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 675426 Simazine, 250mg Price on request 96962 CLP Semi-Volatile PAH LCS Price on request 97294 UCMR 537 Custom Mix 2 Price on request