USP 467 calibration standard

Perfluorooctanoic acid, 100µg/mL in Acetonitrile, 1ml

Codeine (free base), 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 76-57-3

4-Bromofluorobenzene, 100 µg/ml, Acetonitrile, 5