Chem
J-GLOBAL ID：200907053403666471   Nikkaji number：J5.630H

5-Pyrazolone

5-ピラゾロン
Substance type：
Substance type
Substance type classified into 3 categories.
Decided structure: Substances with a clear structure
Undicided Structure: Substances with unknown or undetermined structure
Mixtures: Mixtures, racemic compounds, or compounds with relative structural arrangements
Decided structure
Molecular formula： C3H4N2O
Molecular formula furigana： C3-H4-N2-O
Molecular weight： 84.078
InChI： InChI=1S/C3H4N2O/c6-3-1-2-4-5-3/h2H,1H2,(H,5,6)
InChI key： ZRHUHDUEXWHZMA-UHFFFAOYSA-N
SMILES： O=C1CC=NN1
Systematic name  (7)：
  • 1H-ピラゾール-5(4H)-オン
  • 4H-ピラゾール-5-オール
  • 2H-ピラゾール-3(4H)-オン
  • 3-ヒドロキシ-4H-ピラゾール
  • 2,4-ジヒドロ-3H-ピラゾール-3-オン
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Other name (9)：
  • 5-ピラゾロン
  • 2-ピラゾリン-5-オン
  • 5-Pyrazolone
  • 2-Pyrazolin-5-one
  • 2,4-Dihydro-3H-pyrazol-3-one
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CAS registry number： 137-44-0
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