Description

Cyclopropanecarboxylic Acid, 2,2-Dimethyl-, Ethyl Ester, (S)- is a high-purity chiral building block essential for advanced organic synthesis. This compound matters as a key intermediate in the development of active pharmaceutical ingredients (APIs) and fine chemicals, where its defined stereochemistry and structural motif are critical for biological activity. Pharmaceutical, agrochemical, and specialty chemical R&D laboratories need this ester for constructing complex molecules, leveraging its cyclopropane ring to modulate the physicochemical properties of target compounds.

Application

• Pharmaceutical Intermediate: A crucial chiral synthon in the synthesis of novel drug candidates, particularly in central nervous system (CNS) and antiviral research.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides, where the cyclopropane moiety enhances stability and bioactivity.
• Ligand and Catalyst Development: Serves as a precursor for chiral ligands and organocatalysts used in asymmetric synthesis.
• Flavor and Fragrance Industry: Employed in the synthesis of complex aroma chemicals that require specific stereoisomers.
• Material Science Research: Acts as a monomer or modifying agent in the development of specialized polymers with unique thermal or mechanical properties.
• Academic and R&D Laboratories: A valuable reagent for methodological studies in organic chemistry and stereoselective transformations.

Basic Information

Item	Detail
Product Name	Cyclopropanecarboxylic Acid, 2,2-Dimethyl-, Ethyl Ester, (S)-
CAS No.	89007-61-4
Molecular Formula	C8H14O2
Molecular Weight	142.20 g/mol
Synonyms	(S)-Ethyl 2,2-Dimethylcyclopropanecarboxylate; (S)-2,2-Dimethylcyclopropanecarboxylic Acid Ethyl Ester; (-)-Ethyl 2,2-Dimethylcyclopropanecarboxylate; L-2,2-Dimethylcyclopropanecarboxylic Acid Ethyl Ester; (1S)-2,2-Dimethylcyclopropanecarboxylic Acid Ethyl Ester; Ethyl (S)-2,2-Dimethylcyclopropanecarboxylate; (S)-Ethyl 2,2-Dimethyl-1-cyclopropanecarboxylate
EINECS	Contact for details

Quality Control

Our Cyclopropanecarboxylic Acid, 2,2-Dimethyl-, Ethyl Ester, (S)- is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including chiral HPLC for enantiomeric excess (ee) verification, to ensure compliance with customer specifications and cGMP guidelines where applicable. Comprehensive Certificates of Analysis (COA) documenting identity, purity, chiral purity, and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong bases and incompatible materials such as strong oxidizing agents. For long-term storage under inert atmosphere, please contact our technical team for specific recommendations.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
Chiral Purity (Enantiomeric Excess)	≥ 99.0% ee
Specific Rotation [α]	Contact for details
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.