Mass-Labelled PCB Extraction Standards, 1.2ml, nonane

2,2',3,3',5,5',6,6'-Octachlorobiphenyl (202)

d,l-Methadone

2,4,4'-Tribromodiphenyl ether, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 41318-75-6