Methylparaben, 100 µg/ml, Acetonitrile, 5ml

Atenolol, 100 µg/ml, Acetonitrile, 5ml

Phenol-3,5-d2, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-5, Cas.no. 64045-87-0

Sterigmatocystine, 50µg/mL, Solvent-acetonitrile, Unit 5mL, # of units-1, Cas.no. 10048-13-2