Pyriofenone, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 681811 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 38136 CWA Herbicide Acid Mix #2 Price on request 79075 EPA Method 8330 Analyte Price on request 676671 2-Methoxyethyl acetate, 1ml Price on request