CAS 25104-18-1 appears in our catalog under these names: Poly–(L–lysine), Lysine homopolymer, Poly-(L-lysine) 95%, Poly-L-lysine, Mw:1000-1500, Mw:1000-1500, L-Lysine polymer, MW:5000. Offered by: GLPBio, Biosynth, Ambeed, Fluorochem. Available pack sizes: 100g, 25g, 500g, 1g, 2g, 5g, 10g, 1000g.