3-Formyl-5-methylphenylboronic acid
3-Formyl-5-methylphenylboronic acid (CAS: 870777-33-6, C8H9BO3) is a valuable organic building block featuring both an aldehyde and a boronic acid functional group. This unique combination makes it a versatile intermediate in organic synthesis, particularly for the construction of complex molecular architectures. Its primary applications lie in pharmaceutical research and development, as well as in the synthesis of advanced materials and fine chemicals. TSS supplies this compound for research and chemical synthesis purposes.

Pharmaceutical Intermediate
Used in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs). The boronic acid moiety allows for Suzuki-Miyaura cross-coupling reactions, while the aldehyde can undergo various condensation and addition reactions.
Organic Synthesis Building Block
Serves as a key component in constructing carbon-carbon bonds and introducing specific functional groups into organic molecules. It is valuable for creating complex heterocyclic compounds and substituted aromatic systems.
Materials Science
May be employed in the development of functional materials, such as organic light-emitting diodes (OLEDs) or polymers, where precise molecular structures are required for specific electronic or optical properties.
| Molecular weight | 163.97 |
|---|---|
| Empirical formula | C8H9BO3 |
| 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-5-methylphenylboronic acid used for?
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3-Formyl-5-methylphenylboronic acid is primarily used as a building block in organic synthesis, particularly in pharmaceutical research and the development of new materials. It is valuable for constructing complex molecules via reactions involving its aldehyde and boronic acid functionalities.
What is the CAS number and molecular formula for 3-Formyl-5-methylphenylboronic acid?
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The CAS number is 870777-33-6 and the molecular formula is C8H9BO3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical for research and laboratory use. The specific grade and purity are available upon request and may vary. TSS does not represent this product as USP, BP, EP, or for food/nutraceutical applications.
What are the safety and handling precautions for 3-Formyl-5-methylphenylboronic acid?
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Handling requires appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter should be used. This compound is classified under WGK 3 in Germany, indicating a high hazard to water.
How is 3-Formyl-5-methylphenylboronic acid shipped or exported?
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Tech Serve Solutions is an experienced global supplier and exporter of fine chemicals and reagents, adhering to all necessary regulations for safe and compliant international shipping.
How can I request a sample or quote for 3-Formyl-5-methylphenylboronic acid?
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Please contact our sales team through the website or by phone to request a sample or a detailed quotation for 3-Formyl-5-methylphenylboronic acid.
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