2-Methylfuran, 1000mg

18ß(H)-Olean-12(13)-ene, neat, Solvent-neat, Unit 2mg, # of units-1, Cas.no. 471-68-1

2-n-Nonylphenol, 100 µg/ml, Acetone, 1ml

N-Nitroso-N-ethylaniline, 100μg/ml in MeOH, 5ml