3,4,5-Trifluoro-4'-(trans-4-propylcyclohexyl)biphenyl, >98%, 1g

n-Tricosane, ?13C: -26.71, 150ug/ml, Solvent-cyclohexane, Unit 1mL, # of units-10, Cas.no. 638-67-5

Toxaphene Congeners (Parlar 26, 50 and 62), 2µg/ml in Nonane, 1,2ml

Mass-Labelled PCB Extraction Standards, 1.2ml, nonane