CAS 2224-52-4 appears in our catalog under these names: (S)-4-Methyl-2,5-oxazolidinedione, (S)-4-Methyloxazolidine-2,5-dione 95%, (S)-4-Methyl-oxazolidine-2,5-dione, 95%, (S)-4-Methyloxazolidine-2,5-dione, 95%, 95%, N-Carboxyalanine Anhydride. Offered by: Biosynth, Ambeed, Fluorochem, Chemat, TRC. Available pack sizes: 0,005kg, 0,01kg, 0,025kg, 0,05kg, 0,1kg, 250mg, 1g, 5g.