2-(Trifluormethyl)-benzamide, 100µg/ml in AL, 5ml

Norcodeine hydrochloride, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 14648-14-7

Custom nitrosamine-control mix 7 components, each 500µg/mL in acetonitrile 9666.4-K-AN N- Nitrosodiethanolamine 1116-54-7 NDELA 9004.2-2K-DC N-Nitrosodimethylamine 62-75-9 NDMA 9006.4-2K-DC N-Nitrosodiethylamie

Sulfachloropyridazine, 100 µg/ml, Acetonitrile,