2,2’,4,4’,6,6’-Hexachlorobiphenyl (155) Back Catalog number: 66155 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 3655.20-5MG trans-Crocetine, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 27876-94-4 Price on request 59799 Arsenic (As) Price on request 52256 Transition Metals Starter Kit Price on request