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823787-35-5 1-naphthalenesulfonic acid, 3-[(4-ethylphenyl)azo]-4-hydroxy-,monosodium salt

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Product Name 1-Naphthalenesulfonic acid, 3-[(4-ethylphenyl)azo]-4-hydroxy-,monosodium salt
CAS No. 823787-35-5
Molecular Formula C18H16N2O4S・Na