CAS 7481-89-2 appears in our catalog under these names: 2',3'-Dideoxycytidine, 2',3'-Dideoxycytidine, 98+% , 4-Amino-1-((2R,5S)-5-(hydroxymethyl)tetrahydrofuran-2-yl)pyrimidin-2(1H)-one, 96%, Zalcitabine, Zalcitabine, >95% (HPLC). Offered by: Biosynth, Sigma-Aldrich, Thermo Scientific (Alfa Aesar), Fluorochem, Chemat Brand. Available pack sizes: 1000mg, 500mg, 2000mg, 5000mg, 50000mg, 100MG, 250MG, 50mg.