3-Quinolineboronic acid pinacol ester
3-Quinolineboronic acid pinacol ester (CAS 171364-85-5, C15H18BNO2) is a valuable organoboron compound with a molecular weight of 255.12 g/mol. It serves as a key building block in organic synthesis, particularly in Suzuki-Miyaura cross-coupling reactions for the formation of carbon-carbon bonds. This heteroaryl boronate ester is frequently employed in the synthesis of complex molecules within pharmaceutical and materials science research.
- IUPAC
- 3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)quinoline

Suzuki-Miyaura Cross-Coupling
Utilised as a coupling partner in palladium-catalysed Suzuki-Miyaura reactions to introduce the quinoline moiety into various organic frameworks. This reaction is crucial for constructing complex molecular architectures.
Organic Synthesis Intermediate
A versatile intermediate in the synthesis of novel heterocyclic compounds. Its structure allows for further functionalisation and elaboration, leading to diverse chemical entities for research.
Pharmaceutical Research
Employed in the development of potential drug candidates, where the quinoline core is a common feature in biologically active molecules. Facilitates the creation of new chemical entities for medicinal chemistry.
Materials Science
Used in the synthesis of organic materials with specific electronic or optical properties. The incorporation of the quinoline unit can influence the characteristics of conjugated systems.
| Molecular weight | 255.12 |
|---|---|
| Empirical formula | C15H18BNO2 |
| Assay | 95% |
| Melting point | 56-60 °C(lit.) |

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
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| 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-Quinolineboronic acid pinacol ester used for?
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3-Quinolineboronic acid pinacol ester is primarily used as a building block in organic synthesis, particularly for Suzuki-Miyaura cross-coupling reactions, and in the development of pharmaceutical and materials science research.
What is the CAS number and formula for 3-Quinolineboronic acid pinacol ester?
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The CAS number is 171364-85-5 and the molecular formula is C15H18BNO2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Quinolineboronic acid pinacol ester with an assay of 95%. We do not represent this product as USP, BP, or EP grade.
What are the safety and handling precautions for this chemical?
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This compound is a Warning substance that causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). It requires appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves. Avoid breathing dust.
How is 3-Quinolineboronic acid pinacol ester typically packed and shipped?
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Tech Serve Solutions expertly packs and exports fine chemicals, including 3-Quinolineboronic acid pinacol ester, ensuring safe transit and compliance with international shipping regulations for laboratory reagents and intermediates.
How can I request a sample or quote?
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To request a sample or a quote for 3-Quinolineboronic acid pinacol ester, please contact our sales team through the website or by phone.
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