2,2’,4,4’-Tetrachlorobiphenyl

Hexyl 2-ethylhexyl phthalate (isomer mixture), neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 75673-16-4 (CAS of single isomer)

2,4,5-Trichlorophenol-PFB derivative

Mass-Labelled PCDD & PCB Internal Standard Solution, 1.2ml, nonane