Benzidine Back Catalog number: 70027 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8799.12-100-IO 2,2',3,3',4',5,6-Heptachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 52663-70-4 Price on request 679308 Dimethyldioctadecylammonium chloride, 25mg Price on request 1319.16-100-T 3-Fluorofluoranthene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 1691-66-3 Price on request