Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane

Vardenafil-d5 (N-ethyl-d5), 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1189685-70-8

PCB No. 156, 100µg/ml in Isooctane, 1ml

Amitraz, 100µg/mL in Acetonitrile, 1ml