Mass-Labelled PCB Solution/Mixture , 1.2ml, nonane Back Catalog number: PCB-IS-B20 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 678427 Heptachlor-exo-epoxide, 100 µg/ml, Acetonitrile, Price on request 3409.10-100-CY Fluometuron Price on request 672993 Hydrocortisone 21-acetate, 250mg Price on request