8015AZ Calibration Standard

n-Heneicosane, ?13C: -28.59, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-5, Cas.no. 629-94-7

2,4,4'-Trichloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

Testosterone, 250mg