Chemical Structure	CAT No.	CAS	Item Group	Purity
	C4X-105243	N/A	Impurity
	Sofosbuvir Impurity 43
	C4X-105244	N/A	Impurity
	"(R)-(((2S,3S,4S,5S)-D-Sofosbuvir Isomer"
	C4X-105245	1496552-51-2	Impurity
	Sofosbuvir Ph.Int Impurity B(Chloro Sofosbuvir)
	C4X-105246	874638-80-9	Impurity
	Sofosbuvir Impurity 46
	C4X-105247	N/A	Impurity
	Sofosbuvir Impurity 47
	C4X-105248	1337482-17-3	Impurity
	Sofosbuvir Impurity 48
	C4X-105249	1337482-15-1	Impurity
	"(S)-(((2R,3R,4R,5R)-L-Sofosbuvir Isomer"
	C4X-10525	N/A	Impurity
	Sofosbuvir Impurity 5
	C4X-105250	1015073-43-4	Impurity
	Sofosbuvir Impurity 50
	C4X-105251	1233335-78-8	Impurity
	Sofosbuvir Impurity 51