Mass-Labelled PCB Solution/Mixture , 1.2ml, nonane Back Catalog number: PCB-IS-B20 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 679905 Acetochlor, 100 µg/ml, Acetone, 1ml Price on request 79438 o-Chlorobenzylidenemalononitrile Price on request 681699 Tribufos, 100mg Price on request