Mass-Labelled PCB Extraction Standards, 1.2ml, nonane

Benzo[a]pyrene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 50-32-8

Iomeprol-d3, 1mg

3-Phenylpropionic acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 501-52-0