[13C5]Xylitol, 10mg

Chlorpyrifos-methyl-desmethyl TMA salt, 100 µg/ml,

EPA Method 1666Labeled Standard

1H,1H,2H,2H-Perfluoro-7-methyloctan-1-ol , 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 20015-46-7