1-(Phenylsulfonyl)-3-indolylboronic acid
1-(Phenylsulfonyl)-3-indolylboronic acid (CAS: 129271-98-3) is an organoboron compound with the molecular formula C6H5SO2NC8H5B(OH)2 and a molecular weight of 301.13 g/mol. It functions as a valuable building block in organic synthesis, particularly in cross-coupling reactions. This compound is a key intermediate for introducing the indolylboronic acid moiety into more complex molecular structures, facilitating the development of novel chemical entities.
- IUPAC
- 1-(Phenylsulfonyl)-3-indoleboronic acid

Organic Synthesis Intermediate
Utilised as a versatile building block in organic synthesis, primarily for constructing complex molecules. Its structure allows for facile incorporation into various synthetic pathways, enabling the creation of diverse chemical scaffolds.
Cross-Coupling Reactions
Serves as a substrate in palladium-catalyzed cross-coupling reactions, such as the Suzuki-Miyaura coupling. This facilitates the formation of carbon-carbon bonds and the synthesis of substituted indoles.
Pharmaceutical Research
A reagent for the synthesis of potential pharmaceutical candidates. Its indole core and boronic acid functionality make it useful for developing novel drug discovery programs and medicinal chemistry research.
| Molecular weight | 301.13 |
|---|---|
| Linear formula | C6H5SO2NC8H5B(OH)2 |
| Assay | 97% |
| Storage temperature | 2-8°C |
| Melting point | 144 °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 1-(Phenylsulfonyl)-3-indolylboronic acid used for?
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1-(Phenylsulfonyl)-3-indolylboronic acid is primarily used as a building block in organic synthesis, particularly for palladium-catalyzed cross-coupling reactions like the Suzuki-Miyaura coupling, and in pharmaceutical research for the synthesis of potential drug candidates.
What is the CAS number and chemical formula for 1-(Phenylsulfonyl)-3-indolylboronic acid?
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The CAS number is 129271-98-3 and the chemical formula is C6H5SO2NC8H5B(OH)2.
What grade and purity does Tech Serve Solutions supply for 1-(Phenylsulfonyl)-3-indolylboronic acid?
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Tech Serve Solutions supplies 1-(Phenylsulfonyl)-3-indolylboronic acid with an assay of 97%. We do not represent this product as USP, BP, EP, or any other pharmacopoeial grade unless explicitly stated in the product specifications.
What are the safety and handling recommendations for 1-(Phenylsulfonyl)-3-indolylboronic acid?
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Handling requires appropriate personal protective equipment, including eyeshields, gloves, and a type N95 (US) or type P1 (EN143) respirator filter. The compound has a WGK rating of 3 in Germany, indicating it is hazardous to water.
How is 1-(Phenylsulfonyl)-3-indolylboronic acid packed, shipped, and exported?
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This chemical is carefully packed to ensure stability and safety during transit. Tech Serve Solutions is experienced in exporting fine chemicals globally, adhering to all relevant shipping regulations.
How can I request a sample or quote for 1-(Phenylsulfonyl)-3-indolylboronic acid?
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To request a sample or a quote, please use the contact form on our website or contact our sales department directly, specifying the product name and CAS number.
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