Parathion,100 µg/mL,cyclohexane,1mL,

Cumyluron, 100 µg/ml, Acetonitrile, 1ml

Bromomethane, 200µg/ml in MeOH, 1ml

Toluene, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 108-88-3