13C3-Caffeine, 100 µg/ml, Methanol, 1ml

n-Pentadecane, ?13C: -30.22, 150ug/ml, Solvent-cyclohexane, Unit 1mL, # of units-10, Cas.no. 629-62-9

tert-Butyl methyl ether + blank RFA, 15Wt%, Solvent-neat, Unit 10mL, # of units-2+1, Cas.no. 1634-04-4

Benzo[b]fluoranthene, 10.0 µg/ml, Acetonitrile,