Chemical Structure	CAT No.	CAS	Item Group	Purity
	C4X-112817	139755-82-1	Impurity
	Sildenafil EP Impurity F (N-Desmethyl Sildenafil)
	C4X-112818	139755-91-2	Impurity
	Sildenafil EP Impurity C
	C4X-112819	1346602-67-2	Impurity
	Sildenafil EP Impurity G
	C4X-11282	332374-42-2	Impurity
	Sildenafil Impurity 2
	C4X-112820	1357931-55-5	Impurity
	Sildenafil EP Impurity D
	C4X-112821	268204-00-8	Impurity
	Sildenafil Impurity 21
	C4X-112822	N/A	Impurity
	Sildenafil Impurity 22 HCl
	C4X-112823	200575-15-1	Impurity
	Sildenafil Impurity 23
	C4X-1128242	2146091-79-2	Impurity
	Sildenafil Impurity42
	C4X-1128243	247584-10-7	Impurity
	Sildenafil Impurity 243