Paraoxon-methyl, 100 µg/ml, Acetonitrile, 5ml

2-Ethylhexyl-d17 2,3,4,5-tetrabromo[13C6]benzoate, 1.2ml x 50ug/ml, toluene

6-Methylquinoxaline, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no.

Dibenzo[a,i]pyrene[5,8]quinone, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 3302-52-1