2,2',3,3',4,5,6'-Heptachlorobiphenyl (174) Back Catalog number: 66174 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 93927 Semi-Volatile Surrogate Standard Price on request M325896 5-Methyl-N-phenyl-2-1H-pyridone [Pirfenidone],50mg Price on request 3345.7-100-AN Chlorpyrifos-methyl, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 5598-13-0 Price on request