Description

Pyridine, 5-(Dimethylsilyl)-2-(Ethylthio)- (9Ci) is a specialized organosilicon-substituted pyridine derivative, identified by CAS No. 140687-67-8. This compound is valued for its unique molecular architecture, which combines a silyl group with a sulfur-containing substituent on the pyridine ring, making it a versatile intermediate for advanced chemical synthesis. It is primarily sought by R&D chemists and process developers in the pharmaceutical and agrochemical sectors for constructing complex molecules, particularly in the development of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, especially those requiring silicon incorporation or specific heterocyclic frameworks.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, where its unique structure can contribute to new modes of action.
• Ligand and Catalyst Development: Serves as a precursor for creating specialized ligands in organometallic chemistry and catalysis, particularly for cross-coupling reactions.
• Material Science Research: Employed in the development of organic semiconductors, liquid crystals, and other functional materials due to its conjugated pyridine system and silyl group.
• Chemical Synthesis Reagent: Acts as a protected or functionalized pyridine derivative in multi-step organic synthesis for academic and industrial research.

Basic Information

Product Name	Pyridine, 5-(Dimethylsilyl)-2-(Ethylthio)- (9Ci)
CAS No.	140687-67-8
Molecular Formula	C11H19NSSi
Molecular Weight	225.42 g/mol
Synonyms	5-(Dimethylsilyl)-2-(ethylthio)pyridine; 2-(Ethylthio)-5-(dimethylsilyl)pyridine; 2-Ethylsulfanyl-5-dimethylsilylpyridine; Pyridine, 2-(ethylthio)-5-(dimethylsilyl)-; 140687-67-8; 5-Dimethylsilyl-2-ethylthiopyridine
EINECS	Contact for details

Quality Control

Every batch of Pyridine, 5-(Dimethylsilyl)-2-(Ethylthio)- (9Ci) is produced and tested under a strict quality management system. We provide comprehensive analytical data to ensure identity, purity, and consistency for your critical R&D and scale-up processes. A detailed Certificate of Analysis (COA) including results from GC, HPLC, NMR, and other relevant spectroscopic methods is supplied with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) when appropriate to prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/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.