Alprazolam, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 28981-97-7

n-Hexatriacontane, ?13C: -26.15, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 630-06-8

Mevinphos, 100 µg/ml, Acetonitrile, 1ml

o-Xylene, 100µg/mL in MeOH, 1ml