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89785-44-4 1-naphthalenesulfonic acid,7-[(2-amino-8-hydroxy-6-sulfo-1-naphthalenyl)azo]-, disodium s

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Product Name 1-Naphthalenesulfonic acid,7-[(2-amino-8-hydroxy-6-sulfo-1-naphthalenyl)azo]-, disodium salt
CAS No. 89785-44-4
Molecular Formula C20H15N3O7S2・2Na