Description

Cyclopropanecarboxaldehyde, 2-Butyl-2-Ethynyl-, trans- (9Ci) is a specialized, high-purity organic building block featuring a unique cyclopropane ring fused with an aldehyde and an ethynyl group. This compound matters as a critical chiral intermediate for the synthesis of complex bioactive molecules, offering a rigid, three-dimensional scaffold that is highly valuable in modern medicinal chemistry. It is primarily needed by research and development teams in the pharmaceutical and agrochemical industries for creating novel active ingredients and advanced materials.

Application

• Pharmaceutical Intermediate: Serves as a key chiral synthon in the research and development of new drug candidates, particularly for central nervous system (CNS) and anti-inflammatory targets.
• Agrochemical Synthesis: Used in the development of advanced pesticides and herbicides, where its structural complexity can contribute to novel modes of action.
• Material Science Research: Acts as a precursor for specialty polymers and liquid crystals, leveraging the strained cyclopropane ring to influence material properties.
• Asymmetric Catalysis: Employed as a substrate or ligand precursor in the development of new catalytic systems for stereoselective synthesis.
• Chemical Biology Probes: Utilized in the design and synthesis of molecular probes for studying enzyme mechanisms and biological pathways.
• Fragrance & Flavor Chemistry: Investigated for the creation of novel synthetic aroma chemicals due to its unique aldehyde functionality and structural framework.

Basic Information

Product Name	Cyclopropanecarboxaldehyde, 2-Butyl-2-Ethynyl-, trans- (9Ci)
CAS No.	72206-29-2
Molecular Formula	C₁₀H₁₄O
Molecular Weight	150.22 g/mol
Synonyms	trans-2-Butyl-2-ethynylcyclopropanecarboxaldehyde; (1R,2S)-rel-2-Butyl-2-ethynylcyclopropanecarboxaldehyde; 2-Butyl-2-ethynylcyclopropanecarbaldehyde; 72206-29-2; Cyclopropanecarboxaldehyde, 2-butyl-2-ethynyl-, trans-; trans-2-Butyl-2-ethynyl-1-cyclopropanecarboxaldehyde
EINECS	Contact for details

Quality Control

Every batch of Cyclopropanecarboxaldehyde, 2-Butyl-2-Ethynyl-, trans- (9Ci) is produced and analyzed under strict quality management protocols to ensure identity, purity, and consistency. Our products undergo rigorous quality testing to ensure compliance with industry standards. Certificates of Analysis (COA) detailing specific chromatographic purity, enantiomeric excess (where applicable), and other critical parameters are available upon request to support your regulatory and R&D documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at controlled room temperature (15-25°C) in a cool, dry, and well-ventilated area. Keep away from heat, sparks, and open flames. Due to its sensitivity, the container should be kept tightly sealed when not in use to prevent oxidation and moisture uptake.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Specific Rotation (Optical Purity)	Contact for details

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