Fentanyl impurity A, 25mg

n-Heptane, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 142-82-5

Chlorobenzene, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 108-90-7

Desmethylmirtazapine hydrochloride,100 µg base/mL,acetonitrile,1mL