CAS 25805-17-8 appears in our catalog under these names: Me-PEtOx(50)-N3, Me-PEtOx(100)-N3, Me-PEtOx(50)-NH2*HCl, Me-PEtOx(100)-NH2*HCl, HOOC-PEtOx(50)-N3. Offered by: Iris Biotech, Thermo Scientific (Alfa Aesar), Ambeed, Sigma-Aldrich. Available pack sizes: on request, 1g, 250mg, 100g, 500g, 2.5kg, 25g.