4-[2-(4-Amino-2-sulfophenyl)diazenyl]-4,5-dihydro-5-oxo-1-(4-sulfophenyl)-1H-pyrazole-3-carboxylic acid

CAS Registry Number®

5656-10-0
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CAS Name

4-[2-(4-Amino-2-sulfophenyl)diazenyl]-4,5-dihydro-5-oxo-1-(4-sulfophenyl)-1H-pyrazole-3-carboxylic acid

Molecular Formula

C16H13N5O9S2

Molecular Mass

483.43

Cite this Page

4-[2-(4-Amino-2-sulfophenyl)diazenyl]-4,5-dihydro-5-oxo-1-(4-sulfophenyl)-1H-pyrazole-3-carboxylic acid.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=5656-10-0 (retrieved 2024-09-12) (CAS RN: 5656-10-0).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C16H13N5O9S2/c17-8-1-6-11(12(7-8)32(28,29)30)18-19-13-14(16(23)24)20-21(15(13)22)9-2-4-10(5-3-9)31(25,26)27/h1-7,13H,17H2,(H,23,24)(H,25,26,27)(H,28,29,30)

InChIKey

InChIKey=BJJABVALSYRXKL-UHFFFAOYSA-N

SMILES

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

Canonical SMILES

O=C(O)C1=NN(C(=O)C1N=NC2=CC=C(N)C=C2S(=O)(=O)O)C3=CC=C(C=C3)S(=O)(=O)O

Other Names for this Substance

  • 1H-Pyrazole-3-carboxylic acid, 4-[2-(4-amino-2-sulfophenyl)diazenyl]-4,5-dihydro-5-oxo-1-(4-sulfophenyl)-
  • 2-Pyrazoline-3-carboxylic acid, 4-[(4-amino-2-sulfophenyl)azo]-5-oxo-1-(p-sulfophenyl)-
  • 1H-Pyrazole-3-carboxylic acid, 4-[(4-amino-2-sulfophenyl)azo]-4,5-dihydro-5-oxo-1-(4-sulfophenyl)-
  • 4-[2-(4-Amino-2-sulfophenyl)diazenyl]-4,5-dihydro-5-oxo-1-(4-sulfophenyl)-1H-pyrazole-3-carboxylic acid

Deleted or Replaced CAS Registry Numbers

130814-43-6, 24685-83-4