Custom PAH Mix, 6 anal., in MeOH, 4,5ml Certan

Vardenafil-d5 (N-ethyl-d5), 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1189685-70-8

Etrimfos, 100 µg/ml, Acetonitrile, 5ml

Caffeine-d9 (1,3,7-trimethyl-d9),neat,neat,10mg