# Product Name Chemical Name CAS No.
81

P.N.A.

4 NITRO ANILINE

 100-01-6
82

ACETYL BRONNER'S ACID

2 NAPHTHYL ACETYL AMINO 6 SULPHONIC ACID

 68189-32-2
83

SCHEFFER'S ACID

 93-01-6
84

O.T.4.S.A.

2 AMINO TOLUNE 4 SULPHONIC ACID

 618-03-01
85

SULPHANILIC ACID

1 AMINO BENZENE 4 SULPHONIC ACID

 121-57-3
86

6 ACETYL AMINO OAPSA

6 ACETYL AMINO 2 AMINO PHENOL 4 SULPHONIC ACID
or
3-ACETAMIDO-2-HYDROXYANILINE-5-SULFONIC ACID

 40306-75-0
87

-

4-AMINOAZOBENZENE-4'SULFONIC ACID

 104-23-4
88

-

2-AMINO-4-CHLOROPHENOL

 95-85-2
89

-

2-AMINO-6-CHLOROPHENOL-4- SULFONIC ACID

 5857-94-3
90

-

4-AMINO-1- NAPHTHALENESULFONIC ACID

 84-86-6