2,2',3,3',4,5,6'-Heptachlorobiphenyl (174) Back Catalog number: 63174 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2714.15-100-IO 2,4-Dimethylbenzo[h]quinoline, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 605-67-4 Price on request 95592 Internal Standard Price on request 2780.9-100-AN Ethion Price on request