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 680149 2-Butanone, 5ml Price on request 691690 Acetylcedrene, 100mg Price on request 10581.23-10MG (±)-Chlorophacinone-d4 (indanedione-4,5,6,7-d4) Price on request