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Reference substances

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IUPAC name:
trisodium (4E)-3-oxo-4-[2-(4-sulfonatonaphthalen-1-yl)hydrazin-1-ylidene]-3,4-dihydronaphthalene-2,7-disulfonate

Inventory

EC number:
213-022-2
EC name:
Trisodium 3-hydroxy-4-(4'-sulphonatonaphthylazo)naphthalene-2,7-disulphonate
CAS number:
915-67-3
CAS number:
915-67-3

Synonyms

Molecular and structural information

Molecular formula:
C20H14N2O10S3.3Na
Molecular weight:
604.479
SMILES notation:
c12c(cc(S([O-])(=O)=O)c(c1\N=N\c1c3c(c(S([O-])(=O)=O)cc1)cccc3)O)cc(S([O-])(=O)=O)cc2.[Na+].[Na+].[Na+]
InChl:
1S/C20H14N2O10S3.3Na/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);;;/q;3*+1/p-3/b22-21+;;;
Structural formula:
Chemical structure

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