Description

Cyclopropanecarboxylic Acid, 2-Ethoxy-3-Methyl-, 1,1-Dimethylethyl Ester, (1Alpha,2Ba,3Ba)- (9Ci) is a high-purity, stereochemically defined cyclopropane derivative, a crucial building block in advanced organic synthesis. Its value lies in its unique, strained three-membered ring structure and protected functional groups, enabling the construction of complex molecules with precise stereochemistry. This compound is essential for research and development chemists in the pharmaceutical and agrochemical industries, particularly for synthesizing novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the synthesis of novel drug candidates, especially in central nervous system (CNS) and antiviral research.
• Agrochemical Synthesis: Used in the development of advanced pesticides and herbicides, where the cyclopropane moiety can confer specific biological activity.
• Fine Chemical Production: Serves as a versatile precursor for creating complex, high-value specialty chemicals and flavors & fragrances.
• Academic & Industrial R&D: A valuable reagent for methodological studies in organic chemistry, including cyclopropanation and asymmetric synthesis.
• Material Science Research: Investigated as a monomer or precursor for polymers with unique thermal or mechanical properties derived from the strained ring system.

Basic Information

Product Name	Cyclopropanecarboxylic Acid, 2-Ethoxy-3-Methyl-, 1,1-Dimethylethyl Ester, (1Alpha,2Ba,3Ba)- (9Ci)
CAS No.	145059-79-6
Molecular Formula	C12H22O3
Molecular Weight	214.30 g/mol
Synonyms	(1α,2β,3β)-2-Ethoxy-3-methylcyclopropanecarboxylic acid tert-butyl ester; tert-Butyl (1α,2β,3β)-2-ethoxy-3-methylcyclopropanecarboxylate; (1R,2S,3S)-2-Ethoxy-3-methylcyclopropanecarboxylic acid 1,1-dimethylethyl ester; 145059-79-6; Cyclopropanecarboxylic acid, 2-ethoxy-3-methyl-, 1,1-dimethylethyl ester, (1α,2β,3β)-; tert-Butyl (1R,2S,3S)-2-ethoxy-3-methylcyclopropanecarboxylate
EINECS	Contact for details

Quality Control

Our Cyclopropanecarboxylic Acid, 2-Ethoxy-3-Methyl-, 1,1-Dimethylethyl Ester, (1Alpha,2Ba,3Ba)- (9Ci) is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. We provide comprehensive analytical data, including chiral purity and impurity profiles, to support your critical R&D and scale-up processes. Certificates of Analysis (COA) detailing identity, assay, and purity are available for every batch upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from strong acids and incompatible materials such as strong oxidizing agents. For long-term storage, consider inert gas purging to maintain stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 98.0% de
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.