Tris(4-isopropylphenyl) phosphate, 1.2ml x 50ug/ml, toluene

Benzo(e)pyrene,2000µg/ml in methylene chloride,1ml

24-Ethylcholest-5-en-3ß-ol, 100µg/mL, Solvent-n-hexane, Unit 1mL, # of units-1, Cas.no. 83-46-5

alpha alpha alpha (20S)-Cholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 41083-75-4