12715-61-6 56780-57-5 C.I. ACID YELLOW 151 CCRIS 769 Cobaltate(2-), bis(2-((5-(aminosulfonyl)-2-(hydroxy-kappaO)phenyl)azo-kappaN1)-3-(oxo-kappaO)-N-phenylbutanamidato(2-))-, dihydrogen Cobaltate(2-), bis(2-((5-(aminosulfonyl)-2-hydroxyphenyl)azo)-3-oxo-N-phenylbutanamidato(2-))-, dihydrogen Dihydrogen bis(2-((5-(aminosulphonyl)-2-hydroxyphenyl)azo)-3-oxo-N-phenylbutyramidato(2-))cobaltate(2-) EINECS 235-786-6