Nomenclature
CAS number: 485-41-6
3,5-Diamino-2-[[4-(aminosulfonyl)phenyl]azo]benzoic acid; 3,5-diamino-2-[
p-(sulfamoylphenyl)azo]benzoic acid; carboxysulfamidochrysoidine; Azo Compd No. 4; Rubiazol (Hoechst).
C
13H
13N
5O
4S; mol wt 335.34.
C 46.56%, H 3.91%, N 20.88%, O 19.08%, S 9.56%.