N-Nitrosodiethylamine, 1000μg/ml in MeOH, 1ml

1,7-Heptanedicarboxylic acid (Azelaic Acid), 250mg

Formaldehyde, 1000µg/ml in MeOH, 1ml

n-Octadecane, ?13C: -30.71, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 593-45-3