3-(4-Bromophenyl)-5-(trifluoromethyl)-1H-pyrazole
3-(4-Bromophenyl)-5-(trifluoromethyl)-1H-pyrazole (CAS: 219986-65-9) is a heterocyclic organic compound with the molecular formula C10H6BrF3N2 and a molecular weight of 291.07 g/mol. This fluorinated building block is characterised by its pyrazole core substituted with a bromophenyl and a trifluoromethyl group. It is primarily utilised as a synthetic intermediate in the development of novel organic molecules and advanced materials.

Organic Synthesis Intermediate
Serves as a valuable building block in multi-step organic syntheses. Its specific structure allows for further functionalisation in the development of complex organic molecules.
Pharmaceutical Research
Utilised in the discovery and synthesis of potential pharmaceutical candidates. The trifluoromethyl and bromophenyl moieties can impart desirable properties to biologically active compounds.
Materials Science
Investigated for its potential incorporation into advanced materials, leveraging its unique structural and electronic characteristics.
| Molecular weight | 291.07 |
|---|---|
| Empirical formula | C10H6BrF3N2 |
| Assay | 97% |
| Storage temperature | 2-8°C |
| Melting point | 163-168 °C |

Hazard statements
- H319Causes serious eye irritation
- H413May cause long-lasting harmful effects to aquatic life
Precautionary statements
- P305IF IN EYES
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36 |
| 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-(4-Bromophenyl)-5-(trifluoromethyl)-1H-pyrazole used for?
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This compound is primarily used as a building block in organic synthesis, particularly in pharmaceutical research and materials science, due to its unique pyrazole structure with trifluoromethyl and bromophenyl substituents.
What are the CAS number and chemical formula?
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The CAS number is 219986-65-9 and the chemical formula is C10H6BrF3N2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this compound with an assay of 97%. It is supplied as a research or technical grade chemical; we do not represent it as USP, BP, EP, or any pharmacopoeia grade.
How should 3-(4-Bromophenyl)-5-(trifluoromethyl)-1H-pyrazole be handled?
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This compound is classified as a Warning. It causes serious eye irritation (H319) and may cause long lasting harmful effects to aquatic life (H413). Handle with appropriate personal protective equipment, including eye protection, and avoid release into the environment. Store at 2-8°C. Refer to the Safety Data Sheet for full details.
Is this product available for export?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including this product, to researchers and industries worldwide.
How can I request a sample or quote?
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To request a sample or a quote for 3-(4-Bromophenyl)-5-(trifluoromethyl)-1H-pyrazole, please contact our sales team through the website or by phone, providing your specific requirements.
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