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 684529 Imicyafos, 25mg Price on request 73320 (+)-3-Carene Price on request 57114 Silicon (Si) Price on request