Caffeine, 100µg/ml in MeOH, 1ml

Perdeuterated Internal Standard - PAH-Mixture 1 4 Analytes, each 2000 µg/mL in toluene; units:1x1mL, 1x5mL Compounds Window 0978.10 Naphthalene-d8 1 [1146-65-2] 1086.12 Biphenyl-d10 2 [148

Metformin-d6 Hydrochloride, 1mg

4-Aminobiphenyl-d9, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-10, Cas.no. 344298-96-0