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Reference substances

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IUPAC name:
disodium[((E)-1-((4-nitro-2-oxidophenyl)diazenyl)naphthalen-2-olate(2-))( (Z)-3-((4-nitro-2-oxidophenyl)diazenyl)-4-oxidonaphthalene-1-sulfonate (2-)) chromate(2-)]

Inventory

EC number:
271-351-7
EC name:
Disodium [4-hydroxy-3-[(2-hydroxy-4-nitrophenyl)azo]naphthalene-1-sulphonato(3-)][1-[(2-hydroxy-4-nitrophenyl)azo]-2-naphtholato(2-)]chromate(2-)
CAS number:
68541-71-9
CAS number:
68541-71-9

Synonyms

Molecular and structural information

Molecular formula:
C32H17CrN6O11S.2Na
Molecular weight:
ca. 791.55
SMILES notation:
[Na+].[Na+].[O-][N+](=O)c7ccc(/N=N/c6cc(c1ccccc1c6O[Cr]2Oc4ccc5ccccc5c4N=Nc3ccc(cc3O2)[N+]([O-])=O)S([O-])(=O)=O)c([O-])c7
InChl:
InChI=1S/C16H11N3O7S.C16H11N3O4.Cr.2Na/c20-14-7-9(19(22)23)5-6-12(14)17-18-13-8-15(27(24,25)26)10-3-1-2-4-11(10)16(13)21;20-14-8-5-10-3-1-2-4-12(10)16(14)18-17-13-7-6-11(19(22)23)9-15(13)21;;;/h1-8,20-21H,(H,24,25,26);1-9,20-21H;;;/q;;+3;2*+1/p-5/b2*18-17+;;;
Structural formula:
Chemical structure

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