CAS 1056969-61-9 appears in our catalog under these names: Bromo–PEG7–azide, Bromo-PEG7-azide 97%, 1-Azido-23-bromo-3,6,9,12,15,18,21-heptaoxatricosane, 97%, 97%, Bromo-PEG7-azide, 97.0%, Bromo-PEG7-azide, 98%. Offered by: GLPBio, Ambeed, Chemat, MedChemExpress, Fluorochem. Available pack sizes: 1g, 250mg, 500mg, 5g, 100mg, 25 mg, 100 mg, 50 mg.