Description

Cyclopropanecarboxylic Acid, 1-Amino-2-Ethyl-, Methyl Ester, (1S-Cis)- (9Ci) is a high-purity, stereochemically defined chiral building block of significant interest in advanced organic synthesis. Its unique cyclopropane ring fused with an amino 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 and development teams in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients, where its specific stereochemistry is critical for biological activity.

Application

• Pharmaceutical Intermediate: A key chiral synthon in the research and development of new drug candidates, particularly for central nervous system (CNS) and antiviral therapies.
• Agrochemical Synthesis: Used in the creation of novel, stereoselective pesticides and herbicides where the specific cis-configuration influences efficacy.
• Asymmetric Catalysis Research: Serves as a substrate or ligand precursor in the development of new catalytic systems for stereoselective transformations.
• Chemical Biology Probes: Utilized to synthesize molecular probes for studying enzyme mechanisms and protein-ligand interactions due to its constrained geometry.
• Advanced Material Precursor: Potential building block for specialty polymers and functional materials requiring rigid, chiral components.

Basic Information

Product Name	Cyclopropanecarboxylic Acid, 1-Amino-2-Ethyl-, Methyl Ester, (1S-Cis)- (9Ci)
CAS No.	138457-95-1
Molecular Formula	C7H13NO2
Molecular Weight	143.18 g/mol
Synonyms	(1S,2S)-1-Amino-2-ethylcyclopropanecarboxylic acid methyl ester; Methyl (1S,2S)-1-amino-2-ethylcyclopropanecarboxylate; (1S-cis)-1-Amino-2-ethylcyclopropanecarboxylic Acid Methyl Ester; cis-1-Amino-2-ethylcyclopropanecarboxylic acid methyl ester; (1S,2S)-1-Amino-2-ethylcyclopropanecarboxylate; 138457-95-1; Amino ethyl cyclopropane carboxylate methyl ester
EINECS	Contact for details

Quality Control

Our production of Cyclopropanecarboxylic Acid, 1-Amino-2-Ethyl-, Methyl Ester, (1S-Cis)- (9Ci) adheres to stringent quality protocols to ensure batch-to-batch consistency and high chiral purity, which is paramount for its application in sensitive syntheses. All materials are characterized by advanced analytical techniques including HPLC, GC, and NMR to confirm identity, purity, and enantiomeric excess. Certificates of Analysis (COA) detailing all specifications are provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). This material may be hygroscopic; keep the container tightly sealed under an inert atmosphere to maintain stability and prevent degradation.

Specification

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

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