Benzidine-d8 Back Catalog number: 72071 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673368 Isofenphos-oxon, 10 µg/ml, Acetonitrile, 10ml Price on request 32411 Tetrachloroethene Price on request 678148 Sulprofos, 100 µg/ml, Acetonitrile, 5ml Price on request