2-Butanol, certified, 5ml

Chlorthiophos, 100 µg/ml, Ethyl acetate, 5ml

5-Methylbenzothiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 14315-14-1

Pyrene-d10, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 1718-52-1