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89369-98-2 2-naphthalenesulfonic acid, 6-hydroxy-5-[(2-nitrophenyl)azo]-,monosodium salt

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Product Name 2-Naphthalenesulfonic acid, 6-hydroxy-5-[(2-nitrophenyl)azo]-,monosodium salt
CAS No. 89369-98-2
Molecular Formula C16H11N3O6S・Na