Pyriofenone, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 681811 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 50651 6020Low Intermediate Standard - Parent Price on request 32531 p-Xylene Price on request 59828 Metals Mix #1 High Conc. Price on request