Esfenvalerate, 100 µg/ml, Acetonitrile, 5ml

n-Heptadecane-d36, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 39756-35-9

1,4-Dibromobenzene, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 106-37-6

17 alpha(H),21ß(H)-(22RS)-Pentakishomohopane , neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 54370-82-0