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 94541 Internal Standard for AB SIM Price on request 9121.10-100-IO Limonene, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 5989-27-5 Price on request 673547 Dicofol, 10.0 µg/ml, Ethyl acetate, 10ml Price on request