CAS 536-45-8 appears in our catalog under these names: Sodium 4-Methoxybenzoate, >95% (HPLC), 4-Methoxybenzoic acid sodium, Sodium 4-Methoxybenzoate, 99%, 99%. Offered by: TRC, Biosynth, Chemat. Available pack sizes: 1g, 500mg, 5g, 0,25kg, 0,5kg, 1kg, 2kg, 5kg.