2,2’,3,3’,4,4’-Hexachlorobiphenyl (128) Back Catalog number: 63128 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3774.8-K-IO 2-Ethyl-3,5-dimethylpyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. 13925-07-0 Price on request 673612 Fonofos, 100 µg/ml, Ethyl acetate, 5ml Price on request 66054 2,2’,6,6’-Tetrachlorobiphenyl (54) Price on request