1-Cyclopentyl-1H-pyrazole-4-boronic acid pinacol ester
1-Cyclopentyl-1H-pyrazole-4-boronic acid pinacol ester (CAS: 1233526-60-7; Formula: C14H23BN2O2; MW: 262.16) is a boronate ester crucial in organic synthesis. This white to off-white solid, with an assay of 97%, serves as a versatile building block in cross-coupling reactions and the synthesis of complex organic molecules, including pharmaceuticals and advanced materials. It is stored under refrigeration (2-8°C) to maintain stability.
- IUPAC
- 1-Cyclopentyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole
Suzuki-Miyaura Coupling Reagent
This boronate ester is an effective coupling partner in Suzuki-Miyaura reactions, enabling the formation of carbon-carbon bonds with aryl or vinyl halides. It is frequently used in the synthesis of complex heterocyclic compounds.
Medicinal Chemistry Intermediate
The pyrazole moiety and the boronic ester functionality make this compound valuable for constructing novel drug candidates. It can be incorporated into molecules targeting various therapeutic areas.
Materials Science
Used in the development of advanced materials, where precise structural control is required. The compound can be integrated into polymers or organic electronic materials.
Organic Synthesis Building Block
Serves as a versatile synthon for introducing the 1-cyclopentyl-1H-pyrazol-4-yl group into diverse organic frameworks through established chemical transformations.
| Molecular weight | 262.16 |
|---|---|
| Empirical formula | C14H23BN2O2 |
| Assay | 97% |
| Storage temperature | 2-8°C |
| Melting point | 40-44 °C |
Hazard statements
- H302Harmful if swallowed
| Flash point | >110 °C / >230 °F |
|---|---|
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22 |
| Safety statements (S) | 22-24/25 |
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-Cyclopentyl-1H-pyrazole-4-boronic acid pinacol ester used for?
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This compound is primarily used as a building block in organic synthesis, particularly in Suzuki-Miyaura cross-coupling reactions for the formation of carbon-carbon bonds and in the synthesis of pharmaceuticals and advanced materials.
What are the CAS number and formula for this product?
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The CAS number is 1233526-60-7 and the empirical formula (Hill notation) is C14H23BN2O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this product with an assay of 97%. It is not represented as USP, BP, EP, or other pharmacopoeia grades.
How should 1-Cyclopentyl-1H-pyrazole-4-boronic acid pinacol ester be handled and stored?
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This compound is classified as harmful if swallowed (H302) and requires careful handling. It should be stored at 2-8°C to maintain its quality and stability. Avoid ingestion and contact with skin and eyes.
How is this chemical shipped and exported?
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Tech Serve Solutions is a global supplier and exporter of fine chemicals, adhering to all necessary regulations for shipping and export. Specific shipping and handling requirements for this product will be observed.
How can I request a sample or quote?
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Please contact our sales team directly via our website or by phone to request a sample or a quotation for 1-Cyclopentyl-1H-pyrazole-4-boronic acid pinacol ester.
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