3-Formyl-2-methoxy-5-methylphenylboronic acid
3-Formyl-2-methoxy-5-methylphenylboronic acid (CAS: 480424-55-3) is an organoboron compound with the molecular formula C9H11BO4 and a molecular weight of 193.99 g/mol. This aryl boronic acid derivative is a versatile building block employed in organic synthesis. It contains both a formyl (aldehyde) group and a boronic acid moiety, enabling diverse chemical transformations. Primarily utilised in research and development, it serves as a key intermediate in the construction of complex organic molecules.

Organic Synthesis
As a bifunctional molecule, 3-Formyl-2-methoxy-5-methylphenylboronic acid is valuable in Suzuki-Miyaura cross-coupling reactions. The aldehyde group can also participate in various condensation and addition reactions.
Pharmaceutical Intermediates
This compound serves as a building block in the synthesis of potential pharmaceutical agents. Its structure allows for the introduction of specific pharmacophores into drug candidates.
Materials Science
It can be incorporated into polymers or organic electronic materials, leveraging the unique properties conferred by the aryl boronic acid and aldehyde functionalities.
Research and Development
Used in academic and industrial laboratories for exploring novel synthetic routes and developing new chemical entities.
| Molecular weight | 193.99 |
|---|---|
| Linear formula | C6H2CHO(CH3)(OCH3)B(OH)2 |
| Melting point | 117-122 °C |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
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-Formyl-2-methoxy-5-methylphenylboronic acid used for?
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3-Formyl-2-methoxy-5-methylphenylboronic acid is primarily used as a building block in organic synthesis, including the preparation of pharmaceutical intermediates and materials science applications.
What is the CAS number and chemical formula for this product?
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The CAS number is 480424-55-3, and the linear formula is C9H11BO4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical for research and development purposes. We do not represent it as USP, BP, EP, or any other pharmacopoeia grade unless explicitly stated. Please refer to the product specifications for available purity.
How should 3-Formyl-2-methoxy-5-methylphenylboronic acid be handled?
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Handle with appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. The substance is classified under WGK Germany 3, indicating a potential hazard to water.
Is this product available for export?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, pharmaceutical intermediates, and laboratory reagents.
How can I request a quote or sample?
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Please contact our sales team via the website or direct telephone to request a quote or a sample of 3-Formyl-2-methoxy-5-methylphenylboronic acid.
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