Chlorthal-dimethyl, 10 µg/ml, Cyclohexane, 10ml

p-Sexiphenyl, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 4499-83-6

Metoprolol, 1000µg/ml in MeOH, 1ml

Surrogate Standard