Dichloroacetic acid, 100 µg/ml, Acetonitrile, 1m

EPA Method 8150 - Methyl Derivatives

n-Perfluoroheptanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 375-85-9

Tramadol-d6 hydrochloride, 100µg base/mL, Solvent-methanol, Unit 1mL, # of units-5, Cas.no.