CAS 956496-54-1 appears in our catalog under these names: NH2-PEG-NH2 (MW 1000), NH2-PEG-NH2 (MW 5000), 96.0%, NH2-PEG-NH2 (MW 2000), 98.0%, NH2-PEG-NH2 average Mw10000, 97% average Mw10000, NH2-PEG-NH2 average Mw400, 97% average Mw400. Offered by: MedChemExpress, Ambeed, BLDpharm, Chemat, Fluorochem. Available pack sizes: Get quote, 1 g, 500 mg, 250 mg, 250mg, 1g, 5g, 10g.