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Clicking on any metabolite link will take you to the Human Metabolome Database.
Displaying metabolites 41 - 60 of 450 in total
HMDB ID
CAS Number
Name StructureFormula
Average Mass
Monoisotopic Mass
Biospecimen Location
3-Hydroxybutyric acid HMDB0000011 structure imageC4H8O3

104.1045
104.047344122
  • Blood
  • Cellular Cytoplasm
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Urine
4-Pyridoxic acid HMDB0000017 structure imageC8H9NO4

183.1614
183.053157781
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Urine
3-Methoxytyramine HMDB0000022 structure imageC9H13NO2

167.205
167.094628665
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Urine
3,4-Dihydroxyphenylglycol HMDB0000318 structure imageC8H10O4

170.1626
170.057908808
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Urine
3-Hydroxyglutaric acid HMDB0000428 structure imageC5H8O5

148.114
148.037173366
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Urine
3-Hydroxyphenylacetic acid HMDB0000440 structure imageC8H8O3

152.1473
152.047344122
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Urine
3-Methyl-2-oxovaleric acid HMDB0000491 structure imageC6H10O3

130.1418
130.062994186
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Urine
4-Hydroxybenzoic acid HMDB0000500 structure imageC7H6O3

138.122
138.031694053
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Sweat
  • Urine
3-Methylglutaconic acid HMDB0000522 structure imageC6H8O4

144.1253
144.042258744
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Urine
3-Hydroxyvaleric acid HMDB0000531 structure imageC5H10O3

118.1311
118.062994186
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Urine
4-Hydroxybutyric acid HMDB0000710 structure imageC4H8O3

104.1045
104.047344122
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Urine
4-Hydroxyproline HMDB0000725 structure imageC5H9NO3

131.1299
131.058243159
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Urine
3-Hydroxyisovaleric acid HMDB0000754 structure imageC5H10O3

118.1311
118.062994186
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Urine
3-Sulfinoalanine HMDB0000996 structure imageC3H7NO4S

153.157
153.009578407
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
3-Methoxytyrosine HMDB0001434 structure imageC10H13NO4

211.2145
211.084457909
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Urine
3-Nitrotyrosine HMDB0001904 structure imageC9H10N2O5

226.1861
226.05897144
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Urine
3-Methoxy-4-Hydroxyphenylglycol sulfate HMDB0003332 structure imageC9H12O7S

264.252
264.030373428
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Urine
4-Guanidinobutanoic acid HMDB0003464 structure imageC5H11N3O2

145.1597
145.085126611
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Urine
4-Hydroxynonenal HMDB0004362 structure imageC9H16O2

156.2221
156.115029756
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Urine
5-HETE HMDB0011134 structure imageC20H32O3

320.4663
320.23514489
  • Blood
  • Cerebrospinal Fluid (CSF)
Displaying metabolites 41 - 60 of 450 in total