Dichlorvos, 100µg/mL in Acetonitrile, 1ml

d4 C27 alpha alpha alpha (20R)-Cholestane, 100µg/mL in Isooctane, 1ml

2,2,3,4,5,6,6-Heptachlorobiphenyl,188

n-Tetracosane, ?13C: -26.42, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 646-31-1