3-Amino-4-phenyl-1H-pyrazole
3-Amino-4-phenyl-1H-pyrazole (CAS 5591-70-8), with the molecular formula C9H9N3 and a molecular weight of 159.19 g/mol, is a heterocyclic organic compound. It serves as a valuable building block in chemical synthesis, particularly for creating more complex molecular structures. This pyrazole derivative is widely employed in research and development for its utility in medicinal chemistry and the synthesis of novel compounds.

Chemical Synthesis Intermediate
3-Amino-4-phenyl-1H-pyrazole is utilized as a key intermediate in the synthesis of various organic molecules. Its reactive amino and pyrazole functionalities allow for diverse chemical transformations, making it useful in the construction of complex heterocyclic systems.
Medicinal Chemistry Research
This compound serves as a scaffold in medicinal chemistry for the development of potential therapeutic agents. Its structure can be modified to explore interactions with biological targets, contributing to drug discovery efforts.
Materials Science
Derivatives of 3-Amino-4-phenyl-1H-pyrazole may find applications in materials science due to their unique electronic and structural properties, potentially for use in functional materials or dyes.
| Molecular weight | 159.19 |
|---|---|
| Empirical formula | C9H9N3 |
| Assay | 97% |
| Storage temperature | 2-8°C |
| Melting point | 176-180 °C |

Hazard statements
- H302Harmful if swallowed
- 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) | Xn |
| Risk statements (R) | 22-36/37/38 |
| 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 3-Amino-4-phenyl-1H-pyrazole used for?
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3-Amino-4-phenyl-1H-pyrazole is primarily used as a building block in chemical synthesis and as a scaffold in medicinal chemistry research for developing novel compounds.
What are the CAS number and molecular formula for 3-Amino-4-phenyl-1H-pyrazole?
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The CAS number for 3-Amino-4-phenyl-1H-pyrazole is 5591-70-8, and its molecular formula is C9H9N3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Amino-4-phenyl-1H-pyrazole with an assay of 97%. This product is not represented as USP, BP, or EP grade.
How should 3-Amino-4-phenyl-1H-pyrazole be handled safely?
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3-Amino-4-phenyl-1H-pyrazole is classified as harmful if swallowed and causes skin and eye irritation, and may cause respiratory irritation. Handle with appropriate personal protective equipment, avoiding dust formation and inhalation. Refer to the Safety Data Sheet for detailed handling instructions.
How is 3-Amino-4-phenyl-1H-pyrazole packed and shipped?
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3-Amino-4-phenyl-1H-pyrazole is carefully packed to ensure safe transit and is available for export globally by Tech Serve Solutions.
How can I request a sample or quote for 3-Amino-4-phenyl-1H-pyrazole?
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To request a sample or a quote for 3-Amino-4-phenyl-1H-pyrazole, please contact our sales team through the website or by phone.
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