CAS 21028-20-6 appears in our catalog under these names: 3-Methyl cytidine methosulfate, 95%, 3-Methyl Cytidine Methosulfate, >95% (HPLC), 3–Methylcytidine (methosulfate), N3-Methylcytidine methosulfate, 3-Methyl Cytidine Methosulfate, 98%, 98%. Offered by: Combi-blocks, TRC, GLPBio, Biosynth, Chemat. Available pack sizes: 100mg, 250mg, 25mg, 500mg, 10mg, 50mg, 1000mg, 5mg.