Potassium benzothiophene-3-trifluoroborate
Potassium benzothiophene-3-trifluoroborate (CAS: 1000160-73-5; Formula: C8H5BF3KS; MW: 240.09 g/mol) is a stable organometallic reagent. It is primarily employed as a building block in organic synthesis, particularly in cross-coupling reactions. Its trifluoroborate structure offers unique reactivity and stability for constructing complex molecules in pharmaceutical and materials science research.
- IUPAC
- Potassium 3-benzothiophenetrifluoroborate

Organic Synthesis
Utilised as a versatile building block in C-C bond formation via cross-coupling reactions, such as Suzuki-Miyaura couplings. It enables the introduction of the benzothiophene moiety into various organic frameworks.
Medicinal Chemistry
Serves as an intermediate in the synthesis of novel drug candidates and biologically active compounds. The benzothiophene core is present in numerous pharmaceuticals.
Materials Science
Can be incorporated into the design and synthesis of advanced materials, including organic semiconductors and functional polymers, due to the electronic properties of the benzothiophene heterocycle.
| Molecular weight | 240.09 |
|---|---|
| Empirical formula | C8H5BF3KS |
| Assay | 95% |
| Melting point | 178.5-186.8 °C |
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 benzothiophene-3-trifluoroborate used for?
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Potassium benzothiophene-3-trifluoroborate is primarily used as a reagent in organic synthesis, particularly for cross-coupling reactions, and as a building block in medicinal chemistry and materials science research.
What is the CAS number and molecular formula?
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The CAS number is 1000160-73-5 and the molecular formula is C8H5BF3KS.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Potassium benzothiophene-3-trifluoroborate with an assay of 95%. This product is supplied for laboratory and research purposes only and is not intended for human or animal use.
How should Potassium benzothiophene-3-trifluoroborate be handled?
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According to GHS classification, this compound may cause skin irritation, serious eye irritation, and respiratory irritation. Handle with appropriate personal protective equipment in a well-ventilated area.
Is this product suitable for international export?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals and can ship this product internationally.
How can I request a quote or sample?
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To request a quote or a sample, please use the contact form on our website or contact our sales department directly with your requirements.
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