(3-((4,5-Dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo)-2-hydroxy-5-nitrobenzenesulphonato(3-))chromium 124565-70-4 50821-21-1 67352-35-6 72845-71-7 Chromate(1-), (2,4-dihydro-4-((2-hydroxy-5-nitro-3-sulfophenyl)azo)-5-methyl-2-phenyl-3H-pyrazol-3-onato(2-))-, hydrogen Chromium, (3-((4,5-dihydro-3-methyl-5-(oxo-kappaO)-1-phenyl-1H-pyrazol-4-yl)azo-kappaN1)-2-(hydroxy-kappaO)-5-nitrobenzenesulfonato(3-))- Chromium, (3-((4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo)-2-hydroxy-5-nitrobenzenesulfonato(3-))- EINECS 266-657-2