Etofenprox, 1000ug/mL in methanol,1ml

o-Aminoazotoluene, 100 µg/ml, Acetonitrile, 1ml

Di-n-butyl-carbonate,neat,neat,1g,

Dehydroepiandrosterone (DHEA), 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 53-43-0