5-Amino-4-(4-fluorophenyl)-1H-pyrazole
5-Amino-4-(4-fluorophenyl)-1H-pyrazole (CAS 5848-05-5) is a fluorinated heterocyclic building block with the molecular formula C9H8FN3 and a molecular weight of 177.18 g/mol. This compound serves as a key intermediate in the synthesis of more complex organic molecules. Its structure, featuring a pyrazole core with a fluorophenyl substituent and an amino group, makes it valuable in medicinal chemistry and materials science research. Tech Serve Solutions supplies this reagent with a minimum purity of 97%.
- IUPAC
- 4-(4-Fluorophenyl)-1H-pyrazol-5-amine
- Synonyms
- 4-(4-Fluorophenyl)-1H-pyrazol-5-amine

Pharmaceutical Intermediate
This compound acts as a crucial building block in the synthesis pathways for novel pharmaceutical agents. The presence of the fluorophenyl group can impart desirable pharmacokinetic properties to drug candidates.
Organic Synthesis Reagent
As a functionalised pyrazole derivative, it is employed in various organic transformations. It can be used to construct more elaborate heterocyclic systems through reactions involving the amino group or the pyrazole ring.
Medicinal Chemistry Research
The unique structural features of 5-Amino-4-(4-fluorophenyl)-1H-pyrazole make it an attractive scaffold for exploring new therapeutic targets in medicinal chemistry.
Material Science Applications
Fluorinated organic compounds are often investigated for their potential in advanced materials; this pyrazole derivative could be a precursor for novel functional materials.
| Molecular weight | 177.18 |
|---|---|
| Empirical formula | C9H8FN3 |
| Assay | 97% |
| Melting point | 168-172 °C |


Hazard statements
- H302Harmful if swallowed
- H318Causes serious eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36 |
| 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 5-Amino-4-(4-fluorophenyl)-1H-pyrazole used for?
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5-Amino-4-(4-fluorophenyl)-1H-pyrazole is primarily used as a building block and intermediate in organic synthesis, particularly in the development of pharmaceuticals and potentially in material science.
What are the CAS number and formula for this compound?
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The CAS number is 5848-05-5 and the empirical formula is C9H8FN3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 5-Amino-4-(4-fluorophenyl)-1H-pyrazole with a minimum assay of 97%. We do not represent this product as USP, BP, or EP grade.
What are the safety considerations when handling this chemical?
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This compound is classified as dangerous. It is harmful if swallowed (H302) and causes serious eye damage (H318). Always use a dust mask (N95), eyeshields, and gloves, and handle in a well-ventilated area. In case of contact with eyes, rinse cautiously with water for several minutes (P305+P351+P338).
How is this chemical shipped and exported?
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Tech Serve Solutions is an experienced global supplier and exporter of fine chemicals, ensuring appropriate packaging and documentation for international shipments.
How can I request a sample or quote for 5-Amino-4-(4-fluorophenyl)-1H-pyrazole?
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To request a sample or a quotation, please contact our sales department through the website or by calling us directly.
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