CAS 34811-27-3 appears in our catalog under these names: 3-(3,4-Dimethoxyphenyl)pentanedioic acid, 95%, 3-(3,4-Dimethoxyphenyl)pentanedioic acid, 97%, 3-(3,4-dimethoxyphenyl)pentanedioic acid, 98%, 3-(3,4-Dimethoxyphenyl)pentanedioic acid, 98%, 98%. Offered by: Combi-blocks, AmBeed, Fluorochem, Chemat. Available pack sizes: 1g, 5g, 100mg, 250mg.