CAS 35803-42-0 appears in our catalog under these names: Uridine-2-13C, >95% (HPLC), Uridine-2-13C, 99 atom % 13C, min 98% Chemical Purity, Uridine-2-13C, Uridine 13C-4. Offered by: TRC, CDN, Biosynth, MedChemExpress. Available pack sizes: 0,5mg, 1mg, 5mg, 0,05g, 50mg, 25mg, 100mg, 5 mg.