api5000The API 5000™ LCMSMS System is 's most sensitive triple quadrupole mass spectrometer for small molecule analysis. Hhest sensitivity triple quadrupole mass spectrometer for small molecule analysis. Lowest limits ofThe SCIEX API 5000 is a hhly sensitive triple quadrupole mass spectrometer desned primarily for quantitative analysis in complex matrices, making it a cornerstone in pharmaceutical, biochemical, and environmental testing