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Clicking on any metabolite link will take you to the Human Metabolome Database.
Displaying metabolites 121 - 140 of 450 in total
HMDB ID
CAS Number
Name StructureFormula
Average Mass
Monoisotopic Mass
Biospecimen Location
Oleic acid HMDB0000207 structure imageC18H34O2

282.4614
282.255880332
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Urine
Oxoglutaric acid HMDB0000208 structure imageC5H6O5

146.0981
146.021523302
  • Blood
  • Breast Milk
  • Cellular Cytoplasm
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Urine
Ornithine HMDB0000214 structure imageC5H12N2O2

132.161
132.089877638
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Sweat
  • Urine
Norepinephrine HMDB0000216 structure imageC8H11NO3

169.1778
169.073893223
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Urine
Oxalacetic acid HMDB0000223 structure imageC4H4O5

132.0716
132.005873238
  • Blood
  • Cellular Cytoplasm
  • Cerebrospinal Fluid (CSF)
  • Urine
O-Phosphoethanolamine HMDB0000224 structure imageC2H8NO4P

141.063
141.019094261
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Urine
N-Acetylneuraminic acid HMDB0000230 structure imageC11H19NO9

309.2699
309.105981211
  • Blood
  • Breast Milk
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Urine
Normetanephrine HMDB0000819 structure imageC9H13NO3

183.2044
183.089543287
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Urine
Neuraminic acid HMDB0000830 structure imageC9H17NO8

267.2332
267.095416525
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Urine
Neopterin HMDB0000845 structure imageC9H11N5O4

253.2147
253.081103865
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Urine
N-Acetylaspartylglutamic acid HMDB0001067 structure imageC11H16N2O8

304.255
304.090665483
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Urine
N6,N6,N6-Trimethyl-L-lysine HMDB0001325 structure imageC9H20N2O2

188.2673
188.152477894
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Urine
Nicotinic acid HMDB0001488 structure imageC6H5NO2

123.1094
123.032028409
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Urine
Nickel HMDB0002457 structure imageNi

58.6934
57.935347922
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Saliva
  • Urine
Nitrite HMDB0002786 structure imageHNO2

47.0134
47.000728281
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Saliva
  • Urine
Nitrate HMDB0002878 structure imageNO3

62.0049
61.987817871
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Urine
Oxidized glutathione HMDB0003337 structure imageC20H32N6O12S2

612.631
612.151961898
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Saliva
  • Urine
Nitric oxide HMDB0003378 structure imageNO

30.0061
29.997988627
  • Blood
  • Cerebrospinal Fluid (CSF)
N2-gamma-Glutamylglutamine HMDB0011738 structure imageC10H17N3O6

275.2585
275.111735291
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Urine
N-gamma-Glutamylglutamine HMDB0029147 structure imageC10H17N3O6

275.261
275.111735279
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
Displaying metabolites 121 - 140 of 450 in total