2,2',3,3',4,4',6-Heptachlorobiphenyl (171) Back Catalog number: 66171 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended VHG-PIANO-PAR-1 PIANO Paraffins Standard, 1ml Price on request 59891 Cations Mix Price on request 90728 BTEX + MTBE Price on request