CAS 1219578-35-4 appears in our catalog under these names: [3-(3,4-Dimethoxyphenyl)-6-oxopyridazin-1(6h)-yl]acetic acid, 95%, (3-(3,4-DImethoxyphenyl)-6-oxopyridazin-1(6h)-yl)acetic acid, 98%. Offered by: Combi-blocks, AmBeed. Available pack sizes: 1g, 5g.