1,2,3,7,8,9-Hexachlorodibenzo-p-dioxin Back Catalog number: 10628.12-50-T Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 98430 EPA 8240B Calibration Standard Price on request 673973 4-Nitrophenol, 10.0 µg/ml, Acetonitrile, 10ml Price on request 0484.16-200-T Benzo[b]naphtho[2,3-d]thiophene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 243-46-9 Price on request