Chemical Structure	CAT No.	CAS	Item Group	Purity
	C4X-119919	N/A	Impurity
	Simvastatin Impurity 19
	C4X-11992	145576-25-6	Impurity
	Simvastatin EP Impurity B
	C4X-119920	N/A	Impurity
	Simvastatin Impurity 20
	C4X-119921	N/A	Impurity
	Simvastatin Impurity 21
	C4X-119922	N/A	Impurity
	Simvastatin Impurity 22
	C4X-119923	79902-42-4	Impurity
	Simvastatin EP Impurity I
	C4X-119924	774611-54-0	Impurity
	Simvastatin EP Impurity N (Mixture of Diastereomers)
	C4X-119926	N/A	Impurity
	Simvastatin Impurity 26
	C4X-119927	132487-01-5	Impurity
	Simvastatin Impurity 27
	C4X-119929	N/A	Impurity
	Simvastatin impurity 29