Mass-Labelled PCB Solution , 1.2ml x 20ng/ml, nonane Back Catalog number: PCB-SS-A20 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 680247 Ethiprole-sulfone, 100 µg/ml, Acetonitrile, 1ml Price on request 681397 Flufenoxuron, 100mg Price on request 676576 Propazine, 250mg Price on request