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

CAS Registry Number®

25739-67-7
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CAS Name

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

Molecular Formula

C23H21N5O6S2

Molecular Mass

527.57

Cite this Page

4-[4,5-Dihydro-3-methyl-4-[2-[4-methyl-3-[(phenylamino)sulfonyl]phenyl]diazenyl]-5-oxo-1H-pyrazol-1-yl]benzenesulfonic acid.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=25739-67-7 (retrieved 2024-06-28) (CAS RN: 25739-67-7).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C23H21N5O6S2/c1-15-8-9-18(14-21(15)35(30,31)27-17-6-4-3-5-7-17)24-25-22-16(2)26-28(23(22)29)19-10-12-20(13-11-19)36(32,33)34/h3-14,22,27H,1-2H3,(H,32,33,34)

InChIKey

InChIKey=DNNYNDQWWWDTPP-UHFFFAOYSA-N

SMILES

O=C1N(N=C(C)C1N=NC2=CC(S(NC3=CC=CC=C3)(=O)=O)=C(C)C=C2)C4=CC=C(S(=O)(=O)O)C=C4

Canonical SMILES

O=C1N(N=C(C)C1N=NC2=CC=C(C(=C2)S(=O)(=O)NC=3C=CC=CC3)C)C4=CC=C(C=C4)S(=O)(=O)O

Other Names for this Substance

  • Benzenesulfonic acid, 4-[4,5-dihydro-3-methyl-4-[2-[4-methyl-3-[(phenylamino)sulfonyl]phenyl]diazenyl]-5-oxo-1H-pyrazol-1-yl]-
  • C.I. Acid Yellow 25
  • Benzenesulfonic acid, 4-[4,5-dihydro-3-methyl-4-[[4-methyl-3-[(phenylamino)sulfonyl]phenyl]azo]-5-oxo-1H-pyrazol-1-yl]-
  • 4-[4,5-Dihydro-3-methyl-4-[2-[4-methyl-3-[(phenylamino)sulfonyl]phenyl]diazenyl]-5-oxo-1H-pyrazol-1-yl]benzenesulfonic acid

Deleted or Replaced CAS Registry Numbers

70796-12-2