Chemical Structure	CAT No.	CAS	Item Group	Purity
	C4X-105233	N/A	Impurity
	Sofosbuvir Impurity 33
	C4X-105234	N/A	Impurity
	Sofosbuvir Impurity 34
	C4X-105235	N/A	Impurity
	"(S)-(((2R,3S,4R,5R)-L-Sofosbuvir Isomer"
	C4X-105236	N/A	Impurity
	"(R)-(((2R,3S,4R,5R)-D-Sofosbuvir Isomer"
	C4X-105237	N/A	Impurity
	"(S)-(((2R,3S,4R,5S)-L-Sofosbuvir Isomer"
	C4X-105239	1496551-91-7	Impurity
	Sofosbuvir Impurity 39
	C4X-10524	874638-94-5	Impurity
	Sofosbuvir Impurity 4
	C4X-105241	N/A	Impurity
	"(2R,3R,4S,5S)-D-Sofosbuvir Isomer"
	C4X-105242	N/A	Impurity
	Sofosbuvir Impurity 42
	C4X-105243	N/A	Impurity
	Sofosbuvir Impurity 43