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. Author manuscript; available in PMC: 2016 Jun 11.
Published in final edited form as: J Chromatogr B Analyt Technol Biomed Life Sci. 2009 May 21;877(26):2746–2754. doi: 10.1016/j.jchromb.2009.05.024

Table 2.

Selected MS parameters for the analysis of selected endocannabinoids and congeners, as reported by Richardson et al. (referenced material includes table heading) [38].

Analyte Retention time
(min)		 Precursor ion
(m/z value)		 Product ion
(m/z value)		 Cone voltage
(eV)		 Collision
energy (eV)
Palmitoyl ethanolamide 6.13 300.26 62.00 35 15
Heptadecanoyl ethanolamide 7.15 314.47 62.00 60 20
Oleoyl ethanolamide 6.51 326.39 62.00 60 20
Virodhamine 1.79 348.33 62.00 35 11
Anandamide 5.43 348.33 62.00 35 11
2-Linoleoyl glycerol 6.32 355.52 263.18 55 15
Arachidonyl ethanolamide-d8 5.43 356.33 62.00 48 21
Arachidonyl glycine 7.85 362.24 287.11 50 15
Noladin ether 6.51 365.20 273.17 63 14
2-Arachidonyl glycerol 6.26 379.24 287.02 55 15
2-Arachidonyl glycerol-d8 6.26 387.35 96.17 43 34

Selected precursor and product m/z values with appropriate retention times, cone and collision voltages used to identify and quantify analytes, using MRM with the LC-MS-MS method.