CAS 4457-67-4 appears in our catalog under these names: 1-Bromo-4-methoxybutane 98%, 1-Bromo-4-methoxybutane, 98%, 1-Bromo-4-methoxybutane, >98.0%(GC), 1-Bromo-4-methoxybutane, 98%, 98%. Offered by: Ambeed, Fluorochem, TCI, Chemat. Available pack sizes: 5g, 25g, 100g, 500g, 1000g, 1g, 10g.