![](//www.lookchem.com/300w/2010/0713/83006-60-4.jpg)
-
sodium 3-[(1-hydroxy-2-naphthyl)azo]benzenesulphonate
CAS:83006-60-4
Formula:C16H12N2O4S.Na
![](//file1.lookchem.com/300w/substances/2022-04-25-05/766c34e6-0cdd-46df-8578-32150a111a99.png)
-
Benzenesulfonic acid, 4-[(2-oxo-1(2H)-naphthalenylidene)hydrazino]-,
monosodium salt
CAS:84875-74-1
Formula:C16H12N2O4S.Na
![](//file1.lookchem.com/300w/substances/2022-05-20-03/1feb2434-f6ac-48d5-928b-77345c90ff7b.png)
-
2-Naphthalenesulfonic acid, 5,6-dihydro-6-oxo-5-(phenylhydrazono)-,
monosodium salt
CAS:214674-76-7
Formula:C16H12N2O4S.Na
![](//www.lookchem.com/300w/2010/0710/642-24-0.jpg)
-
(6E)-5-oxo-6-(phenylhydrazono)-5,6-dihydronaphthalene-1-sulfonic acid
CAS:642-24-0
Formula:C16H12N2O4S.Na
![](//file1.lookchem.com/300w/substances/2022-03-30-09/485e95c1-b25f-435d-b1e3-bd73e9d24538.png)
-
Benzenesulfonic acid, 3-[(4-hydroxy-1-naphthalenyl)azo]-, monosodium
salt
CAS:70483-96-4
Formula:C16H12N2O4S.Na
![](//file1.lookchem.com/300w/substances/2022-02-22-08/5d9783ad-10ed-4af8-a616-4320e68cab40.png)
-
Benzenesulfonic acid, 4-[(4-hydroxy-1-naphthalenyl)azo]-, monosodium
salt, (E)-
CAS:113402-22-5
Formula:C16H12N2O4S.Na
![](//www.lookchem.com/300w/casimage/2011-02-22-17/138710-33-5.gif)
-
Benzenesulfonic acid, 4-[(4-oxo-1(4H)-naphthalenylidene)hydrazino]-,
monosodium salt, (E)-
CAS:138710-33-5
Formula:C16H12N2O4S.Na
![](//www.lookchem.com/300w/casimage/2011-02-23-06/588709-12-0.gif)
-
2-Naphthalenesulfonic acid, 3,4-dihydro-4-oxo-3-(phenylhydrazono)-,
monosodium salt
CAS:588709-12-0
Formula:C16H12N2O4S.Na