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31165-25-0 benzenesulfonic acid, 4-[(2-bromo-4,5-dihydroxyphenyl)azo]-,monosodium salt

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Product Name Benzenesulfonic acid, 4-[(2-bromo-4,5-dihydroxyphenyl)azo]-,monosodium salt
CAS No. 31165-25-0
Molecular Formula C12H9BrN2O5S・Na