Description

Cyclopropanecarboxylic Acid, 2-(2-Propenyl)-, Ethyl Ester, (1R,2S)-Rel- (9Ci) is a high-purity, stereochemically defined chiral building block of significant interest in advanced organic synthesis. Its unique cyclopropane ring fused with an allyl ester functionality makes it a valuable precursor for constructing complex molecular architectures with precise three-dimensional control. This compound is primarily sought after 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 introducing the constrained cyclopropane moiety.
• Agrochemical Synthesis: Used in the creation of advanced pesticides and herbicides where the specific stereochemistry can influence biological activity.
• Ligand and Catalyst Development: Acts as a precursor for synthesizing chiral ligands and organocatalysts used in asymmetric synthesis.
• Material Science Research: Employed in the development of specialty polymers and advanced organic materials with tailored properties.
• Academic & Industrial R&D: A valuable tool for methodological studies in organic chemistry, including cyclopropanation and cross-coupling reactions.

Basic Information

Product Name	Cyclopropanecarboxylic Acid, 2-(2-Propenyl)-, Ethyl Ester, (1R,2S)-Rel- (9Ci)
CAS No.	433731-96-5
Molecular Formula	C9H14O2
Molecular Weight	154.21 g/mol
Synonyms	Ethyl (1R,2S)-rel-2-(2-Propen-1-yl)cyclopropanecarboxylate; (1R,2S)-rel-2-Allylcyclopropanecarboxylic Acid Ethyl Ester; Ethyl 2-Allylcyclopropanecarboxylate (rel-(1R,2S)-); rel-(1R,2S)-Ethyl 2-(prop-2-en-1-yl)cyclopropane-1-carboxylate; 2-Allylcyclopropanecarboxylic Acid Ethyl Ester; Ethyl trans-2-Allylcyclopropanecarboxylate
EINECS	Contact for details

Quality Control

Our Cyclopropanecarboxylic Acid, 2-(2-Propenyl)-, Ethyl Ester, (1R,2S)-Rel- (9Ci) is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot is supported by a comprehensive Certificate of Analysis (COA) detailing critical parameters such as chiral purity, chemical purity, and identity confirmation. We are committed to meeting the stringent requirements of research and development applications, with specifications available to support regulatory filings.

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). Keep away from heat, sparks, and open flame. For long-term storage, consider holding under an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 99.0% de (rel-(1R,2S))
Water Content (KF)	≤ 0.5%

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