Chemical Structure CAT No. CAS Item Group Purity
1S 3R 4R-EntecavirC4X-1077371367369-80-9?free base?Impurity
1S 3R 4R-Entecavir
Entecavir Impurity 41C4X-107741N/AImpurity
Entecavir Impurity 41
Entecavir Impurity 42C4X-107742N/AImpurity
Entecavir Impurity 42
Entecavir Impurity 43C4X-107743N/AImpurity
Entecavir Impurity 43
Entecavir Impurity 44C4X-1077441354715-30-2Impurity
Entecavir Impurity 44
Entecavir Impurity 45C4X-1077453587-60-8Impurity
Entecavir Impurity 45
Entecavir Impurity 46C4X-107746N/AImpurity
Entecavir Impurity 46
Entecavir Impurity 47C4X-107747N/AImpurity
Entecavir Impurity 47
Entecavir Impurity 48C4X-107748N/AImpurity
Entecavir Impurity 48
Entecavir Impurity 49C4X-107749N/AImpurity
Entecavir Impurity 49