CAS 225523-86-4 appears in our catalog under these names: Azido–PEG7–azide, Azido-PEG7-azide 97%, 1,23-Diazido-3,6,9,12,15,18,21-heptaoxatricosane, 98%, 98%, Azido-PEG7-azide, 98.0%, Azido-PEG7-azide, 98%. Offered by: GLPBio, Ambeed, Chemat, MedChemExpress, Fluorochem. Available pack sizes: 100mg, 250mg, 1g, 5g, 10 mg, 5 mg.