Benzidine-d8 Back Catalog number: 72071 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678379 2,4'-DDE, 100 µg/ml, Acetonitrile, 5ml Price on request 93262 Alcohol Standard Price on request PCB-SS-A20 Mass-Labelled PCB Solution , 1.2ml x 20ng/ml, nonane Price on request