5-Amino-3-methyl-1-phenylpyrazole
5-Amino-3-methyl-1-phenylpyrazole (CAS: 1131-18-6; Formula: C10H11N3) is a chemical intermediate and building block utilised in organic synthesis. With a molecular weight of 173.21 g/mol, this pyrazole derivative offers a versatile scaffold for the development of more complex molecules. It is frequently employed in research and development settings, contributing to advancements in chemical synthesis and the creation of novel compounds. Available from Tech Serve Solutions with a minimum assay of 97%.

Organic Synthesis Intermediate
Serves as a key building block in the synthesis of diverse organic compounds. Its pyrazole core allows for further functionalisation in multi-step synthetic routes.
Pharmaceutical Research
Utilised as a precursor or intermediate in the research and development of potential pharmaceutical agents. The pyrazole moiety is present in various biologically active molecules.
Heterocyclic Chemistry
A valuable reagent for constructing complex heterocyclic systems. Its structure lends itself to reactions characteristic of amino-pyrazoles and phenyl-substituted heterocycles.
Material Science Precursor
May be employed in the synthesis of novel materials or functional molecules where its specific structural features are advantageous.
| Molecular weight | 173.21 |
|---|---|
| Empirical formula | C10H11N3 |
| Assay | 97% |
| Melting point | 114-117 °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-methyl-1-phenylpyrazole used for?
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5-Amino-3-methyl-1-phenylpyrazole is primarily used as a building block and intermediate in organic synthesis, particularly in the research and development of new compounds within pharmaceutical and heterocyclic chemistry.
What are the CAS number and formula for 5-Amino-3-methyl-1-phenylpyrazole?
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The CAS number for 5-Amino-3-methyl-1-phenylpyrazole is 1131-18-6, and its molecular formula is C10H11N3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 5-Amino-3-methyl-1-phenylpyrazole with a minimum assay of 97%. This product is typically supplied for research and chemical synthesis purposes; TSS does not represent it as USP, BP, EP, or any other pharmacopoeia grade.
How should 5-Amino-3-methyl-1-phenylpyrazole be handled safely?
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Handle with appropriate personal protective equipment, including a dust mask (type N95 or equivalent), eyeshields, and gloves. Ensure adequate ventilation and avoid inhaling dust. Refer to the safety data sheet for comprehensive handling instructions.
Does Tech Serve Solutions export 5-Amino-3-methyl-1-phenylpyrazole?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including 5-Amino-3-methyl-1-phenylpyrazole, serving customers worldwide.
How can I request a sample or quote for 5-Amino-3-methyl-1-phenylpyrazole?
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To request a sample or a quotation, please use the contact form on our website or reach out to our sales team directly, providing the product name (5-Amino-3-methyl-1-phenylpyrazole) and CAS number (1131-18-6).
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