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 50756 Spiking Standard #2 Price on request CYA Cyanuric Acid, 1.2ml x 100ug/ml, water Price on request 15424.6-100MG Hexanoic-d11 acid, 100mg Price on request