2,7-Naphthalenedisulfonic acid, 4-amino-3,6-bis[2-[4-[2-(2,4-diamino-5-sulfophenyl)diazenyl]phenyl]diazenyl]-5-hydroxy-, sodium salt (1:4)

CAS Registry Number®

72927-74-3

CAS Name

2,7-Naphthalenedisulfonic acid, 4-amino-3,6-bis[2-[4-[2-(2,4-diamino-5-sulfophenyl)diazenyl]phenyl]diazenyl]-5-hydroxy-, sodium salt (1:4)

Molecular Formula

C34H29N13O13S4.4Na

Cite this Page

2,7-Naphthalenedisulfonic acid, 4-amino-3,6-bis[2-[4-[2-(2,4-diamino-5-sulfophenyl)diazenyl]phenyl]diazenyl]-5-hydroxy-, sodium salt (1:4).   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=72927-74-3 (retrieved 2025-01-05) (CAS RN: 72927-74-3).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C34H29N13O13S4.4Na/c35-20-11-22(37)26(61(49,50)51)13-24(20)44-40-16-1-5-18(6-2-16)42-46-32-28(63(55,56)57)9-15-10-29(64(58,59)60)33(34(48)30(15)31(32)39)47-43-19-7-3-17(4-8-19)41-45-25-14-27(62(52,53)54)23(38)12-21(25)36;;;;/h1-14,48H,35-39H2,(H,49,50,51)(H,52,53,54)(H,55,56,57)(H,58,59,60);;;;

InChIKey

InChIKey=FOJZSEKYOPFUEC-UHFFFAOYSA-N

SMILES

NC=1C2=C(C=C(S(=O)(=O)O)C(N=NC3=CC=C(N=NC4=CC(S(=O)(=O)O)=C(N)C=C4N)C=C3)=C2O)C=C(S(=O)(=O)O)C1N=NC5=CC=C(N=NC6=CC(S(=O)(=O)O)=C(N)C=C6N)C=C5.[Na]

Canonical SMILES

[Na].O=S(=O)(O)C1=CC(N=NC2=CC=C(N=NC3=C(O)C=4C(C=C3S(=O)(=O)O)=CC(=C(N=NC5=CC=C(N=NC=6C=C(C(N)=CC6N)S(=O)(=O)O)C=C5)C4N)S(=O)(=O)O)C=C2)=C(N)C=C1N

Other Names for this Substance

  • 2,7-Naphthalenedisulfonic acid, 4-amino-3,6-bis[2-[4-[2-(2,4-diamino-5-sulfophenyl)diazenyl]phenyl]diazenyl]-5-hydroxy-, sodium salt (1:4)
  • 2,7-Naphthalenedisulfonic acid, 4-amino-3,6-bis[[4-[(2,4-diamino-5-sulfophenyl)azo]phenyl]azo]-5-hydroxy-, tetrasodium salt

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