Trimethoprim, certified, 0.25g

Metoprolol-d7 hydrochloride (isopropyl-d7), neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 1219798-61-4

Tri-iso-butyl phosphate, 100µg/ml in MeOH, 5ml

2,6-Dichlorosyringealdehyde, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 76330-06-8