Acenaphthylene, 100 µg/ml, Cyclohexane, 1ml

epsilon-HCH (BHC), 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 6108-10-7

5ß(H)-Cholestan-3 alpha-ol, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 516-92-7

N-Nitroso-L-proline