CAS 1308789-62-9 appears in our catalog under these names: 1-(4-(((2-Amino-9H-purin-6-yl)oxy)methyl)benzyl)-3-(2-(2-(2-(2-aminoethoxy)ethoxy)ethoxy)ethyl)urea, 95%, 95%, BG-PEG-NH2. Offered by: Chemat, MedChemExpress. Available pack sizes: 100mg, 250mg, 1g, Get quote.