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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 178819847Generated: November 1, 2026

4-{[1-(4-chlorophenyl)-5-hydroxy-3-methyl-1H-pyrazol-4-yl]methylene}-2-(4-fluorophenyl)-5-methyl-2,4-dihydro-3H-pyrazol-3-one

4-{[1-(4-chlorophenyl)-5-hydroxy-3-methyl-1H-pyrazol-4-yl]methylene}-2-(4-fluorophenyl)-5-methyl-2,4-dihydro-3H-pyrazol-3-one · 3H-Pyrazol-3-one, 4-[[1-(4-chlorophenyl)-5-hydroxy-3-methyl-1H-pyrazol-4-yl]methylene]-2-(4-fluorophenyl)-2,4-dihydro-5-methyl-

https://huagongshe.com/en/chemical/178819847

4-{[1-(4-chlorophenyl)-5-hydroxy-3-methyl-1H-pyrazol-4-yl]methylene}-2-(4-fluorophenyl)-5-methyl-2,4-dihydro-3H-pyrazol-3-one molecular structure

Identifiers & Physical Properties

CAS No.899718-53-7
Molecular formulaC21H16ClFN4O2
Average molar mass410.83 g/mol
SMILESCC1=NN(c2ccc(F)cc2)C(=O)C1=Cc1c(C)nn(-c2ccc(Cl)cc2)c1O
InChIKeyFCABZFMHXOWHAP-UHFFFAOYSA-N

Chemical & Physical Properties

Boiling point577.6±60.0 °C(Predicted)
Density1.40±0.1 g/cm3(Predicted)
pKa (acidity coefficient)6.99±0.50(Predicted)