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90155-87-6 2,7-naphthalenedisulfonic acid,3-hydroxy-4-[[2-sulfo-4-[(4-sulfophenyl)azo]phenyl]azo]-,

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Product Name 2,7-Naphthalenedisulfonic acid,3-hydroxy-4-[[2-sulfo-4-[(4-sulfophenyl)azo]phenyl]azo]-, calcium salt
CAS No. 90155-87-6
Molecular Formula C22H16N4O13S4・xCa