(-)-Captopril,1000 µg/mL,MeOH,1mL,

ISO 15680 Stock Internal Standard Solution 4 Analytes, each 2000µg/mL in methanol; unit: 1x5mL 2017.6 Fluorobenzene [462-06-6] 3942.6 1,4-Difluorobenzene [540-36-3] 3943.6Monochlorobenzene-d5 [3114-55-4] 1957.6

Diisobutyl phthalate, 100 µg/ml, Acetone, 5ml

alpha-Toluenethiol, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 100-53-8