CAS 155026-49-6 appears in our catalog under these names: Z-Val-Val-Nle-diazomethylketone, Z-Val-Val-Nle diazomethyl ketone . Offered by: Creative Peptides, Thermo Scientific (Alfa Aesar), Biosynth, MedChemExpress. Available pack sizes: on request, 50mg, 25mg, 5 mg, 1 mg, 10 mg.