Pyrifenox, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 678496 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 678278 Chlorthiophos, 100 µg/ml, Acetonitrile, 5ml Price on request 679836 Tris-(2-butoxyethyl)phosphate, 100 µg/ml, Methano Price on request 678966 Pyrene, 50mg Price on request