Description

Cyclopropane, 1-Butoxy-2-Ethynyl-, trans- (9Ci) is a specialized organic compound featuring a cyclopropane ring substituted with an alkoxy and an ethynyl group. This unique structure makes it a valuable advanced intermediate in synthetic organic chemistry, particularly for constructing complex molecular architectures. It is primarily sought by pharmaceutical R&D and fine chemical synthesis teams for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly those requiring rigid, three-dimensional scaffolds.
• Agrochemical Research: Used in developing new generations of pesticides and herbicides where the cyclopropane moiety can enhance biological activity.
• Material Science: Serves as a precursor for specialty polymers and advanced organic materials with tailored electronic or structural properties.
• Academic & Industrial R&D: A versatile reagent for methodological studies in organic synthesis, including cycloaddition and cross-coupling reactions.
• Ligand and Catalyst Development: The ethynyl group provides a handle for creating sophisticated ligands used in asymmetric catalysis.

Basic Information

Item	Details
Product Name	Cyclopropane, 1-Butoxy-2-Ethynyl-, trans- (9Ci)
CAS No.	155223-33-9
Molecular Formula	C9H14O
Molecular Weight	138.21 g/mol
Synonyms	trans-1-Butoxy-2-ethynylcyclopropane; 1-Butoxy-2-ethynylcyclopropane, trans-; 2-Ethynyl-1-butoxycyclopropane; (1R,2S)-1-Butoxy-2-ethynylcyclopropane (enantiomer); (1S,2R)-1-Butoxy-2-ethynylcyclopropane (enantiomer); 1-Butoxy-2-ethynyl-cyclopropane; Butoxyethynylcyclopropane
EINECS	Contact for details

Quality Control

Our high-purity specialty chemicals are produced under strict quality management protocols. Each batch of Cyclopropane, 1-Butoxy-2-Ethynyl-, trans- undergoes comprehensive analytical testing, including GC/HPLC for purity and identity confirmation, to ensure it meets exacting R&D standards. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated place, away from heat and ignition sources. Due to its highly volatile nature, containers should be kept tightly sealed and under an inert atmosphere if specified. Recommended storage temperature is 2-8°C for long-term stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 95.0%
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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