3-Carboxy-1-(4′-sulfophenyl)-5-pyrazolone

CAS Registry Number®

21951-33-7

CAS Name

3-Carboxy-1-(4′-sulfophenyl)-5-pyrazolone

Molecular Formula

C10H8N2O6S

Molecular Mass

284.25

Cite this Page

3-Carboxy-1-(4′-sulfophenyl)-5-pyrazolone.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=21951-33-7 (retrieved 2025-01-05) (CAS RN: 21951-33-7).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C10H8N2O6S/c13-9-5-8(10(14)15)11-12(9)6-1-3-7(4-2-6)19(16,17)18/h1-5,13H,(H,14,15)(H,16,17,18)

InChIKey

InChIKey=FWCFCFWLTZFWFS-UHFFFAOYSA-N

SMILES

OC=1N(N=C(C(O)=O)C1)C2=CC=C(S(=O)(=O)O)C=C2

Canonical SMILES

O=C(O)C1=NN(C(O)=C1)C2=CC=C(C=C2)S(=O)(=O)O

Other Names for this Substance

  • 1H-Pyrazole-3-carboxylic acid, 5-hydroxy-1-(4-sulfophenyl)-
  • Pyrazole-3-carboxylic acid, 5-hydroxy-1-(p-sulfophenyl)-
  • 5-Hydroxy-1-(4-sulfophenyl)-1H-pyrazole-3-carboxylic acid
  • 1-(4-Sulfophenyl)-3-carboxy-5-hydroxypyrazole
  • 3-Carboxy-1-(4′-sulfophenyl)-5-pyrazolone

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