2-amino-9-((1R,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-1H-purin-6(9H)-one (Entecavir Impurity)| ChemScene Price Not Available 25mg 2-amino-9-((1R,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-1H-purin-6(9H)-one (Entecavir Impurity)| ChemScene Supplier Page Trivial name 2-amino-9-((1R,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-1H-purin-6(9H)-one (Entecavir Impurity) Catalog Number CS-0166082 Alternative Name(s) Entecavir Impurity A Molecular Formula 277.28 CAS# 1367369-78-5 Purity >98% Condensed Formula C12H15N5O3 Size 25mg Supplier Page www.chemscene.com/1367369-78-5.html