2,2’,3,3’,4,4’-Hexachlorobiphenyl (128) Back Catalog number: 66128 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11637.20-100MG n-Butyl n-octyl phthalate, techn.,neat,neat,10mg, Price on request 676231 Chlorfenvinphos, 100 µg/ml, Cyclohexane, 1ml Price on request 79427 n-Octatriacontane Price on request