Skip to main content

Table 2 Multiple reaction monitoring transitions for ion mass > ion product of fragmentation for urine 6-hydroxymelatoninsulfate and the organic acids

From: Reliability of a dried urine test for comprehensive assessment of urine hormones and metabolites

Analyte Transition
6-Hydroxymelatoninsulfate 372.5 > 176.2
d4-6-Hydroxymelatoninsulfate 331.5 > 179.2
Homovanillic acid (HVA) 183.0 > 137.0
d2-Homovanillic acid (d2-HVA) 185.0 > 139.0
Vanillylmandelic acid (VMA) 197.0 > 138.0
d3-Vanillylmandelic acid (d3-VMA) 199.8 > 140.9
Kynurenic acid 190.0 > 144.0
d5-Kynurenic acid 192.0 > 149.0
Xanthurenic acid 206.0 > 160.0
d3-Xanthurenic acid 210.0 > 164.0
Methylmalonic acid (MMA) 117.0 > 73.0
d2-Methylmalonic acid (d2-MMA) 120.0 > 76.0
Pyroglutamic acid 130.0 > 84.0
d5-Pyroglutamic acid 135.0 > 89.0
5-Hydroxyindoleacetic acid (5-HIAA) 192.0 > 146.0