Description

Cyclopropanecarboxylic Acid, 3-Ethyl-2-Methoxy-2-Propyl-, Ethyl Ester (9Ci) is a specialized organic ester compound featuring a cyclopropane core, valued for its unique steric and electronic properties derived from its constrained three-membered ring structure. This compound serves as a critical advanced intermediate in the synthesis of complex molecules, particularly within pharmaceutical and agrochemical research. It is primarily sought by R&D chemists and process development scientists working on novel active ingredients, where its distinct architecture enables the exploration of new chemical space and the modulation of biological activity.

Application

• Pharmaceutical Intermediate: A key building block in the research and development of new active pharmaceutical ingredients (APIs), especially for candidates targeting central nervous system (CNS) disorders or metabolic diseases.
• Agrochemical Synthesis: Used in the creation of novel herbicides, fungicides, or insecticides, where the cyclopropane moiety can enhance stability and bioactivity.
• Material Science Research: Employed as a monomer or modifier in the development of specialty polymers with tailored thermal or mechanical properties.
• Ligand and Catalyst Development: Serves as a precursor for chiral ligands or organocatalysts used in asymmetric synthesis.
• Flavor & Fragrance Chemistry: Potential use in the synthesis of high-value aroma chemicals with complex, woody, or green notes.
• Academic & Industrial R&D: A valuable reagent for methodological studies in organic chemistry, including ring-opening reactions and cross-coupling protocols.

Basic Information

Product Name	Cyclopropanecarboxylic Acid, 3-Ethyl-2-Methoxy-2-Propyl-, Ethyl Ester (9Ci)
CAS No.	647836-52-0
Molecular Formula	C12H22O3
Molecular Weight	214.30 g/mol
Synonyms	Ethyl 3-ethyl-2-methoxy-2-propylcyclopropanecarboxylate; 3-Ethyl-2-methoxy-2-propylcyclopropanecarboxylic acid ethyl ester; 2-Propyl-3-ethyl-2-methoxycyclopropanecarboxylic Acid Ethyl Ester; Cyclopropanecarboxylic acid, 3-ethyl-2-methoxy-2-propyl-, ethyl ester; (9CI)
EINECS	Contact for details

Quality Control

Our production of Cyclopropanecarboxylic Acid, 3-Ethyl-2-Methoxy-2-Propyl-, Ethyl Ester (9Ci) adheres to stringent internal quality standards to ensure batch-to-batch consistency and high purity for research and development applications. Each lot is characterized using advanced analytical techniques including GC, HPLC, and NMR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your regulatory and quality documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider under an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 95.0% (Area %)
Water Content (KF)	≤ 0.5%

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