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Reference substance information

IUPAC name:
2-Naphthalenesulfonic acid, 7-amino-4-hydroxy-3,8-bis[[4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]azo]-, trisodium salt
Synonyms
Names:
Identifier:
EC name
7-amino-4-hydroxy-3,8-bis-[[4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]azo]-2-naphthalene sulfonic acid tri sodium salt
Identifier:
EC number
612-028-6

CAS information

CAS number:
607724-47-0

Molecular and structural information

Molecular formula:
C26H22N5Na3O16S5
Molecular weight:
ca. 889.75
SMILES notation:
[Na+].[Na+].[Na+].[O-]S(=O)(=O)OCCS(=O)(=O)c1ccc(cc1)/N=N/c3c4cc(c(/N=N/c2ccc(cc2)S(=O)(=O)CCOS([O-])(=O)=O)c(O)c4ccc3N)S([O-])(=O)=O
InChl:
Nc1ccc2c(cc(S(=O)(=O)O{-}.[Na]{+})c(N=Nc3ccc(S(=O)(=O)CCOS(O)(=O)=O)cc3)c2O)c1N=Nc1ccc(S(=O)(=O)CCOS(O)(=O)=O)cc1
Structural formula:
Chemical structure