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89276-96-0 2,7-naphthalenedisulfonic acid,3-amino-4-[(3,6-disulfo-1-naphthalenyl)azo]-5-hydroxy-, te

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Product Name 2,7-Naphthalenedisulfonic acid,3-amino-4-[(3,6-disulfo-1-naphthalenyl)azo]-5-hydroxy-, tetrasodium salt
CAS No. 89276-96-0
Molecular Formula C20H15N3O13S4・4Na