CAS 1638956-59-8 appears in our catalog under these names: (2Z)-2-(2,5-Dimethoxybenzylidene)-6-hydroxy-1-benzofuran-3(2h)-one, 95%, (Z)-2-(2,5-Dimethoxybenzylidene)-6-hydroxybenzofuran-3(2H)-one, 97%. Offered by: Combi-blocks, AmBeed. Available pack sizes: 250mg, 1g.