Tetramethrin, 100 µg/ml, Acetonitrile, 1ml

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

Cortisol, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 50-23-7

3,4,5,11-Tetrahydroacenaphthene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 26761-12-6