Description

1-Methyl-3-(trifluoromethyl)-1H-pyrazol-5-ol (CAS No. 122431-37-2) is a high-purity fluorinated pyrazole derivative with the molecular formula C₅H₅F₃N₂O. This compound is widely utilized in pharmaceutical research, agrochemical development, and advanced material science due to its unique trifluoromethyl group, which enhances reactivity and stability. With a purity of ≥97%, it is ideal for precision synthesis, catalyst design, and ligand applications. Its versatile structure makes it a valuable intermediate in the synthesis of bioactive molecules, including potential drug candidates and specialty chemicals. Available in various quantities, this product is rigorously tested for consistency and quality, ensuring reliable performance in demanding research environments.

Properties

• CAS Number: 122431-37-2
• Complexity: 220
• IUPAC Name: 2-methyl-5-(trifluoromethyl)-1H-pyrazol-3-one
• InChI: InChI=1S/C5H5F3N2O/c1-10-4(11)2-3(9-10)5(6,7)8/h2,9H,1H3
• InChI Key: WQRHIGNAKDJJKN-UHFFFAOYSA-N
• Exact Mass: 166.03539727
• Molecular Formula: C5H5F3N2O
• Molecular Weight: 166.10
• SMILES: CN1C(=O)C=C(N1)C(F)(F)F
• Topological: 32.3
• Monoisotopic Mass: 166.03539727
• Synonyms: 1-methyl-3-(trifluoromethyl)-1H-pyrazol-5-ol, 122431-37-2, DTXSID40361268, DTXCID00312317, 626-417-3, 1H-Pyrazol-5-ol, 1-methyl-3-(trifluoromethyl)-, 2-methyl-5-(trifluoromethyl)-1H-pyrazol-3-one, 5-Hydroxy-1-methyl-3-(trifluoromethyl)pyrazole, 5-HYDROXY-1-METHYL-3-TRIFLUOROMETHYL-1H-PYRAZOLE, MFCD00139833, 1-Methyl-3-trifluoromethyl-1H-pyrazol-5-ol, 1-methyl-3-trifluoromethyl-5-hydroxypyrazole, 2-Methyl-5-trifluoromethyl-2H-pyrazol-3-ol, 2-methyl-5-(trifluoromethyl)pyrazol-3-ol, 1-methyl-5-hydroxy-3-(trifluoromethyl)pyrazole, 2-Methyl-3-hydroxy-5-trifluoromethylpyrazole, Bionet2_000182, 356759-12-1, MLS000756059, SCHEMBL537472, SCHEMBL758498, SCHEMBL2262355, SCHEMBL6440233, SCHEMBL6440235, CHEMBL3145182, LVXYUCMRJAIULG-UHFFFAOYSA-N, HMS1364I06, HMS2605B15, ALBB-027254, CCG-43989, STL388018, AKOS005070609, AKOS015898252, 5E-328S, SDCCGMLS-0065822.P001, 1-methyl-3-trifluoromethyl-5-pyrazolone, AC-27626, SMR000337731, SY106751, 1-methyl-3-(trifluoromethyl)pyrazol-5-ol, 1-methyl-3-(trifluoromethyl)pyrazol-5-one, 5-Hydroxy-1-methyl-3trifluoromethylpyrazole, DB-062056, 5-hydroxy-1-methyl-3-trifluoromethylpyrazole, CS-0102859, EN300-104656, A804890, 5-Hydroxy-1-methyl-3-(trifluoromethyl)-1H-pyrazole, SR-01000633860-1, 5-Hydroxy-1-methyl-3-(trifluoromethyl)pyrazole, >=97%, Z1255450314, 2-Methyl-5-(trifluoromethyl)-1,2-dihydro-3H-pyrazol-3-one

1-Methyl-3-(trifluoromethyl)-1H-pyrazol-5-ol serves as a key intermediate in the synthesis of pharmaceuticals, particularly in the development of trifluoromethyl-substituted heterocycles. It is also employed in agrochemical research for designing novel pesticides and herbicides. Additionally, its reactivity makes it useful in material science for creating specialized polymers and coatings. Researchers leverage its trifluoromethyl group to enhance metabolic stability in drug discovery projects.

Safety and Hazards

GHS Hazard Statements

• H301 (97.6%): Toxic if swallowed [Danger Acute toxicity, oral]
• H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
• H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H335 (100%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

• P261, P264, P264+P265, P270, P271, P280, P301+P316, P302+P352, P304+P340, P305+P351+P338, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501

Hazard Classes and Categories

• Acute Tox. 3 (97.6%)
• Skin Irrit. 2 (100%)
• Eye Irrit. 2 (100%)
• STOT SE 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.