Mass-Labelled PCB Sampling Standard, 1.2ml, nonane

a,2,6-Trichlorotoluene

2,2,3,3,4,4,5-Heptachlorobiphenyl,170

d4 Pregnane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 205529-77-7