CAS 122744-78-9 appears in our catalog under these names: 2-tert-Butoxycarbonylamino-4,5-dimethoxy-benzoic acid, 95%, 2-((tert-Butoxycarbonyl)amino)-4,5-dimethoxybenzoic acid 97%, 2-TERT-BUTOXYCARBONYLAMINO-4,5-DIMETHOXY-BENZOIC ACID, 97%, 97%, 2-tert-Butoxycarbonylamino-4,5-dimethyoxy-benzoic acid, 97%. Offered by: Combi-blocks, Ambeed, Chemat, Fluorochem. Available pack sizes: 1g, 25g, 5g, 250mg.