4-tert-Octylphenol, 1000µg/ml in Isooctane, 1ml

Perfluoro-n-[1,2,3,4,6-13C5]hexanoic acid, 1.2ml x 50ug/ml, methanol

5-Nitrobenzo[c]phenanthrene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 64356-30-5

17?-Methyltestosterone