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4-Amino-5-hydroxy-2,7-naphthalenedisulfonic acid

CAS NO.: 8011-86-7

Purity :100%

2,7-Naphthalenedisulfonic acid, 4-amino-3-[2-[4-[[4-[2-(2-amino-4-hydroxyphenyl)diazenyl]phenyl]amino]-3-sulfophenyl]diazenyl]-5-hydroxy-6-(2-phenyldiazenyl)-, trisodium salt

CAS NO.: 85631-88-5

Purity :100%

sodium,(6Z)-4-amino-3-[[4-[[4-[(2,4-diaminophenyl)diazenyl]phenyl]sulfonylamino]phenyl]diazenyl]-5-oxo-6-(phenylhydrazinylidene)naphthalene-2,7-disulfonate

CAS NO.: 157577-99-6

Purity :98%

neuter black M-RL / acid black SRL / acid black 194

CAS NO.: 61931-02-0

Purity :100%

Acid Fast Yellow G

CAS NO.: 6359-98-4

Purity :100%