Carfentrazone (free acid), 10mg

n-Undecane, ?13C: -26.11, 150ug/ml, Solvent-cyclohexane, Unit 1mL, # of units-10, Cas.no. 1120-21-4

Acenaphthylene-d8, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 93951-97-4

PCB No. 2, 100µg/ml in Isooctane, 1ml