4-[2-(2-Hydroxy-6-sulfo-1-naphthalenyl)diazenyl]-1-naphthalenesulfonic acid

CAS Registry Number®

25317-26-4

CAS Name

4-[2-(2-Hydroxy-6-sulfo-1-naphthalenyl)diazenyl]-1-naphthalenesulfonic acid

Molecular Formula

C20H14N2O7S2

Molecular Mass

458.46

Cite this Page

4-[2-(2-Hydroxy-6-sulfo-1-naphthalenyl)diazenyl]-1-naphthalenesulfonic acid.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=25317-26-4 (retrieved 2024-11-22) (CAS RN: 25317-26-4).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C20H14N2O7S2/c23-18-9-5-12-11-13(30(24,25)26)6-7-14(12)20(18)22-21-17-8-10-19(31(27,28)29)16-4-2-1-3-15(16)17/h1-11,23H,(H,24,25,26)(H,27,28,29)

InChIKey

InChIKey=NLWPUNWFCUWCEU-UHFFFAOYSA-N

SMILES

N(=NC=1C2=C(C=C(S(=O)(=O)O)C=C2)C=CC1O)C=3C4=C(C(S(=O)(=O)O)=CC3)C=CC=C4

Canonical SMILES

O=S(=O)(O)C1=CC=C2C(C=CC(O)=C2N=NC3=CC=C(C=4C=CC=CC34)S(=O)(=O)O)=C1

Other Names for this Substance

  • 1-Naphthalenesulfonic acid, 4-[2-(2-hydroxy-6-sulfo-1-naphthalenyl)diazenyl]-
  • 1-Naphthalenesulfonic acid, 4-[(2-hydroxy-6-sulfo-1-naphthalenyl)azo]-
  • 2-Naphthol-6-sulfonic acid, 1-(4-sulfo-1-naphthylazo)-
  • 4-[2-(2-Hydroxy-6-sulfo-1-naphthalenyl)diazenyl]-1-naphthalenesulfonic acid
  • C.I. Acid Red 13 free acid