Paraoxon-methyl, 10 µg/ml, Acetonitrile, 10ml

Thiophene/2-Methylthiophene (2:1) in isooctane/Toluene(3:1); Units: 5x1mL ampoules, 1x10mL screw-capped bottle Chiron No. Concentration µgS/g (ppm) Wt.% S-4056-0 Blank 0 S-4056-5 5

4-Chloromethyl-2,2-dimethyl-1,3-dioxolane, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 4362-40-7

4-Chloroaniline