Losartan Impurity 21 CAT No: SZ-L028056 CAS No: 2763750-28-1 Mol.F. : C14H12N4O Mol.Wt. : 252.3 Inv. Status: In Stock Rel. CAT No : SZ-O006053, SZ-T006042, SZ-L028056 CAS No:2763750-28-1 Mol.F.: C14H12N4O Mol.Wt.: 252.3 Inv. Status: In Stock