CAS 24723-77-1 appears in our catalog under these names: Regadenoson Impurity 8, (3R,4S,5R)-2-(6-Amino-2-methoxy-9H-purin-9-yl)-5-(hydroxymethyl)tetrahydrofuran-3,4-diol, Spongosine/ 96.66% (existing batch purity), (2R,3R,4S,5R)-2-(6-Amino-2-methoxy-9H-purin-9-yl)-5-(hydroxymethyl)tetrahydrofuran-3,4-diol, Spongosine, 95.43%. Offered by: Chemat Brand, TRC, TargetMol, Chemat, MedChemExpress. Available pack sizes: on request, 1g, 1mg, 5mg, 10mg, 25mg, 50mg, 100mg.