5-Amino-4-bromo-3-methyl-1H-pyrazole
5-Amino-4-bromo-3-methyl-1H-pyrazole (CAS: 1780-72-9, C4H6BrN3) is a halogenated heterocyclic compound. With a molecular weight of 176.01 g/mol, it serves as a valuable building block in organic synthesis. This pyrazole derivative is primarily utilised in the development of novel chemical entities and research applications within the pharmaceutical and agrochemical sectors, facilitating complex molecular construction.

Organic Synthesis Intermediate
This compound is employed as a key intermediate in the synthesis of more complex organic molecules. Its structure, featuring a pyrazole core with amino and bromo substituents, allows for diverse derivatisation.
Pharmaceutical Research
Used in the discovery and development of new pharmaceutical agents, 5-Amino-4-bromo-3-methyl-1H-pyrazole can be incorporated into potential drug candidates.
Agrochemical Development
Its heterocyclic nature makes it a useful starting material for the synthesis of novel agrochemicals, potentially leading to new pesticides or herbicides.
Chemical Reagent
Serves as a versatile reagent in academic and industrial research laboratories for exploring new chemical reactions and methodologies.
| Molecular weight | 176.01 |
|---|---|
| Empirical formula | C4H6BrN3 |
| Assay | 97% |
| Storage temperature | 2-8°C |
| Melting point | 117-122 °C |

Hazard statements
- H302Harmful if swallowed
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22 |
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-bromo-3-methyl-1H-pyrazole used for?
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5-Amino-4-bromo-3-methyl-1H-pyrazole is primarily used as a building block in organic synthesis, particularly in pharmaceutical and agrochemical research and development.
What is the CAS number and formula for 5-Amino-4-bromo-3-methyl-1H-pyrazole?
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The CAS number is 1780-72-9 and the empirical formula is C4H6BrN3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 5-Amino-4-bromo-3-methyl-1H-pyrazole with an assay of 97%. This product is suitable for research and synthesis purposes and is not represented as USP, BP, EP, or any other pharmacopoeia grade.
How should 5-Amino-4-bromo-3-methyl-1H-pyrazole be handled?
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This compound is classified as a Warning substance with hazard statement H302 (Harmful if swallowed). It should be handled with appropriate personal protective equipment in a well-ventilated area to avoid ingestion and exposure. Store at 2-8°C.
How is 5-Amino-4-bromo-3-methyl-1H-pyrazole packed and shipped?
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Tech Serve Solutions exports fine chemicals globally, ensuring appropriate packaging for safe transit and compliance with international shipping regulations.
How can I request a sample or quote for 5-Amino-4-bromo-3-methyl-1H-pyrazole?
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To request a sample or a quotation, please contact our sales team through the website or by phone, providing your specific requirements.
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