2,2',3,4',5,6,6'-Heptachlorobiphenyl (188) Back Catalog number: 63188 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 72103 Aspartame Price on request 93614 WS Chlorinated Pesticide Amp 1 - Cal Check 2 Price on request 95094 8330Mix B Price on request