d4 C27 alpha alpha alpha (20R)-Cholestane, 100µg/mL in Isooctane, 1ml

2-Fluorodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 124330-20-7

Chlorpyrifos-methyl-desmethyl TMA salt, 100 µg/ml,

Metazachlor, 100mg