3-Bromophenylboronic acid MIDA ester
3-Bromophenylboronic acid MIDA ester (CAS 943552-25-8) is a versatile organoboron compound with the empirical formula C11H11BBrNO4 and a molecular weight of 311.92 g/mol. This MIDA boronate derivative is recognised for its utility in organic synthesis, particularly in cross-coupling reactions. Its stable nature and controlled reactivity make it a valuable reagent for chemists developing complex molecular architectures in research and industrial settings.
- IUPAC
- 2-(3-Bromophenyl)-6-methyl-1,3,6,2-dioxazaborocane-4,8-dione

Suzuki-Miyaura Cross-Coupling
Utilised as a coupling partner in Suzuki-Miyaura reactions, facilitating the formation of carbon-carbon bonds. This is especially relevant when employing MIDA boronate derivatives for their enhanced stability and handling properties compared to traditional boronic acids.
Synthesis of Biologically Active Molecules
Serves as a key intermediate in the synthesis of pharmaceutical intermediates and advanced materials. The 3-bromophenyl moiety allows for further functionalization via various cross-coupling methodologies.
Organic Synthesis Reagent
A valuable building block for constructing complex organic structures. Its defined reactivity profile allows for predictable incorporation into synthetic routes for fine chemicals and novel compounds.
| Molecular weight | 311.92 |
|---|---|
| Empirical formula | C11H11BBrNO4 |
| Assay | 96% |
| Application | Suzuki Cross-Coupling with MIDA Boronates |
| Melting point | 237-242 °C |

Hazard statements
- H302Harmful if swallowed
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22 |
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-Bromophenylboronic acid MIDA ester used for?
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3-Bromophenylboronic acid MIDA ester is primarily used as a coupling partner in Suzuki-Miyaura cross-coupling reactions for the synthesis of complex organic molecules, pharmaceutical intermediates, and advanced materials.
What is the CAS number and chemical formula for 3-Bromophenylboronic acid MIDA ester?
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The CAS number is 943552-25-8, and the empirical formula is C11H11BBrNO4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Bromophenylboronic acid MIDA ester with a minimum assay of 96%. This product is intended for research and technical use and is not represented as USP, BP, EP, or pharmaceutical grade.
What are the safety and handling precautions for this chemical?
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This compound is classified as harmful if swallowed (H302). When handling, it is recommended to use a dust mask type N95 (US), wear eyeshields, and use gloves. Ensure adequate ventilation and avoid ingestion.
Is 3-Bromophenylboronic acid MIDA ester shipped internationally?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals and laboratory reagents, including 3-Bromophenylboronic acid MIDA ester.
How can I request a quote or sample?
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Please contact our sales team via the website or direct inquiry to request a quote or a sample of 3-Bromophenylboronic acid MIDA ester. Our team will be pleased to assist you.
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