CAS 6641-32-3 appears in our catalog under these names: 4,5-Dichloropyridazine-3,6-diol, 4,5-Dichloropyridazine-3,6-diol 97%, 4,5-Dichloropyridazine-3,6-diol, 97%, 97%, 4,5-Dichloropyridazine-3,6-diol, 95%. Offered by: Biosynth, Ambeed, Chemat, Fluorochem. Available pack sizes: 10g, 1g, 5g, 25g, 50g, 250mg.