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Reference substances

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IUPAC name:
tetrasodium 2-[(E)-2-{2-sulfonato-4-[(E)-2-{4-[(E)-2-(4-sulfonatophenyl)diazen-1-yl]phenyl}diazen-1-yl]phenyl}ethenyl]-5-[(E)-2-{4-[(E)-2-(4-sulfonatophenyl)diazen-1-yl]phenyl}diazen-1-yl]benzene-1-sulfonate

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Synonyms

Molecular and structural information

Molecular formula:
C38H24N8Na4O12S4
Molecular weight:
1 004.9
SMILES notation:
[Na+].[Na+].[Na+].[Na+].[O-]S(=O)(=O)C1=CC=C(C=C1)\N=N\C1=CC=C(C=C1)\N=N\C1=CC(=C(\C=C\C2=CC=C(C=C2S([O-])(=O)=O)\N=N\C2=CC=C(C=C2)\N=N\C2=CC=C(C=C2)S([O-])(=O)=O)C=C1)S([O-])(=O)=O
Structural formula:
Chemical structure

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