2-Furanylboronic acid
2-Furanylboronic acid (CAS: 13331-23-2, C4H5BO3) is an organoboron compound with a molecular weight of 111.89 g/mol. It serves as a valuable building block in organic synthesis, particularly in cross-coupling reactions. This heteroaryl boronic acid derivative is frequently employed in the development of novel organic molecules for various research and industrial applications, including medicinal chemistry and materials science.
- IUPAC
- (5-Furanyl)boronic acid,2-Furanboronic acid,2-Furylboronic acid
- Synonyms
- 2-Furanboronic acid2-Furylboronic acid(5-Furanyl)boronic acid

Organic Synthesis Intermediate
2-Furanylboronic acid is widely utilised in Suzuki-Miyaura cross-coupling reactions to form carbon-carbon bonds. It enables the introduction of a furan moiety into complex organic structures.
Medicinal Chemistry
This compound acts as a key intermediate in the synthesis of pharmacologically active compounds. Its furan ring can be found in various drug candidates and natural products.
Materials Science
It is employed in the development of advanced materials, including organic semiconductors and optoelectronic devices, where the furan ring contributes to specific electronic properties.
| Molecular weight | 111.89 |
|---|---|
| Empirical formula | C4H5BO3 |
| Assay | ≥95.0% |
| Storage temperature | 2-8°C |
| Melting point | 112 °C (dec.)(lit.) |
| 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 2-Furanylboronic acid used for?
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2-Furanylboronic acid is primarily used as a versatile building block in organic synthesis, particularly for cross-coupling reactions like the Suzuki-Miyaura coupling. It is also employed in medicinal chemistry and materials science research.
What is the CAS number and formula for 2-Furanylboronic acid?
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The CAS number for 2-Furanylboronic acid is 13331-23-2, and its empirical formula is C4H5BO3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Furanylboronic acid with an assay of ≥95.0%. We do not represent this product as meeting USP, BP, EP, or pharmacopoeia standards.
How should 2-Furanylboronic acid be handled and stored?
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Handling requires appropriate personal protective equipment, including eyeshields and gloves, and respiratory protection such as a type N95 respirator filter. Store at 2-8°C.
Is 2-Furanylboronic acid a controlled substance?
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The provided data does not indicate that 2-Furanylboronic acid is a controlled substance. Its WGK Germany classification is 3.
How can I request a sample or quote for 2-Furanylboronic acid?
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Please contact our sales team via the website or direct email to request a sample or obtain a quotation for 2-Furanylboronic acid.
How is 2-Furanylboronic acid shipped?
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2-Furanylboronic acid is carefully packaged and exported according to international shipping regulations for chemical compounds. Storage temperature is recommended at 2-8°C.
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