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 71140 Pentafluorophenylhydrazine Price on request S-4373-K-5IP EPA 8041A Surrogate Standard PFB-derivatives S-4373 1mg/mL in isopropanol, 1 mL, 5 x 1mL, 5mL 2,4-Dibromophenol-PFB Price on request 1939.6-1MLX5 1-(Trimethylsilyl)imidazole, neat, Solvent-neat, Unit 1mL, # of units-5, Cas.no. 18156-74-6 Price on request