3-Hydroxy-4-[2-(4-sulfo-1-naphthalenyl)diazenyl]-2,7-naphthalenedisulfonic acid

CAS Registry Number®

642-59-1
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CAS Name

3-Hydroxy-4-[2-(4-sulfo-1-naphthalenyl)diazenyl]-2,7-naphthalenedisulfonic acid

Molecular Formula

C20H14N2O10S3

Molecular Mass

538.53

Cite this Page

3-Hydroxy-4-[2-(4-sulfo-1-naphthalenyl)diazenyl]-2,7-naphthalenedisulfonic acid.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=642-59-1 (retrieved 2024-05-04) (CAS RN: 642-59-1).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C20H14N2O10S3/c23-20-18(35(30,31)32)10-11-9-12(33(24,25)26)5-6-13(11)19(20)22-21-16-7-8-17(34(27,28)29)15-4-2-1-3-14(15)16/h1-10,23H,(H,24,25,26)(H,27,28,29)(H,30,31,32)

InChIKey

InChIKey=IRPXADUBAQAOKL-UHFFFAOYSA-N

SMILES

N(=NC=1C2=C(C(S(=O)(=O)O)=CC1)C=CC=C2)C=3C4=C(C=C(S(=O)(=O)O)C3O)C=C(S(=O)(=O)O)C=C4

Canonical SMILES

O=S(=O)(O)C=1C=CC=2C(C1)=CC(=C(O)C2N=NC3=CC=C(C=4C=CC=CC34)S(=O)(=O)O)S(=O)(=O)O

Other Names for this Substance

  • 2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-[2-(4-sulfo-1-naphthalenyl)diazenyl]-
  • 2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-[(4-sulfo-1-naphthalenyl)azo]-
  • 2-Naphthol-3,6-disulfonic acid, 1-(4-sulfo-1-naphthylazo)-
  • 3-Hydroxy-4-[2-(4-sulfo-1-naphthalenyl)diazenyl]-2,7-naphthalenedisulfonic acid
  • 3-Hydroxy-4-[(4-sulfo-1-naphthyl)azo]-2,7-naphthalenedisulfonic acid

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Deleted or Replaced CAS Registry Numbers

8022-11-5, 40500-73-0

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