2,2',3,4',5,6,6'-Heptachlorobiphenyl (188) Back Catalog number: 66188 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 56138 Strontium (Sr) Price on request 53028 Spike Sample Standard 1 Price on request MA9066 100% NaCl conductivity solution (230mL) Price on request