Atenolol, 100 µg/ml, Methanol, 1ml

Allethrin, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 584-79-2

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

Benzo(e)pyrene,1000µg/ml in methylene chloride,1ml