Description

Cyclopropanecarboxylic Acid, 2-Formyl-1-Methyl-, Methyl Ester, trans- (9Ci) is a specialized chiral cyclopropane derivative, a high-value intermediate in advanced organic synthesis. Its unique strained-ring structure and functional groups make it a critical building block for constructing complex molecular architectures. This compound is essential for research and development chemists in the pharmaceutical and agrochemical industries, where it is used to create novel active ingredients with specific stereochemical configurations.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the synthesis of novel drug candidates, particularly in antiviral, anticancer, and central nervous system (CNS) therapeutic areas.
• Agrochemical Synthesis: Used in the development of advanced pesticides and herbicides, where the cyclopropane moiety can enhance biological activity and stability.
• Asymmetric Catalysis & Ligand Development: Serves as a precursor for chiral ligands and catalysts used in enantioselective synthesis.
• Material Science Research: Investigated as a monomer or building block for specialty polymers with unique thermal or mechanical properties.
• Academic & Industrial R&D: Employed in methodological studies and process chemistry for constructing complex, stereodefined molecules.

Basic Information

Product Name	Cyclopropanecarboxylic Acid, 2-Formyl-1-Methyl-, Methyl Ester, trans- (9Ci)
CAS No.	107804-95-5
Molecular Formula	C8H12O3
Molecular Weight	156.18 g/mol
Synonyms	trans-2-Formyl-1-methylcyclopropanecarboxylic acid methyl ester; Methyl trans-2-formyl-1-methylcyclopropanecarboxylate; (1R,2S)-rel-2-Formyl-1-methylcyclopropanecarboxylic Acid Methyl Ester; Cyclopropanecarboxylic acid, 2-formyl-1-methyl-, methyl ester, trans-; (1R,2S)-2-Formyl-1-methylcyclopropanecarboxylic acid methyl ester; Methyl (1R,2S)-2-formyl-1-methylcyclopropanecarboxylate
EINECS	Contact for details

Quality Control

Our Cyclopropanecarboxylic Acid, 2-Formyl-1-Methyl-, Methyl Ester, trans- (9Ci) is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including chiral purity analysis, to ensure it meets the exacting standards required for advanced synthetic applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment.

Storage

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

Specification

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

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