2,4,4',6-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL,

3,3',5,5'-Tetrabromobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 16400-50-3

17alpha-Estradiol-2,4-d2,neat,neat,10mg,

2-Nitrofluorene-d9, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 128008-87-7