in the research and development of novel pesticides and herbicides, where the cyclopropane ring can enhance biological activity.
• Organometallic & Ligand Development: Serves as a precursor for generating specialized ligands in catalysis and as a substrate in cross-coupling reactions (e.g., Suzuki, Negishi).
• Material Science Research: Employed in the synthesis of monomers or additives for advanced polymers and functional materials.
• Academic & R&D Laboratories: A valuable reagent for methodological studies in organic chemistry, including ring-opening and functional group transformation reactions.

Basic Information

Product Name	Ethyl 2-Bromo-2-Methylcyclopropane-1-Carboxylate
CAS No.	89892-99-9
Molecular Formula	C7H11BrO2
Molecular Weight	207.07 g/mol
Synonyms	2-Bromo-2-methylcyclopropanecarboxylic acid ethyl ester; Ethyl 2-bromo-2-methylcyclopropanecarboxylate; 2-Methyl-2-bromocyclopropanecarboxylic Acid Ethyl Ester; 1-Carbethoxy-2-bromo-2-methylcyclopropane; (2-Bromo-2-methylcyclopropyl)carboxylic acid ethyl ester
EINECS	Contact for details

Quality Control

Our Ethyl 2-Bromo-2-Methylcyclopropane-1-Carboxylate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatography (HPLC/GC) and spectroscopic methods (NMR, IR), to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is 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, well-ventilated area at room temperature (15-25°C). Keep away from strong acids and incompatible organic solvents. For long-term storage, consider inert gas purging to maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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