2,3',4,5'-Tetrachlorobiphenyl,100 µg/mL,isooctane,1mL,

Ethephon-hydroxy, 10mg

Di-n-butyl phthalate-3,4,5,6-d4, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 93952-11-5

n-Eicosane-d42,neat,neat,250mg,