Description

4-Bromo-3-phenyl-5-(trifluoromethyl)-1H-pyrazole (CAS No. 230295-07-5) is a high-purity heterocyclic compound with the molecular formula C₁₀H₆BrF₃N₂. This brominated and trifluoromethyl-substituted pyrazole derivative is a valuable building block in pharmaceutical and agrochemical research. Its unique structure, featuring both electron-withdrawing (Br, CF₃) and aromatic (phenyl) groups, makes it particularly useful for designing bioactive molecules. The compound is supplied as a crystalline solid with ≥95% purity (HPLC) and is rigorously tested for quality assurance. Ideal for Suzuki couplings, nucleophilic substitutions, and other cross-coupling reactions, it is packaged under inert gas to ensure stability. Store in a cool, dry place away from light and moisture.

Properties

• CAS Number: 230295-07-5
• Complexity: 241
• IUPAC Name: 4-bromo-3-phenyl-5-(trifluoromethyl)-1H-pyrazole
• InChI: InChI=1S/C10H6BrF3N2/c11-7-8(6-4-2-1-3-5-6)15-16-9(7)10(12,13)14/h1-5H,(H,15,16)
• InChI Key: OBKUMDOWKMRFPB-UHFFFAOYSA-N
• Exact Mass: 289.96665
• Molecular Formula: C10H6BrF3N2
• Molecular Weight: 291.07
• SMILES: C1=CC=C(C=C1)C2=NNC(=C2Br)C(F)(F)F
• Topological: 28.7
• Monoisotopic Mass: 289.96665
• Synonyms: 4-bromo-3-phenyl-5-(trifluoromethyl)-1H-pyrazole, 230295-07-5, 4-bromo-5-phenyl-3-(trifluoromethyl)pyrazole, 4-bromo-5-phenyl-3-(trifluoromethyl)-1H-pyrazole, 4-Bromo-3-(trifluoromethyl)-5-phenyl-1H-pyrazole, 1119391-55-7, 4-Bromo-5-phenyl-3-trifluoromethylpyrazole, MFCD00153731, 1H-Pyrazole, 4-bromo-3-phenyl-5-(trifluoromethyl)-, 4-Bromo-5(3)-phenyl-3(5)-(trifluoromethyl)pyrazole, SCHEMBL1853386, SCHEMBL2875560, DTXSID10371359, SBB061837, AKOS005109530, AKOS030240206, FB55257, MS-7449, 4-Bromo-3-phenyl-5-trifluoromethylpyrazole, G84720, 4-Bromo-3-phenyl-5-trifluoromethyl-1H-pyrazole

Application

4-Bromo-3-phenyl-5-(trifluoromethyl)-1H-pyrazole serves as a key intermediate in medicinal chemistry for the synthesis of kinase inhibitors and antimicrobial agents. Its trifluoromethyl group enhances metabolic stability and lipophilicity in drug candidates. Researchers also utilize it in crop protection chemical development due to its potential pesticidal activity. The bromine moiety allows further functionalization via palladium-catalyzed cross-coupling reactions.

Safety and Hazards

GHS Hazard Statements

• H301 (100%): Toxic if swallowed [Danger Acute toxicity, oral]
• H311 (100%): Toxic in contact with skin [Danger Acute toxicity, dermal]

Precautionary Statements

• P262, P264, P270, P280, P301+P316, P302+P352, P316, P321, P330, P361+P364, P405, and P501

Hazard Classes and Categories

• Acute Tox. 3 (100%)
• Acute Tox. 3 (100%)

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Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.