CAS 19431-21-1 appears in our catalog under these names: H–Lys–Lys–Lys–Lys–Lys–OH, L-Lysyl-L-lysyl-L-lysyl-L-lysyl-L-lysine, Penta lysine. Offered by: GLPBio, Biosynth, MedChemExpress. Available pack sizes: 250mg, 50mg, 5mg, 10mg, 25mg, 100mg, Get quote.