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Reference substances

Reference substances

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General information

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Reference substance information

IUPAC name:
lithium sodium bis[1-[(2-hydroxy-5-nitrophenyl)azo]-2-naphtholato(2-)]chromate(1-)

Related substances

Identifiers of related substances
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Identifier:
CAS number
Identity:
83733-08-8
Identifier:
CAS number
Identity:
74421-71-9
Identifier:
CAS number
Identity:
57206-81-2

Molecular and structural information

Molecular formula:
C32H18CrN6O8 . Li or Na
Molecular weight:
ca. 673 - ca. 689
SMILES notation:
[Na+] / [Li+].[O-][N+](=O)C1=CC2=C([O-][Cr+3]3456[O-]C7=C(C8=C(C=CC=C8)C=C7)[N]3=N2)C=C1.[O-][N+](=O)C1=CC(N=[N]4C2=C([O-]5)C=CC3=C2C=CC=C3)=C([O-]6)C=C1
Structural formula:
Chemical structure