4-Dibenzothienylboronic acid
4-Dibenzothienylboronic acid (CAS: 108847-20-7), with the molecular formula C12H9BO2S and a molecular weight of 228.07 g/mol, is a valuable organoboron compound. This boronic acid derivative is primarily utilised in organic synthesis, particularly in cross-coupling reactions. Its structure, featuring a dibenzothiophene core, makes it a useful building block for creating complex organic molecules in research and development settings.
- IUPAC
- 4-Dibenzothiopheneboronic acid
- Synonyms
- 4-Dibenzothiopheneboronic acid

Organic Synthesis Intermediate
This boronic acid serves as a key intermediate in various organic synthetic pathways. It is frequently employed in Suzuki-Miyaura cross-coupling reactions to introduce the dibenzothienyl moiety into target molecules.
Material Science Research
The dibenzothiophene unit is present in advanced materials. 4-Dibenzothienylboronic acid can be used in the synthesis of novel organic semiconductors, light-emitting diodes (OLEDs), and other functional materials.
Pharmaceutical and Agrochemical Development
As a versatile building block, it finds application in the research and development of new pharmaceutical drug candidates and agrochemical compounds, enabling the construction of complex heterocyclic structures.
| Molecular weight | 228.07 |
|---|---|
| Empirical formula | C12H9BO2S |
| Assay | ≥95.0% |
| Melting point | 327-330 °C(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 4-Dibenzothienylboronic acid used for?
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4-Dibenzothienylboronic acid is primarily used as an intermediate in organic synthesis, particularly for Suzuki-Miyaura cross-coupling reactions, and in the development of novel materials and potential pharmaceuticals.
What is the CAS number and formula for 4-Dibenzothienylboronic acid?
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The CAS number is 108847-20-7 and the empirical formula is C12H9BO2S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Dibenzothienylboronic acid with an assay of ≥95.0%. This product is suitable for research and chemical synthesis applications; TSS does not represent it as USP, BP, EP, or other pharmacopoeial grades.
How should 4-Dibenzothienylboronic acid be handled?
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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 if dust generation is possible. The compound is classified under WGK Germany 3, indicating a high hazard to water.
Is 4-Dibenzothienylboronic acid a controlled substance?
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The provided data does not indicate that 4-Dibenzothienylboronic acid is a controlled substance.
How is 4-Dibenzothienylboronic acid packed and shipped?
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4-Dibenzothienylboronic acid is packed and shipped according to industry best practices for chemical compounds, ensuring safe transport and handling by our global logistics network.
How can I request a quote or sample for 4-Dibenzothienylboronic acid?
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To request a quote or a sample of 4-Dibenzothienylboronic acid, please contact our sales team through the TSS website or by phone, providing your specific requirements.
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