Pyrazophos, 100 µg/ml, Methanol, 1ml

Perfluoro-n-[1,2,3,4-13C4]butanoic acid, 50µg/ml in MeOH, 1,2ml

Hexadecanal, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 629-80-1

2,2',3,4,4',6,6'-Heptabromodiphenyl ether,50 µg/mL,isooctane,1mL,