ASTM Benzene Amp#2

alpha alpha alpha (24R)-24-Methylcholest-3-ene and alpha alpha alpha (24R)-Ethylcholest-3-ene, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 211423-39-9 / 376372-00-8

3-Hydroxyphenanthrene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 605-87-8

Trifluralin, 10.0 µg/ml, Ethyl acetate, 10ml