1,2-Dihydro-1-phenyl-3H-pyrazol-3-one

CAS Registry Number®

1008-79-3
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CAS Name

1,2-Dihydro-1-phenyl-3H-pyrazol-3-one

Molecular Formula

C9H8N2O

Molecular Mass

160.17

Cite this Page

1,2-Dihydro-1-phenyl-3H-pyrazol-3-one.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=1008-79-3 (retrieved 2024-07-08) (CAS RN: 1008-79-3).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    206-218 °C @ Press: 33 Torr

  • Melting Point (2)

    155-156 °C

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C9H8N2O/c12-9-6-7-11(10-9)8-4-2-1-3-5-8/h1-7H,(H,10,12)

InChIKey

InChIKey=MKMDCEXRIPLNGJ-UHFFFAOYSA-N

SMILES

O=C1NN(C=C1)C2=CC=CC=C2

Canonical SMILES

O=C1C=CN(N1)C=2C=CC=CC2

Other Names for this Substance

  • 3H-Pyrazol-3-one, 1,2-dihydro-1-phenyl-
  • Pyrazol-3-ol, 1-phenyl-
  • 3-Pyrazolin-5-one, 2-phenyl-
  • 1,2-Dihydro-1-phenyl-3H-pyrazol-3-one
  • 1-Phenyl-3-hydroxypyrazole

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Deleted or Replaced CAS Registry Numbers

18811-69-3, 30342-52-0