Filter by metabolite status (default all):
Clicking on any metabolite link will take you to the Human Metabolome Database.
Displaying metabolites 81 - 100 of 450 in total
HMDB ID
CAS Number
Name StructureFormula
Average Mass
Monoisotopic Mass
Biospecimen Location
2-Hydroxybutyric acid HMDB0000008 structure imageC4H8O3

104.105
104.047344118
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Sweat
  • Urine
3-Hydroxybutyric acid HMDB0000011 structure imageC4H8O3

104.1045
104.047344122
  • Blood
  • Cellular Cytoplasm
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Urine
(S)-3-Hydroxyisobutyric acid HMDB0000023 structure imageC4H8O3

104.1045
104.047344122
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Urine
Dihydrouracil HMDB0000076 structure imageC4H6N2O2

114.1026
114.042927446
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Urine
Choline HMDB0000097 structure imageC5H14NO

104.1708
104.107539075
  • Blood
  • Breast Milk
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Sweat
  • Urine
gamma-Aminobutyric acid HMDB0000112 structure imageC4H9NO2

103.1198
103.063328537
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Urine
Glyceric acid HMDB0000139 structure imageC3H6O4

106.0773
106.02660868
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Sweat
  • Urine
Serine HMDB0000187 structure imageC3H7NO3

105.0926
105.042593095
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Sweat
  • Urine
Uracil HMDB0000300 structure imageC4H4N2O2

112.0868
112.027277382
  • Amniotic Fluid
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Urine
(R)-3-Hydroxyisobutyric acid HMDB0000336 structure imageC4H8O3

104.1045
104.047344122
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Urine
L-alpha-Aminobutyric acid HMDB0000452 structure imageC4H9NO2

103.1198
103.063328537
  • Blood
  • Breast Milk
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Urine
Creatinine HMDB0000562 structure imageC4H7N3O

113.1179
113.058911861
  • Amniotic Fluid
  • Blood
  • Breast Milk
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Sweat
  • Urine
Malonic acid HMDB0000691 structure imageC3H4O4

104.0615
104.010958616
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Urine
4-Hydroxybutyric acid HMDB0000710 structure imageC4H8O3

104.1045
104.047344122
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Urine
Isovaleric acid HMDB0000718 structure imageC5H10O2

102.1317
102.068079564
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Urine
Histamine HMDB0000870 structure imageC5H9N3

111.1451
111.079647303
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Urine
Silver HMDB0002659 structure imageAg

107.8682
106.90509302
  • Blood
  • Cerebrospinal Fluid (CSF)
Cadmium HMDB0003638 structure imageCd

112.411
113.903358121
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Saliva
  • Urine
2-Heptanone HMDB0003671 structure imageC7H14O

114.1855
114.10446507
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Urine
Palladium HMDB0013670 structure imagePd

106.42
105.903483087
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Saliva
  • Urine
Displaying metabolites 81 - 100 of 450 in total