Description

Cyclopropanecarboxylic Acid, 1-Hydroxy-2-Methyl-, Ethyl Ester (9Ci) is a high-purity, specialized organic ester building block with a unique cyclopropane ring structure. This compound is valued for its role as a critical chiral intermediate in the synthesis of complex pharmaceutical molecules and advanced agrochemicals. It is primarily required by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries for constructing novel active ingredients.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the synthesis of active pharmaceutical ingredients (APIs), particularly in developing new therapeutic agents.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, leveraging its unique steric and electronic properties.
• Fine Chemical Building Block: Serves as a versatile precursor in organic synthesis for creating complex molecules in research and pilot-scale production.
• Ligand and Catalyst Development: Employed in the design and synthesis of novel chiral ligands and organocatalysts for asymmetric synthesis.
• Material Science Research: Investigated as a monomer or additive for creating polymers with specific mechanical or chemical properties.
• Academic & Industrial R&D: Utilized in chemical research for method development and exploring new synthetic pathways.

Basic Information

Product Name	Cyclopropanecarboxylic Acid, 1-Hydroxy-2-Methyl-, Ethyl Ester (9Ci)
CAS No.	344248-71-1
Molecular Formula	C8H14O3
Molecular Weight	158.20 g/mol
Synonyms	Ethyl 1-Hydroxy-2-methylcyclopropanecarboxylate; 1-Hydroxy-2-methylcyclopropanecarboxylic Acid Ethyl Ester; Ethyl (1-Hydroxy-2-methylcyclopropyl)carboxylate; 2-Methyl-1-hydroxycyclopropanecarboxylic Acid Ethyl Ester; 1-Hydroxy-2-methylcyclopropylcarboxylic Acid Ethyl Ester; Ethyl 2-Methyl-1-hydroxycyclopropanecarboxylate; (1-Hydroxy-2-methylcyclopropyl)formic Acid Ethyl Ester
EINECS	Contact for details

Quality Control

Our Cyclopropanecarboxylic Acid, 1-Hydroxy-2-Methyl-, Ethyl Ester (9Ci) is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) are provided and available upon request, detailing all relevant specifications to support your quality and regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

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