Benzidine Back Catalog number: 79151 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 676880 1,1,1-Trichloroethane, , , 0.5ml Price on request 97386 VPH Primary Calibration Rev 1.1 Price on request 676492 D8-4,4'-DDE, 10mg Price on request