Difenoxuron, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 676765 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 70030 Benzo(a)pyrene Price on request 71739 Benzo(a)pyrene-d12 Price on request 673191 Aldicarb-sulfone, 100 µg/ml, Acetonitrile, 5ml Price on request