2',3,4,4',5-Pentachlorobiphenyl (123) Back Catalog number: 66123 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-248-S 2,4,8-Trichlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request 10884.18-10MG Estrone-16,16-d2,neat,neat,10mg, Price on request 673523 Deltamethrin, 10.0 µg/ml, Ethyl acetate, 10ml Price on request