1-(Phenylsulfonyl)-3-indolylboronic acid pinacol ester
1-(Phenylsulfonyl)-3-indolylboronic acid pinacol ester (CAS: 870717-93-4), with the molecular formula C20H22BNO4S and a molecular weight of 383.27, is a boronate ester derivative. This compound serves as a valuable building block in organic synthesis, particularly for constructing complex molecular architectures. Its applications are primarily within research and development settings, facilitating the creation of novel compounds in medicinal chemistry and materials science.
- IUPAC
- 1-(Phenylsulfonyl)-3-indoleboronic acid pinacol ester

Organic Synthesis Intermediate
This boronate ester is a versatile reagent used in cross-coupling reactions, such as Suzuki-Miyaura couplings, to form new carbon-carbon bonds. It is particularly useful for introducing the indolyl moiety into various organic frameworks.
Medicinal Chemistry
It acts as a key intermediate in the synthesis of potential drug candidates. The indole core is prevalent in many biologically active molecules, making this compound a useful tool for drug discovery research.
Materials Science
The unique structural features of this compound may lend themselves to the development of novel organic materials with specific electronic or optical properties.
| Molecular weight | 383.27 |
|---|---|
| Empirical formula | C20H22BNO4S |
| Assay | 97% |
| Melting point | 120-125 °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 1-(Phenylsulfonyl)-3-indolylboronic acid pinacol ester used for?
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This compound is primarily used as an intermediate in organic synthesis, particularly in cross-coupling reactions for the construction of complex organic molecules, including those relevant to medicinal chemistry and materials science.
What is the CAS number and molecular formula for 1-(Phenylsulfonyl)-3-indolylboronic acid pinacol ester?
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The CAS number is 870717-93-4, and the molecular formula is C20H22BNO4S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this product at a minimum purity of 97%. This is a technical/research grade material, and TSS does not represent it as USP, BP, EP, or any other pharmacopoeial standard.
How should 1-(Phenylsulfonyl)-3-indolylboronic acid pinacol ester be handled?
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Appropriate personal protective equipment, including eyeshields and gloves, should be worn. A type N95 (US) or type P1 (EN143) respirator filter is recommended. Ensure adequate ventilation when handling.
Is this product a controlled substance?
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Based on the provided data, there is no indication that this compound is a controlled substance.
How is this chemical packed, shipped, and exported?
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This chemical is carefully packed to ensure stability during transit and is available for global export by Tech Serve Solutions.
How can I request a sample or quote for 1-(Phenylsulfonyl)-3-indolylboronic acid pinacol ester?
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Please contact our sales team directly to request a sample or a formal quotation for this product.
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