Description

Cyclopropanecarboxylic Acid, 2-Acetyl-1,2-Dimethyl-, Methyl Ester (9Ci) is a specialized cyclopropane derivative, a high-value synthetic intermediate prized for its unique strained-ring structure and functional group reactivity. This compound is critical for advanced organic synthesis, enabling the construction of complex molecular architectures. It is primarily sought by R&D chemists and process development scientists in the pharmaceutical and agrochemical sectors for the development of novel active ingredients.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders or possessing complex stereochemistry.
• Agrochemical Synthesis: Used in the research and development of new-generation pesticides and herbicides, where the cyclopropane moiety can impart specific biological activity and stability.
• Advanced Material Precursor: Serves as a monomer or functionalizing agent in the development of specialty polymers and liquid crystals with tailored properties.
• Organic Synthesis Reagent: Employed in academic and industrial research for cyclopropanation reactions, ring-opening polymerizations, and as a scaffold for chiral ligand development.
• Flavor & Fragrance Chemistry: Potential intermediate for creating unique synthetic aroma molecules with complex, woody, or green notes.

Basic Information

Product Name	Cyclopropanecarboxylic Acid, 2-Acetyl-1,2-Dimethyl-, Methyl Ester (9Ci)
CAS No.	412281-37-9
Molecular Formula	C9H14O3
Molecular Weight	170.21 g/mol
Synonyms	Methyl 2-acetyl-1,2-dimethylcyclopropanecarboxylate; 2-Acetyl-1,2-dimethylcyclopropanecarboxylic acid methyl ester; 1,2-Dimethyl-2-acetylcyclopropanecarboxylic acid methyl ester; Cyclopropanecarboxylic acid, 2-acetyl-1,2-dimethyl-, methyl ester; Methyl 1,2-dimethyl-2-(oxoethyl)cyclopropanecarboxylate
EINECS	Contact for details

Quality Control

Our Cyclopropanecarboxylic Acid, 2-Acetyl-1,2-Dimethyl-, Methyl Ester (9Ci) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure high purity and batch-to-batch consistency suitable for sensitive R&D and scale-up processes. 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 away from incompatible materials such as strong bases and organic solvents. Recommended storage temperature is between 2°C and 8°C for long-term stability. Allow the container to reach ambient temperature before opening to prevent moisture condensation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 3.0%
Specific Rotation (if chiral)	Contact for details

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