Description

3-Cyclopropyl-2-Methyl-3-Oxo-Propionic Acid Ethyl Ester is a high-purity organic ester building block of significant interest in advanced chemical synthesis. Its unique cyclopropyl and keto-ester functionalities make it a versatile intermediate for constructing complex molecular architectures. This compound is primarily sought by research and development chemists in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of new drug candidates, particularly those requiring cyclopropane ring systems.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides where its structural motifs contribute to biological activity.
• Chemical Research: Serves as a versatile building block in organic chemistry for cyclopropanation reactions and the synthesis of complex esters and ketones.
• Fine Chemical Production: Employed in the manufacture of specialty chemicals, flavors, and fragrances requiring high-purity intermediates.

Basic Information

Product Name	3-Cyclopropyl-2-Methyl-3-Oxo-Propionic Acid Ethyl Ester
CAS No.	21741-37-7
Molecular Formula	C9H14O3
Molecular Weight	170.21 g/mol
Synonyms	Ethyl 3-Cyclopropyl-2-methyl-3-oxopropanoate; Ethyl 2-Methyl-3-oxo-3-cyclopropylpropanoate; 3-Oxo-3-cyclopropyl-2-methylpropionic Acid Ethyl Ester; 3-Cyclopropyl-2-methyl-3-oxopropanoic Acid Ethyl Ester; 21741-37-7; Propanoic acid, 3-cyclopropyl-2-methyl-3-oxo-, ethyl ester
EINECS	Contact for details

Quality Control

Our 3-Cyclopropyl-2-Methyl-3-Oxo-Propionic Acid Ethyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure high purity and consistent performance as a chemical intermediate. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong acids and incompatible materials such as strong oxidizing agents. The container must be kept tightly closed to prevent moisture absorption.

Specification

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

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