Isoprocarb, 100 µg/ml, Acetonitrile, 5ml

n-Dodecane, ?13C: -32.54, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-5, Cas.no. 112-40-3

Iohexol, 100µg/ml in MeOH, 1ml

Endosulfan (alpha + beta), 10µg/mL in IO, 10ml