Methamidophos, 100μg/mL in Acetonitrile, 1ml

Dibenzo[cd,n]naphtho[3,2,1,8-pqra]perylene, neat, Solvent-neat, Unit 1mg, # of units-1, Cas.no. 109278-09-3

2,2',4,5-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL,

4,5-Dichloroaniline-2-sulfonic Acid, 25g