2,4,5-Tribromobiphenyl, 1.2ml x 50ug/ml, nonane

2-Nitroanthracene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 3586-69-4

WHO PCB Extraction Standard, 100pg/µl in nonane, 1,2ml

N-Nitroso-diethanolamine, 100μg/ml in MeOH, 5ml