Semi-Volatile Standard

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

C23 Tricyclic terpane Y1, neat, Solvent-neat, Unit ca. 5µg, # of units-2, Cas.no.

4-Methylbiphenyl, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 644-08-6