Cat. Name CAS. Structure Purity
M036733 Benzenesulfonic acid, 5-chloro-2-1-(2-chlorophenyl 163879-73-0 Benzenesulfonic acid, 5-chloro-2-1-(2-chlorophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-ylazo-4- ≥ 95%