1H-Benzo[d][1,2,3]triazol-5-ylboronic acid pinacol ester
1H-Benzo[d][1,2,3]triazol-5-ylboronic acid pinacol ester (CAS: 1257651-13-0) is an organoboron compound with the molecular formula C12H16BN3O2 and a molecular weight of 245.09 g/mol. It is primarily utilised as a building block in organic synthesis, particularly in cross-coupling reactions for the development of complex molecules. Its structure makes it valuable in pharmaceutical research and materials science.
- IUPAC
- 5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-benzo[d][1,2,3]triazole
- Synonyms
- 1257651-13-0C12H16BN3O25-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-benzo[d][1,2,3]triazole
![1H-Benzo[d][1,2,3]triazol-5-ylboronic acid pinacol ester (C12H16BN3O2) — chemical structure, CAS 1257651-13-0; Chemistry, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F1257651-13-0.png&w=3840&q=75)
Organic Synthesis Reagent
This boronate ester serves as a versatile coupling partner in Suzuki-Miyaura cross-coupling reactions. It enables the efficient formation of carbon-carbon bonds, crucial for constructing complex organic frameworks.
Pharmaceutical Intermediate
It is employed in the synthesis of novel pharmaceutical compounds and drug discovery programmes. The benzotriazole moiety offers specific functionalities for medicinal chemistry applications.
Materials Science
The compound can be incorporated into the design and synthesis of advanced materials, potentially including organic electronics or functional polymers, owing to its heteroaryl structure.
| Molecular weight | 245.09 |
|---|---|
| Empirical formula | C12H16BN3O2 |
| Assay | 97% |
| Storage temperature | 2-8°C |
| Melting point | 142-146 °C |
Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26 |
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 1H-Benzo[d][1,2,3]triazol-5-ylboronic acid pinacol ester used for?
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1H-Benzo[d][1,2,3]triazol-5-ylboronic acid pinacol ester is predominantly used as a reagent in organic synthesis, particularly for cross-coupling reactions like the Suzuki-Miyaura coupling, and as an intermediate in pharmaceutical research and materials science.
What are the CAS number and formula for this compound?
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The CAS number is 1257651-13-0 and the empirical formula is C12H16BN3O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1H-Benzo[d][1,2,3]triazol-5-ylboronic acid pinacol ester with a minimum purity of 97%. It is supplied as a research or technical grade chemical and is not represented as USP, BP, or EP.
How should this chemical be handled safely?
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This compound is a Warning substance that causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Always handle with appropriate personal protective equipment in a well-ventilated area. Refer to the Safety Data Sheet (SDS) for detailed handling and emergency procedures.
How is this product packed, shipped, and exported?
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Products are typically packed in appropriate containers suitable for chemical transport. Tech Serve Solutions is a specialist global supplier and exporter, adhering to all relevant shipping regulations for international distribution.
How can I request a sample or quote?
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To request a sample or a quotation, please contact our sales team through the website or provide your details via the inquiry form, specifying the product name and CAS number.
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