Phosmet, 100 µg/ml, Toluene, 5ml

Metoprolol tartrate, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 56392-17-7

N-Nitrosodimethylamine-d6, 10mg

Anthracene-d10, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-10, Cas.no. 1719-06-8