Perfluoro-n-hexadecanoic acid, 50µg/ml in MeOH, 1,2ml

n-Heneicosane, ?13C: -28.59, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 629-94-7

Guanylurea, 100µg/ml in Acetonitrile, 5ml

d2 C20 Triaromatic Sterane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 205529-79-9