Endosulfan-sulfate, 100 µg/ml, Cyclohexane, 1ml

n-Heneicosane, ?13C: -28.59, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 629-94-7

4-Chloro-3-methylphenol-2,6-d2, 2,5mg

Benzyldimethyloctadecylammonium chloride, 100 µg/m