Ultra High-Mass Resolution Paper Spray by Fourier Transform Ion Cyclotron Resonance Mass Spectrometry

Table 4

Compounds identified using paper spray mass spectrometry on urine sample from 27-year-old volunteer. The urine mass spectrum was obtained with both an excitation and detection frequency range of 1.5 MHz.

Compound	Species	Formula	Experimental m/z	Theoretical m/z	Mass measurement error (Δppm)
3-Hexaprenyl-4,5-Dihydroxybenzoic acid	[M + Na]	C37H54O4Na	585.39288	585.39143	2.5
3′-hydroxy-e,e-caroten-3-one	[M + CH3OH + H]	C41H59O3	599.44790	599.44587	3.4
Vitamin D2 3-glucuronide	[M + CH3OH + H]	C35H57O8	605.40328	605.40480	2.5
Coenzyme Q10	[M + K]	C59H90O4K	901.64549	901.64707	1.8