2,4-Dihydro-5-methyl-2-phenyl-4-[(phenylamino)methylene]-3H-pyrazol-3-one

CAS Registry Number®

4173-73-3

CAS Name

2,4-Dihydro-5-methyl-2-phenyl-4-[(phenylamino)methylene]-3H-pyrazol-3-one

Molecular Formula

C17H15N3O

Molecular Mass

277.32

Cite this Page

2,4-Dihydro-5-methyl-2-phenyl-4-[(phenylamino)methylene]-3H-pyrazol-3-one.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=4173-73-3 (retrieved 2025-08-26) (CAS RN: 4173-73-3).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    154 °C

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C17H15N3O/c1-13-16(12-18-14-8-4-2-5-9-14)17(21)20(19-13)15-10-6-3-7-11-15/h2-12,18H,1H3

InChIKey

InChIKey=DSERYMNADDJALG-UHFFFAOYSA-N

SMILES

O=C1N(N=C(C)C1=CNC2=CC=CC=C2)C3=CC=CC=C3

Canonical SMILES

O=C1C(=CNC=2C=CC=CC2)C(=NN1C=3C=CC=CC3)C

Other Names for this Substance

  • 3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-2-phenyl-4-[(phenylamino)methylene]-
  • 2-Pyrazolin-5-one, 4-(anilinomethylene)-3-methyl-1-phenyl-
  • 2,4-Dihydro-5-methyl-2-phenyl-4-[(phenylamino)methylene]-3H-pyrazol-3-one
  • 4-Anilinomethylene-3-methyl-1-phenyl-2-pyrazolin-5-one

CAS INSIGHTSTM
Chemical structures and molecular diagrams on a digital screen with highlighted sections in red, green, and blue circles