CAS 50428-03-0 appears in our catalog under these names: H–DL–Pra–OH, DL-Propargylglycine, H-DL-Pra-OH 97%, H-DL-Pra-OH 98%, 2-Aminopent-4-ynoic acid, 98%, 98%. Offered by: GLPBio, Biosynth, Ambeed, Chemat, MedChemExpress. Available pack sizes: 1g, 5g, 0,5g, 2g, 10g, 25g, 250mg, 100g.