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 677884 1-Undecene, 100mg Price on request 93262 Alcohol Standard Price on request 679424 13C6-Oxyclozanide, 10mg Price on request