5′-Fluoro-2′-hydroxyphenyl 1-phenyl-1H-pyrazol-4-yl ketone
5′-Fluoro-2′-hydroxyphenyl 1-phenyl-1H-pyrazol-4-yl ketone (CAS: 288401-60-5, C16H11FN2O2) is a specialised heterocyclic building block with a molecular weight of 282.27 g/mol. This compound features a fluorinated hydroxyphenyl group attached to a phenyl pyrazole core, making it a valuable intermediate in organic synthesis. It is primarily utilised in research and development for the construction of more complex molecular architectures, particularly within medicinal chemistry and materials science.

Organic Synthesis Intermediate
Serves as a key building block in the multi-step synthesis of novel organic compounds. Its functional groups allow for diverse chemical transformations.
Medicinal Chemistry Research
The pyrazole and fluorophenyl motifs are common in pharmacologically active molecules. This compound can be used to explore new drug candidates.
Materials Science Exploration
Can be incorporated into functional materials due to its aromatic and heterocyclic structure, potentially influencing optical or electronic properties.
| Molecular weight | 282.27 |
|---|---|
| Empirical formula | C16H11FN2O2 |
| Assay | 97% |
| Melting point | 116-119 °C(lit.) |

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
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
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 5′-Fluoro-2′-hydroxyphenyl 1-phenyl-1H-pyrazol-4-yl ketone used for?
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This compound is primarily used as a building block in organic synthesis, particularly within medicinal chemistry research and materials science exploration.
What are the CAS number and molecular formula?
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The CAS number is 288401-60-5 and the molecular formula is C16H11FN2O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this product with an assay of 97%. We do not represent it as USP, BP, or EP grade.
How should I handle 5′-Fluoro-2′-hydroxyphenyl 1-phenyl-1H-pyrazol-4-yl ketone?
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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). Use with adequate ventilation and wear appropriate personal protective equipment, including Eyeshields, Gloves, and a dust mask type N95 (US).
Is this product available for export?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including this product.
How can I request a sample or quote?
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Please contact our sales department directly through the website or by phone to request a sample or a formal quotation.
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