Description

Cyclopropanecarboxylic Acid, 2-Oxiranyl-, Methyl Ester, [1R-[1Alpha,2Alpha(S*)]]- (9Ci) is a high-purity, stereochemically defined chiral building block of significant interest in advanced organic synthesis. Its core value lies in the presence of both a strained cyclopropane ring and a reactive oxirane (epoxide) moiety, enabling the construction of complex molecular architectures with precise stereocontrol. This compound is essential for research and development chemists in the pharmaceutical and agrochemical industries, where it serves as a key intermediate for synthesizing novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A critical chiral synthon for the synthesis of potential drug candidates, particularly in developing central nervous system (CNS) agents and antiviral compounds.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, where its unique structure can contribute to novel modes of action.
• Asymmetric Catalysis Research: Serves as a valuable substrate or ligand precursor in the development of new catalytic systems for stereoselective transformations.
• Fine Chemical Production: Employed in the multi-step synthesis of complex, high-value specialty chemicals and flavors & fragrances.
• Material Science Precursor: Investigated as a monomer or cross-linking agent for creating polymers with tailored thermal and mechanical properties.

Basic Information

Product Name	Cyclopropanecarboxylic Acid, 2-Oxiranyl-, Methyl Ester, [1R-[1Alpha,2Alpha(S*)]]- (9Ci)
CAS No.	157523-17-6
Molecular Formula	C8H12O3
Molecular Weight	156.18 g/mol
Synonyms	(1R,2S)-Methyl 2-(oxiran-2-yl)cyclopropane-1-carboxylate; (1R,2S)-Methyl 2-(oxiranyl)cyclopropanecarboxylate; (1R,2S)-Methyl 2-(epoxyethyl)cyclopropanecarboxylate; (1R,2S)-Glycidyl cyclopropanecarboxylate methyl ester; (1R,2S)-Methyl 2-(2-oxiranyl)cyclopropanecarboxylate; Chiral Epoxycyclopropane Ester; (1R,2S)-Methyl 2-(oxiran-2-yl)cyclopropanecarboxylate
EINECS	Contact for details

Quality Control

Our production of Cyclopropanecarboxylic Acid, 2-Oxiranyl-, Methyl Ester, [1R-[1Alpha,2Alpha(S*)]]- (9Ci) adheres to stringent quality management protocols to ensure batch-to-batch consistency and high chiral purity. Each lot is characterized using advanced analytical techniques, including chiral HPLC, GC, NMR, and IR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing identity, purity, enantiomeric excess, and impurity profiles is provided with every shipment to support your quality assurance and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). The compound may be sensitive to moisture and strong acids/bases; keep the container tightly sealed when not in use.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
Enantiomeric Excess (Chiral HPLC)	≥ 98.0% ee
Water Content (KF)	≤ 0.5%

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