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 0237.24-200-T Dibenzo[e,l]pyrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 192-51-8 Price on request 30741 3-Hydroxycarbofuran Price on request 10632.12-50-T 2,3,4,7,8-Pentabromodibenzofuran Price on request