3-[2-(4,5-Dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)diazenyl]-2-hydroxy-5-nitrobenzenesulfonic acid

CAS Registry Number®

20352-64-1

CAS Name

3-[2-(4,5-Dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)diazenyl]-2-hydroxy-5-nitrobenzenesulfonic acid

Molecular Formula

C16H13N5O7S

Molecular Mass

419.37

Cite this Page

3-[2-(4,5-Dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)diazenyl]-2-hydroxy-5-nitrobenzenesulfonic acid.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=20352-64-1 (retrieved 2024-11-22) (CAS RN: 20352-64-1).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C16H13N5O7S/c1-9-14(16(23)20(19-9)10-5-3-2-4-6-10)18-17-12-7-11(21(24)25)8-13(15(12)22)29(26,27)28/h2-8,14,22H,1H3,(H,26,27,28)

InChIKey

InChIKey=VINQJSLQXMWMAD-UHFFFAOYSA-N

SMILES

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

Canonical SMILES

O=C1N(N=C(C)C1N=NC=2C=C(C=C(C2O)S(=O)(=O)O)N(=O)=O)C=3C=CC=CC3

Other Names for this Substance

  • Benzenesulfonic acid, 3-[2-(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)diazenyl]-2-hydroxy-5-nitro-
  • C.I. Mordant Orange 29
  • Benzenesulfonic acid, 3-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-2-hydroxy-5-nitro-
  • 1-Phenol-2-sulfonic acid, 6-(3-methyl-5-oxo-1-phenyl-2-pyrazolin-4-ylazo)-4-nitro-
  • 3-[2-(4,5-Dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)diazenyl]-2-hydroxy-5-nitrobenzenesulfonic acid

Deleted or Replaced CAS Registry Numbers

123519-91-5, 808168-91-4, 1265681-45-5

CAS INSIGHTSTM
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