Description

Cyclopropanecarboxylic Acid, 2-(1E)-1-Propenyl-, Ethyl Ester (9Ci) is a specialized organic ester compound featuring a cyclopropane ring and a propenyl side chain, serving as a valuable synthetic intermediate. This high-purity building block is essential for facilitating complex organic synthesis and enabling precise molecular construction in advanced research and development. It is primarily sought after by pharmaceutical, agrochemical, and fine chemical manufacturers for applications in drug discovery, active ingredient synthesis, and the development of novel chemical entities.

Application

• Pharmaceutical Intermediate: A key chiral building block in the synthesis of active pharmaceutical ingredients (APIs) and complex drug candidates.
• Agrochemical Synthesis: Used in the research and production of novel pesticides, herbicides, and plant growth regulators.
• Fine Chemical Production: Serves as a precursor for flavors, fragrances, and other high-value specialty chemicals.
• Material Science Research: Investigated as a monomer or additive for developing polymers with unique properties.
• Academic & Industrial R&D: A critical reagent in organic chemistry research for methodology development and total synthesis projects.
• Ligand and Catalyst Development: Utilized in the preparation of specialized ligands for asymmetric catalysis and metal-organic frameworks.

Basic Information

Product Name	Cyclopropanecarboxylic Acid, 2-(1E)-1-Propenyl-, Ethyl Ester (9Ci)
CAS No.	263772-24-3
Molecular Formula	C9H14O2
Molecular Weight	154.21 g/mol
Synonyms	Ethyl 2-[(1E)-1-propen-1-yl]cyclopropanecarboxylate; 2-(1E)-1-Propenylcyclopropanecarboxylic Acid Ethyl Ester; Ethyl (E)-2-(prop-1-en-1-yl)cyclopropane-1-carboxylate; 2-[(1E)-1-Propenyl]cyclopropanecarboxylic Acid Ethyl Ester; Cyclopropanecarboxylic acid, 2-(1-propenyl)-, ethyl ester, (E)-; Ethyl trans-2-(1-propenyl)cyclopropanecarboxylate
EINECS	Contact for details

Quality Control

Our Cyclopropanecarboxylic Acid, 2-(1E)-1-Propenyl-, Ethyl Ester (9Ci) is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. We provide comprehensive analytical documentation, including Certificates of Analysis (COA) with detailed results from HPLC, GC, NMR, and other spectroscopic methods. Our quality commitment aligns with cGMP principles where applicable, supporting its use in regulated research and development pathways.

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 heat, sparks, and open flame. For long-term storage, consider maintaining the material under an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
Isomeric Purity (E/Z ratio)	≥ 95:5 (E:Z)
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.