4-Fluoro-2-(1-phenyl-1H-pyrazol-5-yl)phenol acetate
4-Fluoro-2-(1-phenyl-1H-pyrazol-5-yl)phenol acetate (CAS: 1173021-97-0) is a fluorinated heterocyclic compound with the molecular formula C15H11FN2O · CH3CO2H and a molecular weight of 314.31 g/mol. Primarily utilised as a building block in chemical synthesis, this compound offers unique structural features for the development of complex molecules. Its applications span various research and development sectors requiring specialised fluorinated and heterocyclic intermediates.

Chemical Synthesis
Serves as a key intermediate and building block for organic synthesis. Its fluorinated pyrazole structure makes it valuable in creating novel compounds with potential applications in medicinal chemistry and materials science.
Research and Development
Used in academic and industrial laboratories for exploring new chemical pathways and developing advanced materials or biologically active molecules. The presence of fluorine and a pyrazole moiety offers distinct reactivity and properties.
Fluorinated Heterocycle Development
Enables the synthesis of more complex fluorinated heterocyclic systems, which are of significant interest in drug discovery due to their ability to modulate pharmacokinetic properties.
| Molecular weight | 314.31 |
|---|---|
| Empirical formula | C15H11FN2O · CH3CO2H |
| Assay | 97% |
| Melting point | 138-142 °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 4-Fluoro-2-(1-phenyl-1H-pyrazol-5-yl)phenol acetate used for?
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This compound is primarily used as a building block in chemical synthesis, particularly for the development of novel fluorinated heterocyclic compounds in research and development settings.
What is the CAS number and formula for 4-Fluoro-2-(1-phenyl-1H-pyrazol-5-yl)phenol acetate?
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The CAS number is 1173021-97-0, and the molecular formula is C15H11FN2O · CH3CO2H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this compound with a minimum purity of 97%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should 4-Fluoro-2-(1-phenyl-1H-pyrazol-5-yl)phenol acetate 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). It should be handled with appropriate personal protective equipment, including eyeshields, gloves, and a dust mask (type N95 or equivalent). Ensure adequate ventilation.
Can I request a sample or quote?
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Yes, samples and quotes can be requested via the 'Request Sample' or 'Request Quote' buttons on the product page, or by contacting our sales team directly.
How is this chemical exported?
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Tech Serve Solutions is an experienced global supplier and exporter of fine chemicals, ensuring compliant packaging and documentation for international shipments.
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