PCB No. 156, 100µg/ml in Isooctane, 1ml

trans-1,4-Dimethylcyclohexane, 1000µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 2207-04-7

(24R)-24-Ethylcholest-8(14)-ene, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 108881-85-2

17a-Ethinylestradiol, certified, 0.25g