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62639-40-1 benzenesulfonic acid,4-[[2-hydroxy-5-[(phenylamino)carbonyl]phenyl]azo]-, monosodium salt

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Product Name Benzenesulfonic acid,4-[[2-hydroxy-5-[(phenylamino)carbonyl]phenyl]azo]-, monosodium salt
CAS No. 62639-40-1
Molecular Formula C19H15N3O5S・Na