3-(4′-Methoxybenzyloxy)phenylboronic acid
3-(4′-Methoxybenzyloxy)phenylboronic acid (CAS: 1072951-89-3) is a boronic acid derivative with the molecular formula C14H15BO4 and a molecular weight of 258.08 g/mol. This compound serves as a valuable building block in organic synthesis, particularly in cross-coupling reactions. Its structure incorporates a methoxybenzyloxy protecting group, making it useful in multi-step syntheses where selective functionalisation is required. It is commonly employed in the development of complex molecules for research and development purposes.

Organic Synthesis Intermediate
This compound is frequently utilised as an intermediate in the synthesis of complex organic molecules. Its boronic acid moiety is amenable to various cross-coupling reactions, such as Suzuki-Miyaura coupling, enabling the formation of carbon-carbon bonds.
Pharmaceutical Research
As a building block, 3-(4′-Methoxybenzyloxy)phenylboronic acid can be incorporated into the synthesis pathways of potential pharmaceutical candidates. The presence of the methoxybenzyloxy group allows for controlled deprotection strategies in drug discovery.
Materials Science
Boronic acids, including this derivative, can find applications in the development of novel materials. They can be used to create polymers or functionalised surfaces with specific electronic or optical properties.
| Molecular weight | 258.08 |
|---|---|
| Empirical formula | C14H15BO4 |
| Assay | ≥95% |
| Melting point | 159-163 °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
| 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 |
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-(4′-Methoxybenzyloxy)phenylboronic acid used for?
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3-(4′-Methoxybenzyloxy)phenylboronic acid is primarily used as an intermediate in organic synthesis, particularly in cross-coupling reactions for creating carbon-carbon bonds, and in the research and development of pharmaceuticals and materials.
What is the CAS number and formula for 3-(4′-Methoxybenzyloxy)phenylboronic acid?
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The CAS number is 1072951-89-3 and the empirical formula is C14H15BO4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-(4′-Methoxybenzyloxy)phenylboronic acid with an assay of ≥95%. We do not represent this product as USP, BP, or EP grade.
How should 3-(4′-Methoxybenzyloxy)phenylboronic acid be handled?
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This compound is classified as a Warning. It may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Handle with appropriate personal protective equipment, including a dust mask (type N95 or equivalent), eyeshields, and gloves. Ensure adequate ventilation and avoid breathing dust.
Is this chemical exported by Tech Serve Solutions?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 3-(4′-Methoxybenzyloxy)phenylboronic acid.
How can I request a sample or quote?
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To request a sample or quote for 3-(4′-Methoxybenzyloxy)phenylboronic acid, please contact our sales team through the website or by telephone.
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