2-Butanone, certified, 1ml

n-Nonadecane, ?13C: -34.60, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 629-92-5

13C3-6:2 Fluorotelomer sulfonamide alkylbetaine (13C3-6:2 FTAB), 50µg/ml in MeOH, 1,2ml

11-OH-delta-9-THC, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no.