Description

Silane, [(2-Ethoxy-1-Methoxycyclopropyl)Ethynyl]Trimethyl-, (1R-Cis)- (9Ci) is a specialized chiral organosilicon compound featuring a unique cyclopropyl-ethynyl functionalized structure. This compound matters as a high-value building block and chiral ligand precursor for advanced organic synthesis and materials science research. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials sectors for developing novel active ingredients and functional polymers.

Application

• Pharmaceutical Intermediate: Serves as a key chiral synthon in the synthesis of complex drug candidates and active pharmaceutical ingredients (APIs).
• Asymmetric Catalysis: Used as a precursor for chiral ligands or catalysts in enantioselective synthesis.
• Agrochemical Research: Employed in the development of novel, stereochemically defined pesticides and herbicides.
• Advanced Material Monomer: Acts as a functionalized monomer for creating specialty silicones or silicon-containing polymers with tailored properties.
• Surface Modification Agent: Utilized to introduce specific functional groups onto silicon or other material surfaces.
• Academic & Industrial R&D: A valuable reagent for methodological development in organic and organometallic chemistry.

Basic Information

Product Name	Silane, [(2-Ethoxy-1-Methoxycyclopropyl)Ethynyl]Trimethyl-, (1R-Cis)- (9Ci)
CAS No.	178899-53-1
Molecular Formula	C13H24O2Si
Molecular Weight	240.42 g/mol
Synonyms	(1R-cis)-[(2-Ethoxy-1-methoxycyclopropyl)ethynyl]trimethylsilane; Trimethyl[(2-ethoxy-1-methoxycyclopropyl)ethynyl]silane, (1R-cis)-; (1R,2S)-1-Ethoxy-2-methoxy-2-[(trimethylsilyl)ethynyl]cyclopropane; Chiral Cyclopropyl Acetylenic Silane; (1R,2S)-1-Ethoxy-2-methoxy-2-(2-trimethylsilylethynyl)cyclopropane
EINECS	Contact for details

Quality Control

Our production of this advanced intermediate adheres to strict quality protocols to ensure batch-to-batch consistency and high chiral purity. Each lot is characterized using advanced analytical techniques including Chiral HPLC, GC, NMR, and IR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing identity, purity, enantiomeric excess, and impurity profile is provided with every shipment to support your quality and regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
Enantiomeric Excess (Chiral HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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