CAS 1393330-38-5 appears in our catalog under these names: Bromo–PEG4–acid, Bromo-PEG4-acid 97%, Bromo-PEG4-acid, 98.0%, Bromo-PEG4-acid, 98%, 98%, 1-Bromo-3,6,9,12-tetraoxapentadecan-15-oic acid, 97%. Offered by: GLPBio, Ambeed, MedChemExpress, Chemat, Fluorochem. Available pack sizes: 100mg, 500mg, 250mg, 1g, 5g, 1 g, 500 mg, 5 g.