2,2’,3,4’,5,5’,6-Heptachlorobiphenyl (187) Back Catalog number: 66187 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 73320 (+)-3-Carene Price on request 98311 Denatured Fuel Ethanol Calibration Level 4 Price on request 90949 Methylene chloride-d2 Price on request