N-Nitroso-di-n-butylamine, 100mg

Norcodeine hydrochloride, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 14648-14-7

Nicotinic acid, 1000µg/mL, Solvent-water, Unit 1mL, # of units-1, Cas.no. 59-67-6

Benzo[a]pyrene, 10.0 µg/ml, Acetonitrile, 10ml