You are using an unsupported browser. Please upgrade your browser to a newer version to get the best experience on Human Metabolome Database.
Filter by metabolite status (default all):
Clicking on any metabolite link will take you to the Human Metabolome Database.
Displaying metabolites 101 - 120 of 450 in total
HMDB ID
CAS Number
Name StructureFormula
Average Mass
Monoisotopic Mass
Biospecimen Location
alpha-Ketoisovaleric acid HMDB0000019 structure imageC5H8O3

116.1152
116.047344122
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Urine
Guanidoacetic acid HMDB0000128 structure imageC3H7N3O2

117.1066
117.053826483
  • Blood
  • Cellular Cytoplasm
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Urine
Fumaric acid HMDB0000134 structure imageC4H4O4

116.0722
116.010958616
  • Blood
  • Breast Milk
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Sweat
  • Urine
Proline HMDB0000162 structure imageC5H9NO2

115.1305
115.063328537
  • Blood
  • Breast Milk
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Sweat
  • Urine
L-Threonine HMDB0000167 structure imageC4H9NO3

119.1192
119.058243159
  • Blood
  • Breast Milk
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Sweat
  • Urine
Methylmalonic acid HMDB0000202 structure imageC4H6O4

118.088
118.02660868
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Urine
Succinic acid HMDB0000254 structure imageC4H6O4

118.088
118.02660868
  • Blood
  • Breast Milk
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Sweat
  • Urine
(S)-3,4-Dihydroxybutyric acid HMDB0000337 structure imageC4H8O4

120.1039
120.042258744
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Urine
2,4-Dihydroxybutanoic acid HMDB0000360 structure imageC4H8O4

120.1039
120.042258744
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Urine
2-Hydroxy-3-methylbutyric acid HMDB0000407 structure imageC5H10O3

118.1311
118.062994186
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Urine
3-Hydroxyvaleric acid HMDB0000531 structure imageC5H10O3

118.1311
118.062994186
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Urine
Caproic acid HMDB0000535 structure imageC6H12O2

116.1583
116.083729628
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Sweat
  • Urine
L-Cysteine HMDB0000574 structure imageC3H7NO2S

121.158
121.019749163
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Sweat
  • Urine
3-Hydroxyisovaleric acid HMDB0000754 structure imageC5H10O3

118.1311
118.062994186
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Urine
L-Valine HMDB0000883 structure imageC5H11NO2

117.1463
117.078978601
  • Blood
  • Breast Milk
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Sweat
  • Urine
Tin HMDB0001960 structure imageH4Sn

122.74
123.933496699
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Saliva
  • Urine
1-Phenylethylamine HMDB0002017 structure imageC8H11N

121.1796
121.089149357
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Urine
Erythritol HMDB0002994 structure imageC4H10O4

122.1198
122.057908808
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Urine
Antimony HMDB0004118 structure imageSb

121.76
120.903818044
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Urine
D-Threitol HMDB0004136 structure imageC4H10O4

122.1198
122.057908808
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Urine
Displaying metabolites 101 - 120 of 450 in total