5-Amino-3-(4-methylphenyl)-1-phenylpyrazole
5-Amino-3-(4-methylphenyl)-1-phenylpyrazole (CAS: 90012-40-1; C16H15N3) is a heterocyclic organic compound with a molecular weight of 249.31 g/mol. It serves as a valuable building block in organic synthesis, particularly within the realm of chemical research and development. Its pyrazole core structure makes it a useful intermediate for the creation of more complex molecules, finding application in medicinal chemistry and materials science.

Organic Synthesis Intermediate
Utilised as a foundational component in multi-step organic synthesis pathways. Its specific functional groups allow for diverse chemical transformations.
Medicinal Chemistry Research
Serves as a scaffold for the development of novel pharmaceutical candidates. The pyrazole moiety is a common feature in biologically active compounds.
Materials Science
Explored for its potential incorporation into functional materials due to its unique structural characteristics.
| Molecular weight | 249.31 |
|---|---|
| Empirical formula | C16H15N3 |
| Assay | 97% |
| Melting point | 173-176 °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-Amino-3-(4-methylphenyl)-1-phenylpyrazole used for?
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This compound is primarily used as a building block in organic synthesis, with potential applications in medicinal chemistry and materials science research.
What is the CAS number and formula for 5-Amino-3-(4-methylphenyl)-1-phenylpyrazole?
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The CAS number is 90012-40-1, and the molecular formula is C16H15N3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical with an assay of 97%. We do not represent it as USP, BP, or EP grade; it is suitable for research and chemical synthesis purposes.
What are the safety precautions for handling 5-Amino-3-(4-methylphenyl)-1-phenylpyrazole?
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Handle with appropriate personal protective equipment, including a dust mask type N95, eyeshields, and gloves. Ensure good ventilation, avoid breathing dust, and wash hands thoroughly after handling. This compound is classified as a Warning with hazards H315, H319, and H335, indicating it may cause skin irritation, serious eye irritation, and respiratory irritation.
How is 5-Amino-3-(4-methylphenyl)-1-phenylpyrazole typically packed and shipped?
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Products are carefully packed to maintain integrity during transport and are exported globally by Tech Serve Solutions, adhering to all relevant shipping regulations.
How can I request a sample or quote for this chemical?
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Please use the 'Request a Quote' or 'Sample Request' options on our website, or contact our sales team directly with your requirements.
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