3-Amino-5-phenylpyrazole
3-Amino-5-phenylpyrazole (CAS: 1572-10-7), 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 organic synthesis, particularly in the preparation of more complex molecules. Its structural features make it useful in the development of new chemical entities across various research and industrial applications.

Chemical Synthesis Intermediate
This pyrazole derivative is frequently employed as an intermediate in the synthesis of diverse organic compounds. Its reactive amino group and pyrazole ring allow for a range of chemical transformations.
Heterocyclic Compound Development
As a member of the pyrazole family, 3-Amino-5-phenylpyrazole is instrumental in constructing novel heterocyclic systems. These systems are often explored for their potential in medicinal chemistry and materials science.
Research and Development
The compound is utilized in academic and industrial research laboratories for exploring new synthetic routes and discovering molecules with specific properties. Its availability facilitates ongoing chemical innovation.
| Molecular weight | 159.19 |
|---|---|
| Empirical formula | C9H9N3 |
| Assay | 98% |
| Melting point | 124-127 °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 3-Amino-5-phenylpyrazole used for?
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3-Amino-5-phenylpyrazole is primarily used as a building block in chemical synthesis, particularly for the development of heterocyclic compounds and in research and development activities.
What is the CAS number and formula for 3-Amino-5-phenylpyrazole?
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The CAS number for 3-Amino-5-phenylpyrazole is 1572-10-7, and its empirical formula (Hill notation) is C9H9N3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Amino-5-phenylpyrazole with an assay of 98%. We do not represent this product as USP, BP, EP, or for any pharmacopoeia or nutraceutical use unless explicitly stated in the product data.
How should 3-Amino-5-phenylpyrazole be handled safely?
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3-Amino-5-phenylpyrazole is a Warning substance that may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Use with a dust mask type N95 (US), eyeshields, and gloves. Ensure good ventilation and avoid breathing dust.
Is 3-Amino-5-phenylpyrazole suitable for food or pharmaceutical applications?
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Based on the provided data, 3-Amino-5-phenylpyrazole is supplied with a 98% assay and is indicated for chemical synthesis and research. It is not designated as USP, BP, EP, or for direct pharmaceutical, food, or nutraceutical use.
How is this chemical shipped and exported?
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Tech Serve Solutions is a global supplier and exporter of fine chemicals, and 3-Amino-5-phenylpyrazole can be shipped and exported internationally, adhering to all relevant shipping regulations.
How can I request a quote or sample?
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To request a quote or sample of 3-Amino-5-phenylpyrazole, please contact our sales team through the website or by phone, providing your specific requirements.
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