Description

Cyclopropanecarboxylic Acid, 1-Acetyl-2-Methyl-, Methyl Ester, trans- (9Ci) is a specialized organic compound featuring a cyclopropane ring, an acetyl group, and a methyl ester functionality. This unique structure makes it a valuable chiral building block and intermediate in advanced synthetic chemistry. It is primarily sought after by research and development teams in the pharmaceutical and agrochemical sectors for the synthesis of novel active ingredients and complex molecules.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the research and development of new drug candidates, particularly in medicinal chemistry programs.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators requiring specific stereochemistry.
• Fine Chemical Manufacturing: Serves as a critical building block in the multi-step synthesis of complex flavors, fragrances, and specialty chemicals.
• Academic & Industrial Research: Employed in methodological studies and as a model compound in organic synthesis and catalysis research.
• Material Science Precursor: Potential use in the development of novel polymers or advanced materials with tailored properties.

Basic Information

Product Name	Cyclopropanecarboxylic Acid, 1-Acetyl-2-Methyl-, Methyl Ester, trans- (9Ci)
CAS No.	129433-04-1
Molecular Formula	C8H12O3
Molecular Weight	156.18 g/mol
Synonyms	trans-1-Acetyl-2-methylcyclopropanecarboxylic acid methyl ester; Methyl trans-1-acetyl-2-methylcyclopropanecarboxylate; (1R,2S)-rel-1-Acetyl-2-methylcyclopropanecarboxylic Acid Methyl Ester; (1S,2R)-rel-1-Acetyl-2-methylcyclopropanecarboxylic Acid Methyl Ester; Methyl 1-acetyl-2-methylcyclopropanecarboxylate, trans-; 1-Acetyl-2-methylcyclopropanecarboxylic acid methyl ester (trans-); Cyclopropanecarboxylic acid, 1-acetyl-2-methyl-, methyl ester, (1R,2S)-rel-
EINECS	Contact for details

Quality Control

Our Cyclopropanecarboxylic Acid, 1-Acetyl-2-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 high standards required for research and synthesis. 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, and well-ventilated area at controlled room temperature (typically 15-25°C). Keep away from strong oxidizing agents, strong bases, and sources of ignition.

Specification

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

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