Sub Group: Nucleotides and Nucleosides Alphabetic Listing Catalog Number: 9858 Formula: C12H15N5O3 CAS Number: 142217-69-4 Molecular Weight: 277.28 Synonyms:2-Amino-9-[4-hydroxy-3-(hydroxymethyl)-2-methylidene-cyclopentyl]-3H-purin-6-one Baraclude BMS 200