Metazachlor OA, 10.0 µg/ml, Acetonitrile, 10ml

alpha alpha alpha-Trifluorotoluene, Calibration (Surrogate) Standard, 0,0005, Solvent-CDCl3, Unit NMR tube, # of units-1, Cas.no. 98-08-8

Atrazine-desethyl, 100 µg/ml, Acetonitrile, 5ml

d4 C27 alpha alpha alpha (20R)-Cholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 205529-74-4