4-(2-Hydroxy-4-nitrophenylazo)-1-phenyl-3-methylpyrazolone

CAS Registry Number®

15866-36-1
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CAS Name

4-(2-Hydroxy-4-nitrophenylazo)-1-phenyl-3-methylpyrazolone

Molecular Formula

C16H13N5O4

Molecular Mass

339.31

Cite this Page

4-(2-Hydroxy-4-nitrophenylazo)-1-phenyl-3-methylpyrazolone.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=15866-36-1 (retrieved 2024-08-22) (CAS RN: 15866-36-1).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C16H13N5O4/c1-10-15(16(23)20(19-10)11-5-3-2-4-6-11)18-17-13-8-7-12(21(24)25)9-14(13)22/h2-9,15,22H,1H3

InChIKey

InChIKey=ULPPOWQPJBUQOF-UHFFFAOYSA-N

SMILES

O=C1N(N=C(C)C1N=NC2=C(O)C=C(N(=O)=O)C=C2)C3=CC=CC=C3

Canonical SMILES

O=C1N(N=C(C)C1N=NC2=CC=C(C=C2O)N(=O)=O)C=3C=CC=CC3

Other Names for this Substance

  • 3H-Pyrazol-3-one, 2,4-dihydro-4-[2-(2-hydroxy-4-nitrophenyl)diazenyl]-5-methyl-2-phenyl-
  • 2-Pyrazolin-5-one, 4-[(2-hydroxy-4-nitrophenyl)azo]-3-methyl-1-phenyl-
  • 3H-Pyrazol-3-one, 2,4-dihydro-4-[(2-hydroxy-4-nitrophenyl)azo]-5-methyl-2-phenyl-
  • 2,4-Dihydro-4-[2-(2-hydroxy-4-nitrophenyl)diazenyl]-5-methyl-2-phenyl-3H-pyrazol-3-one
  • 4-(2′-Hydroxy-4′-nitrophenylazo)-1-phenyl-3-methylpyrazol-5-one

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Deleted or Replaced CAS Registry Numbers

131132-63-3, 39904-52-4, 318960-28-0, 442634-21-1, 157760-80-0