2,2',3,4,5,5'-Hexachlorobiphenyl Back Catalog number: 63141 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 96567 Progesterone Price on request 1942.8-25ML N,O-Bis(trimethylsilyl)acetamide, neat, Solvent-neat, Unit 25mL, # of units-1, Cas.no. 10416-59-8 Price on request 97278 Aliphatic Surrogate Standard Price on request