2',3,4,4',5-Pentachlorobiphenyl (123) Back Catalog number: 66123 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 93089 Chlorinated Pesticides & PCB,10ug/ml in IO:TO, 1ml Price on request 675818 Terbumeton, 10.0 µg/ml, Methanol, 10ml Price on request 50627 Nitrite (NO2-) as N Price on request