epsilon-HCH, 10.0 µg/ml, Cyclohexane, 1ml

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

2-Methyldiphenylsulfide, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 13963-35-4

Piperacillin Sodium Salt