Photoresist Chemicals Disodium (5-chloro-3-((4,5-dihydro-3-methyl-5-oxo-1-(3-sulphophenyl)-1H-pyrazol-4-yl)azo)-2-hydroxybenzene-1-sulphonato(4-))chromate(2-) Cas:85896-37-3 Molecular Formula: