Perfluoro-1-[13C8]octanesulfonamide, 50µg/ml in Isopropanol, 1,2ml

2',3,4',5,5'-Pentachloro-4-[13C12]biphenylol, 1.2ml x 50ug/ml, toluene

trans-1,3-Dimethylcyclopentane, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 1759-58-6

2,3,3’,4,4’,5’-Hexachlorobiphenyl (157)