Description

Cyclopropanecarboxylic Acid, 2-Acetyl-, Methyl Ester (9Ci) is a specialized organic ester building block featuring a cyclopropane ring, a key structural motif in medicinal chemistry. This compound matters as a versatile intermediate for synthesizing complex molecules with potential biological activity. It is primarily needed by research and development chemists in the pharmaceutical and agrochemical industries for creating novel active ingredients. The product is supplied under strict quality control to ensure batch-to-batch consistency for critical synthetic applications.

Application

• Pharmaceutical Intermediate: Serves as a key chiral synthon in the research and development of new drug candidates, particularly those targeting central nervous system (CNS) disorders.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides, where the cyclopropane moiety can enhance biological efficacy and environmental profile.
• Organic Synthesis Building Block: Employed in academic and industrial R&D for constructing complex natural product analogs and novel chemical entities.
• Ligand and Catalyst Development: Acts as a precursor for creating specialized ligands used in asymmetric catalysis and metal-organic frameworks (MOFs).
• Flavor and Fragrance Chemistry: Potential use in the synthesis of high-value aroma chemicals, leveraging the unique strained-ring structure.
• Material Science Research: Investigated as a monomer or cross-linking agent for developing polymers with specific thermal or mechanical properties.

Basic Information

Product Name	Cyclopropanecarboxylic Acid, 2-Acetyl-, Methyl Ester (9Ci)
CAS No.	143955-12-8
Molecular Formula	C7H10O3
Molecular Weight	142.15 g/mol
Synonyms	Methyl 2-Acetylcyclopropanecarboxylate; 2-Acetylcyclopropanecarboxylic Acid Methyl Ester; Methyl (2-Acetylcyclopropyl)carboxylate; 1-Cyclopropanecarboxylic acid, 2-acetyl-, methyl ester; (2-Acetylcyclopropyl)carboxylic acid methyl ester; Methyl 1-acetyl-2-cyclopropanecarboxylate
EINECS	Contact for details

Quality Control

Our Cyclopropanecarboxylic Acid, 2-Acetyl-, Methyl Ester (9Ci) is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including chromatography (HPLC/GC) and spectroscopy (NMR, IR), to ensure identity, purity, and conformity to specifications. Certificates of Analysis (COA) documenting all critical quality attributes are available upon request, providing full traceability and supporting your regulatory and R&D documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from heat, sparks, and open flames. 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%
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.