Halfenprox, 10.0 µg/ml, Acetonitrile, 10ml

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

Chlormequat-1,1,2,2-d4 chloride, 1000µg/ml in MeOH, 1ml

ISTD/Surrogate Standard