2-Chloro-5-methyl-3-((trimethylsilyl)ethynyl)pyridine
2-Chloro-5-methyl-3-((trimethylsilyl)ethynyl)pyridine (CAS: 1203499-58-4) is a halogenated pyridine derivative with the molecular formula C11H14ClNSi and a molecular weight of 223.77 g/mol. This organosilicon compound serves as a versatile building block in chemical synthesis. It is particularly valuable in the construction of more complex heterocyclic structures, finding utility in research and development across various chemical sectors.

Advanced Chemical Synthesis
Utilised as a key intermediate in the synthesis of novel organic compounds. Its structure allows for diverse chemical transformations, enabling the creation of complex molecules for research purposes.
Heterocyclic Chemistry
Serves as a valuable building block for the construction of pyridine-based scaffolds. These scaffolds are frequently encountered in pharmaceutical and agrochemical research.
Organosilicon Chemistry
Incorporates a trimethylsilyl group, making it relevant in reactions involving organosilicon reagents and the modification of organic structures with silicon-containing functionalities.
| Molecular weight | 223.77 |
|---|---|
| Empirical formula | C11H14ClNSi |
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 2-Chloro-5-methyl-3-((trimethylsilyl)ethynyl)pyridine used for?
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This compound is primarily used as a building block in chemical synthesis, particularly in the development of complex heterocyclic structures and in organosilicon chemistry research.
What is the CAS number and formula for this compound?
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The CAS number is 1203499-58-4, and the empirical formula is C11H14ClNSi.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical for research and development. The specific grade and purity are available upon request. TSS does not represent this product as USP, BP, or EP grade.
How should 2-Chloro-5-methyl-3-((trimethylsilyl)ethynyl)pyridine be handled?
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Refer to the Safety Data Sheet (SDS) for specific handling instructions. General precautions for laboratory chemicals should be observed, including avoiding contact with skin and eyes, and ensuring adequate ventilation.
Is this chemical available for export?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, and this product can be shipped internationally according to relevant regulations.
How can I request a sample or quote?
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Please use the contact form on our website or email our sales department to request a sample or a quotation for 2-Chloro-5-methyl-3-((trimethylsilyl)ethynyl)pyridine.
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