Atrazine-desethyl 100 µg/mL in Acetonitrile, 1ml

n-Nonadecane-d40, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 39756-36-0

Disulfoton-sulfoxide, 10µg/mL in Cyclohexane, 10ml

Boron (B)