3-Methoxy-4-pyridineboronic acid pinacol ester
3-Methoxy-4-pyridineboronic acid pinacol ester (CAS: 1243312-43-7, Formula: C12H18BNO3, MW: 235.09) is a heteroaryl boronate ester. It is a valuable building block in organic synthesis, primarily utilised in Suzuki-Miyaura cross-coupling reactions. This compound facilitates the formation of carbon-carbon bonds, enabling the construction of complex molecular architectures for research and development in pharmaceuticals and advanced materials.

Suzuki-Miyaura Cross-Coupling
This boronate ester serves as a key coupling partner in Suzuki-Miyaura reactions, enabling the efficient synthesis of biaryl compounds and other complex organic molecules. It is widely employed in medicinal chemistry and materials science research.
Organic Synthesis Intermediate
As a versatile intermediate, 3-Methoxy-4-pyridineboronic acid pinacol ester is integral to constructing diverse molecular scaffolds. Its reactivity profile makes it suitable for various synthetic transformations in academic and industrial research settings.
Pharmaceutical Research
This compound finds application in the discovery and development of novel pharmaceutical agents. Its structure allows for the introduction of the methoxypyridine moiety into potential drug candidates, aiding in the exploration of new therapeutic avenues.
| Molecular weight | 235.09 |
|---|---|
| Empirical formula | C12H18BNO3 |
| Assay | 97% |
| Storage temperature | −20°C |
| Melting point | 146 °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) | 26-36 |
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 3-Methoxy-4-pyridineboronic acid pinacol ester used for?
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3-Methoxy-4-pyridineboronic acid pinacol ester is primarily used as a building block in organic synthesis, particularly in Suzuki-Miyaura cross-coupling reactions, for the creation of complex organic molecules, and in pharmaceutical research.
What is the CAS number and formula for 3-Methoxy-4-pyridineboronic acid pinacol ester?
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The CAS number is 1243312-43-7, and the empirical formula is C12H18BNO3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Methoxy-4-pyridineboronic acid pinacol ester with an assay of 97%. This product is intended for laboratory and research use and is not supplied as USP, BP, EP, or pharmacopoeia grade.
How should 3-Methoxy-4-pyridineboronic acid pinacol ester be handled?
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This compound is classified as an irritant. Handle with appropriate personal protective equipment, including gloves, eye protection, and lab coats. Ensure adequate ventilation to avoid inhalation of dust or vapours. Avoid contact with skin, eyes, and clothing. Refer to the Safety Data Sheet (SDS) for detailed handling information.
How is 3-Methoxy-4-pyridineboronic acid pinacol ester packed, shipped, and exported?
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Tech Serve Solutions carefully packs and handles chemicals in compliance with international shipping regulations. We export globally to qualified research institutions and businesses. Specific packaging details are available upon request.
How can I request a sample or quote for 3-Methoxy-4-pyridineboronic acid pinacol ester?
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To request a sample or obtain a quotation, please contact our sales department via the website or by phone. Please specify the quantity required and your delivery location.
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