CAS 2100283-00-7 appears in our catalog under these names: Cbz–PEG2–bromide, Cbz-PEG2-bromide 98%, Benzyl (2-(2-(2-bromoethoxy)ethoxy)ethyl)carbamate, 97%, 97%, Cbz-PEG2-bromide, 99.58%, Benzyl (2-(2-(2-bromoethoxy)ethoxy)ethyl)carbamate, 97%. Offered by: GLPBio, Ambeed, Chemat, MedChemExpress, Fluorochem. Available pack sizes: 100mg, 250mg, 1g, 5g, 10g, 500mg, 250 mg, 5 g.