Pyrethrins, 10.0 µg/ml, Cyclohexane, 10ml

Terbufos sulfoxide

2,3,3',4,4'-Pentachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 32598-14-4

alpha alpha alpha (20R)-Cholestane, 1000µg/mL in Isooctane, 1ml