Clarithromycin EP Impurity R CAT No: SZ-C040019 CAS No: 992-62-1 Mol.F. : C36H65NO13 Mol.Wt. : 719.9 Inv. Status: In Stock Rel. CAT No : SZ-E006005, SZ-C040019 CAS No:992-62-1 Mol.F.: C36H65NO13 Mol.Wt.: 719.9 Inv. Status: In Stock