2,3,4,4',5,6-Hexachlorobiphenyl (166) Back Catalog number: 66166 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675959 1-(3,4-Dichlorophenyl)urea, 10 µg/ml, Acetonitril Price on request 676302 2-Fluorofluorene, 10 µg/ml, Cyclohexane, 10ml Price on request 95239 EPA Method 8260B Additionals #2 Price on request