Specifications include, but are not limited to: Complete AB SCIEX LC/MS/MS 4500 system including the following minimum requirements: Front end HPLC/UHPLC with capability of adding multiple solvent selection valve and multiple column selection valve Source capable of accepting flow rates of 5 uL/min to 3 mL/min Triple quadrupole mass spectrometer with mass range of 5-2000, scan speeds up to 12000 Da/sec, 50 msec polarity switching, dynamic range of 5 orders of magnitude and mass stability of 0.1 Da over 24 hours at normal operating temperatures Scan Types: Full scan MS, SIM scan, Product Ion Scan, Precursor Ion Scan, MRM and scheduled MRM Source with desolvation/turbo gas that is user selectable from ambient to 750 degrees Celsius and 0 to 90 psi Option to field upgrade to QTRAP 4500 Autosampler with the ability to accommodate multiple vial sizes.