2,3',4,4',5',6-Hexachlorobiphenyl (168) Back Catalog number: 66168 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71048 2-Methylanthracene Price on request 681360 (R)-(+)-Limonene, 250mg Price on request 52052 Mixed Calibration Kit Price on request