Multi-Element Internal Standard

Aripiprazole-d8 (butyl-d8), 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no.

Fensulfothion Sulfone, 50mg

1,2,7,8-Tetrachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene