Additional Internal Standard Solution, 1.2ml, toluene

Cimetidine (free base), neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 51481-61-9

4,4'-Dibromobenzophenone, 100 µg/ml, Acetonitrile

GC-IRMS Standards (C11(?13C: -26.11); C15 (?13C: -30.22); C20 (?13C: -33.06)), 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-10, Cas.no.