Benzenesulfonic acid, 4-[4,5-dihydro-4-[2-(2-hydroxy-5-nitrophenyl)diazenyl]-3-methyl-5-oxo-1H-pyrazol-1-yl]-, sodium salt (1:1)

CAS Registry Number®

6359-86-0
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CAS Name

Benzenesulfonic acid, 4-[4,5-dihydro-4-[2-(2-hydroxy-5-nitrophenyl)diazenyl]-3-methyl-5-oxo-1H-pyrazol-1-yl]-, sodium salt (1:1)

Molecular Formula

C16H13N5O7S.Na

Cite this Page

Benzenesulfonic acid, 4-[4,5-dihydro-4-[2-(2-hydroxy-5-nitrophenyl)diazenyl]-3-methyl-5-oxo-1H-pyrazol-1-yl]-, sodium salt (1:1).   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=6359-86-0 (retrieved 2024-09-20) (CAS RN: 6359-86-0).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

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

InChIKey

InChIKey=FCFLQQPVRFIPET-UHFFFAOYSA-N

SMILES

O=C1N(N=C(C)C1N=NC2=CC(N(=O)=O)=CC=C2O)C3=CC=C(S(=O)(=O)O)C=C3.[Na]

Canonical SMILES

[Na].O=C1N(N=C(C)C1N=NC2=CC(=CC=C2O)N(=O)=O)C3=CC=C(C=C3)S(=O)(=O)O

Other Names for this Substance

  • Benzenesulfonic acid, 4-[4,5-dihydro-4-[2-(2-hydroxy-5-nitrophenyl)diazenyl]-3-methyl-5-oxo-1H-pyrazol-1-yl]-, sodium salt (1:1)
  • C.I. Mordant Orange 3
  • Benzenesulfonic acid, 4-[4,5-dihydro-4-[(2-hydroxy-5-nitrophenyl)azo]-3-methyl-5-oxo-1H-pyrazol-1-yl]-, monosodium salt
  • C.I. 18840
  • Chrome Fast Orange 2RL

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Deleted or Replaced CAS Registry Numbers

1007475-37-7, 1173010-48-4, 1202863-63-5