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89276-40-4 1-naphthalenesulfonic acid,4-amino-5-hydroxy-6-[(7-sulfo-1-naphthalenyl)azo]-, disodium s

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Product Name 1-Naphthalenesulfonic acid,4-amino-5-hydroxy-6-[(7-sulfo-1-naphthalenyl)azo]-, disodium salt
CAS No. 89276-40-4
Molecular Formula C20H15N3O7S2・2Na