Potassium 2-methoxypyrimidin-5-yl-5-trifluoroborate
Potassium 2-methoxypyrimidin-5-yl-5-trifluoroborate (CAS: 1111732-99-0, Formula: C5H5BF3KN2O) is a heteroaryl trifluoroborate salt with a molecular weight of 216.01 g/mol. It functions as a versatile building block in organic synthesis, particularly in cross-coupling reactions. Supplied with an assay of 90%, this compound is a valuable reagent for researchers and chemists developing novel molecules in pharmaceutical and materials science sectors.

Suzuki-Miyaura Cross-Coupling Reactions
This trifluoroborate salt serves as an excellent coupling partner in Suzuki-Miyaura reactions, enabling the formation of carbon-carbon bonds with aryl and heteroaryl halides. Its participation facilitates the synthesis of complex organic frameworks.
Medicinal Chemistry
The pyrimidine core combined with the trifluoroborate moiety makes this compound a useful intermediate in the discovery and development of new pharmaceutical agents. It allows for the introduction of specific structural motifs into potential drug candidates.
Materials Science
Organoboron compounds, including trifluoroborates, are employed in the development of advanced materials. This compound can be utilized in the synthesis of novel organic electronic materials or functional polymers.
| Molecular weight | 216.01 |
|---|---|
| Empirical formula | C5H5BF3KN2O |
| Assay | 90% |
| Melting point | 239-254 °C |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
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 Potassium 2-methoxypyrimidin-5-yl-5-trifluoroborate used for?
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Potassium 2-methoxypyrimidin-5-yl-5-trifluoroborate is primarily used as a reagent in organic synthesis, particularly for Suzuki-Miyaura cross-coupling reactions, and in medicinal chemistry and materials science research.
What is the CAS number and formula for this product?
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The CAS number is 1111732-99-0, and the empirical formula is C5H5BF3KN2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Potassium 2-methoxypyrimidin-5-yl-5-trifluoroborate with a minimum assay of 90%. TSS does not represent this product as USP, BP, EP, or any pharmacopoeia grade.
What are the safety and handling precautions for this chemical?
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This compound is classified with GHS07 symbol and a Warning signal word. It carries hazard statements H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation). Handle with appropriate personal protective equipment, ensure good ventilation, and avoid contact with skin, eyes, and clothing. Refer to the Safety Data Sheet for full details.
How is this chemical packed, shipped, and exported?
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Tech Serve Solutions, a global supplier and exporter since 1998, offers this chemical in various pack sizes suitable for laboratory and research use. We adhere to all relevant international shipping regulations for chemical export.
How can I request a sample or quote for Potassium 2-methoxypyrimidin-5-yl-5-trifluoroborate?
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To request a sample or a quotation, please contact our sales department via the website or telephone, providing your specific requirements and shipping details.
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