Metoprolol Tartrate, >98%, 5g Back Catalog number: M2555 Availability: In the manufacturer's stock Price on request - + Recommended 675851 Pyridaphenthion, 10.0 µg/ml, Ethyl acetate, 10ml Price on request 30106 EPA Method 552.2 - Methyl Haloacetic Acids Price on request T-PFOS Potassium perfluorooctanesulfonate (Technical Grade), 1.2ml x 50ug/ml, methanol Price on request