CONOSTAN Standard S-21, 500 ppm, 100g

1,4-Dichlorobenzene, 100 µg/ml, Methanol, 5ml

Dibenzo-p-dioxin-d8, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 69699-83-8

17a-Ethinylestradiol, certified, 0.25g