2-Naphthalenesulfonic acid, 5-[(4-hydroxy-1-naphthalenyl)azo]-8-[(4-sulfophenyl)azo]-, disodium salt

CAS:245117-72-0

Formula:C26H18N4O7S2.2Na

Acid Violet 131

CAS:6262-05-1

Formula:C26H18N4O7S2.2Na

1-Naphthalenesulfonic acid, 4-hydroxy-3-[[4-[(2-sulfophenyl)azo]-1-naphthalenyl]azo]-, disodium salt

CAS:874617-78-4

Formula:C26H18N4O7S2.2Na

2-Naphthalenesulfonic acid, 6-hydroxy-5-[[4-[(2-sulfophenyl)azo]-1-naphthalenyl]azo]-, disodium salt

CAS:874617-86-4

Formula:C26H18N4O7S2.2Na

1-Naphthalenesulfonic acid, 4-hydroxy-3-[[4-[(3-sulfophenyl)azo]-1-naphthalenyl]azo]-, disodium salt

CAS:874618-00-5

Formula:C26H18N4O7S2.2Na

2-Naphthalenesulfonic acid, 6-hydroxy-5-[[4-[(3-sulfophenyl)azo]-1-naphthalenyl]azo]-, disodium salt

CAS:874618-07-2

Formula:C26H18N4O7S2.2Na

1-Naphthalenesulfonic acid, 4-hydroxy-3-[[4-[(4-sulfophenyl)azo]-1-naphthalenyl]azo]-, disodium salt

CAS:874618-41-4

Formula:C26H18N4O7S2.2Na

3-Hydroxy-4-[[4-(phenylazo)-1-naphthalenyl]azo]naphthalene-2,7-disulfonic acid disodium salt

CAS:6226-82-0

Formula:C26H18N4O7S2.2Na