Description

Cyclopropanecarboxylic Acid, 2-Methoxy-3-Methyl-, Ethyl Ester (9Ci) is a specialized organic ester building block of significant interest in advanced synthetic chemistry. Its unique cyclopropane ring structure, combined with methoxy and methyl substituents, makes it a valuable intermediate for constructing complex molecules with specific stereochemical and functional properties. This compound is primarily utilized by research chemists and process development scientists in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Serves as a key chiral synthon in the research and development of new drug candidates, particularly for creating constrained molecular architectures.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides, where the cyclopropane moiety can enhance biological activity and stability.
• Ligand and Catalyst Development: Acts as a precursor for synthesizing specialized ligands used in asymmetric catalysis and metal-organic frameworks (MOFs).
• Flavor and Fragrance Chemistry: Employed in the synthesis of complex ester-based aroma compounds, contributing unique olfactory notes.
• Material Science Research: Investigated as a monomer or cross-linking agent for developing novel polymers with tailored thermal and mechanical properties.
• Chemical Biology Probes: Utilized to create molecular probes for studying enzyme mechanisms and biological pathways.

Basic Information

Product Name	Cyclopropanecarboxylic Acid, 2-Methoxy-3-Methyl-, Ethyl Ester (9Ci)
CAS No.	679816-73-0
Molecular Formula	C8H14O3
Molecular Weight	158.20 g/mol
Synonyms	Ethyl 2-Methoxy-3-methylcyclopropanecarboxylate; 2-Methoxy-3-methylcyclopropanecarboxylic Acid Ethyl Ester; Ethyl (2-Methoxy-3-methylcyclopropyl)formate; 9CI Identifier Compound; Cyclopropanecarboxylic acid, 2-methoxy-3-methyl-, ethyl ester; Ethyl 2-methoxy-3-methyl-1-cyclopropanecarboxylate
EINECS	Contact for details

Quality Control

Our Cyclopropanecarboxylic Acid, 2-Methoxy-3-Methyl-, Ethyl Ester (9Ci) is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatography (HPLC, GC) and spectroscopic methods (NMR, IR), to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting critical specifications such as assay and impurity profiles. We support cGMP standards for pharmaceutical applications and can tailor purity grades to meet specific research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flame. The container should be kept tightly sealed when not in use to prevent moisture absorption or contamination.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥97.0% (Standard Grade)
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.