2,2',3,4,4',5-Hexachlorobiphenyl (137) Back Catalog number: 66137 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9417.17-250MG Venlafaxine hydrochloride,neat,neat,250mg Price on request 684450 N-Acetyl-S-benzyl-L-cysteine, 100mg Price on request 675724 Mecarbam, 10 µg/ml, Ethyl acetate, 10ml Price on request