Rizatriptan EP Impurity B CAT No: SZ-R002039 CAS No: NA Mol.F. : C28H32N9 Mol.Wt. : 494.6 Inv. Status: In Stock Rel. CAT No : SZ-R002003, SZ-R002039 CAS No:NA Mol.F.: C28H32N9 Mol.Wt.: 494.6 Inv. Status: In Stock