Mono-ethyl phthalate (ring-1,2-13C2,99%, dicarboxyl-13C2,99%) 100 µg/mL in MTBE

D6-N-Nitrosodimethylamine, 100 µg/ml, Acetonitril

Tetramethrin, 100 µg/ml, Acetonitrile, 1ml

n-Hexatriacontane, ?13C: -26.15, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 630-06-8