3-Buten-1-ol-3-boronic acid pinacol ester
3-Buten-1-ol-3-boronic acid pinacol ester (CAS: 1239700-57-2) is an organoboron compound with the molecular formula C10H19BO3 and a molecular weight of 198.07 g/mol. This versatile building block is primarily employed in organic synthesis, particularly in cross-coupling reactions and the construction of complex molecular architectures within the pharmaceutical and materials science sectors.
- IUPAC
- 3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)but-3-en-1-ol,4-Hydroxybut-1-en-2-ylboronic acid pinacol ester
- Synonyms
- 3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)but-3-en-1-ol, 4-Hydroxybut-1-en-2-ylboronic acid pinacol ester

Organic Synthesis
This boronate ester serves as a valuable reagent in organic synthesis, enabling the formation of new carbon-carbon bonds through reactions such as Suzuki-Miyaura coupling. Its unique structure allows for the introduction of specific functional groups into target molecules.
Pharmaceutical Intermediate
It is utilised in the multi-step synthesis of active pharmaceutical ingredients (APIs). The compound's structure is amenable to further modifications, making it a useful intermediate in drug discovery and development processes.
Materials Science
This chemical can be incorporated into the development of novel materials, including polymers and functional organic materials, where its specific chemical properties can be exploited.
| Molecular weight | 198.07 |
|---|---|
| Empirical formula | C10H19BO3 |
| Density | 0.972 g/mL at 25 °C |
| Refractive index | n20/D 1.458 |
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 3-Buten-1-ol-3-boronic acid pinacol ester used for?
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3-Buten-1-ol-3-boronic acid pinacol ester is primarily used as a building block in organic synthesis, particularly for cross-coupling reactions and in the development of pharmaceutical intermediates and novel materials.
What is the CAS number and formula for 3-Buten-1-ol-3-boronic acid pinacol ester?
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The CAS number is 1239700-57-2 and the empirical formula is C10H19BO3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical primarily for research and development purposes. The specific assay and purity will be detailed on the Certificate of Analysis provided with the product. TSS does not represent this product as USP, BP, or EP grade.
How should 3-Buten-1-ol-3-boronic acid pinacol ester be handled?
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This compound is classified under WGK 3 (Germany), indicating it is hazardous for water. Handle with appropriate personal protective equipment in a well-ventilated area, avoiding release into the environment.
Is 3-Buten-1-ol-3-boronic acid pinacol ester a controlled substance?
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The provided data does not indicate that this compound is a controlled substance.
How is this product packed, shipped, and exported?
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Tech Serve Solutions offers this product in various pack sizes suitable for laboratory and industrial use. We are experienced global exporters of fine chemicals, adhering to all relevant shipping and customs regulations.
How can I request a sample or quote for 3-Buten-1-ol-3-boronic acid pinacol ester?
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To request a sample or a quote, please use the contact form on our website or call our sales department directly, referencing the product name and CAS number.
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