Bumetanide,100 µg/mL,MeOH,1mL,

Metoprolol tartrate, neat, Solvent-neat, Unit 250mg, # of units-1, Cas.no. 56392-17-7

N-Nitroso-N-methyl-N-dodecylamine-d5, 2,5mg

Merphos, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 150-50-5