Description

Cyclopropanecarboxylic Acid, 2-Propyl-, Ethyl Ester, (1R,2S)- (9Ci) is a high-purity, stereochemically defined chiral building block of significant interest in advanced organic synthesis. Its value lies in its unique cyclopropane ring structure, which imparts desirable conformational rigidity and metabolic stability to target molecules. This compound is essential for researchers and process chemists in the pharmaceutical and agrochemical industries developing novel active ingredients.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the research and development of new active pharmaceutical ingredients (APIs), particularly in areas requiring constrained three-dimensional frameworks.
• Agrochemical Synthesis: Used in the construction of advanced pesticide and herbicide molecules, where the cyclopropane moiety can enhance biological activity and environmental stability.
• Ligand and Catalyst Development: Serves as a precursor for creating novel chiral ligands and organocatalysts used in asymmetric synthesis.
• Material Science Research: Investigated as a monomer or additive for creating polymers with specific mechanical or optical properties due to its strained ring system.
• Chemical Biology Probes: Utilized in the design and synthesis of molecular probes to study enzyme mechanisms and biological pathways.

Basic Information

Product Name	Cyclopropanecarboxylic Acid, 2-Propyl-, Ethyl Ester, (1R,2S)- (9Ci)
CAS No.	492468-18-5
Molecular Formula	C9H16O2
Molecular Weight	156.22 g/mol
Synonyms	(1R,2S)-Ethyl 2-Propylcyclopropanecarboxylate; Ethyl (1R,2S)-2-Propylcyclopropanecarboxylate; (1R,2S)-2-Propylcyclopropanecarboxylic Acid Ethyl Ester; (1R,2S)-rel-Ethyl 2-propylcyclopropanecarboxylate; (1R,2S)-Ethyl 2-propylcyclopropanecarboxylate; Ethyl (1R,2S)-2-propylcyclopropanecarboxylate; (1R,2S)-2-Propylcyclopropanecarboxylic acid ethyl ester
EINECS	Contact for details

Quality Control

Our Cyclopropanecarboxylic Acid, 2-Propyl-, Ethyl Ester, (1R,2S)- (9Ci) is produced under strict quality management systems to ensure batch-to-batch consistency and high chemical purity. We provide comprehensive Certificates of Analysis (COA) for each lot, detailing key parameters such as chiral purity, chemical assay, and impurity profiles. Our quality commitment aligns with the standards required for GMP starting materials and REACH compliance for global supply.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from strong bases and incompatible materials such as strong oxidizing agents. For long-term storage, consider under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 99.0% ee (1R,2S)
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.