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502508-46-5 2,7-naphthalenedisulfonic acid,5-amino-4-hydroxy-3-[(2-hydroxyphenyl)azo]-, monosodium s

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Product Name 2,7-Naphthalenedisulfonic acid,5-amino-4-hydroxy-3-[(2-hydroxyphenyl)azo]-, monosodium salt
CAS No. 502508-46-5
Molecular Formula C16H13N3O8S2・Na