Chemical Structure	CAT No.	CAS	Item Group	Purity
	C4X-181041	59828-07-8	Impurity
	Procaterol impurity 41
	C4X-181042	62910-96-7	Impurity
	Procaterol impurity 42
	C4X-181043	N/A	Impurity
	Nitrosamine Procaterol Impurity 43 HCI
	C4X-181044	N/A	Impurity
	Procaterol Impurity 44
	C4X-181045	N/A	Impurity
	Procaterol Impurity 45
	C4X-18105	N/A	Impurity
	Procaterol Impurity 5
	C4X-18106	N/A	Impurity
	Procaterol Impurity 6
	C4X-18107	72332-33-3	Impurity
	Procaterol Impurity 7 (Enantiomer Mixture)
	C4X-18108	N/A	Impurity
	Procaterol Impurity 8
	C4X-18109	N/A	Impurity
	Procaterol Impurity 9