2,2’,3,4,4’,5’-Hexachlorobiphenyl (138) Back Catalog number: 66138 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 681349 1-Naphthyl acetic acid-ethyl ester, 250mg Price on request 79611 2-Methylanthracene Price on request AC-SE02-030 Ethanol in serum control EtOH SE (0.2g/L), 10x3ml Price on request