Eriochrome Black A

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Supplier BOC Sciences
Product # 3618-58-4
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Cas 3618-58-4
Molecular Weight 461.38
Molecular Formula C20H12N3NaO7S
Canonical SMILES C1=CC=C2C(=C1)C=CC(=C2NN=C3C4=C(C=C(C=C4)[N+](=O)[O-])C(=CC3=O)S(=O)(=O)[O-])O.[Na+]
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