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Clicking on any metabolite link will take you to the Human Metabolome Database.
Displaying metabolites 21 - 40 of 92 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
Creatine HMDB0000064 structure imageC4H9N3O2

131.1332
131.069476547
  • Blood
  • Breast Milk
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Sweat
  • Urine
Choline HMDB0000097 structure imageC5H14NO

104.1708
104.107539075
  • Blood
  • Breast Milk
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Sweat
  • Urine
Fumaric acid HMDB0000134 structure imageC4H4O4

116.0722
116.010958616
  • Blood
  • Breast Milk
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Sweat
  • Urine
Glyceric acid HMDB0000139 structure imageC3H6O4

106.0773
106.02660868
  • Blood
  • 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
Isoleucine HMDB0000172 structure imageC6H13NO2

131.1729
131.094628665
  • Blood
  • Breast Milk
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Sweat
  • Urine
Serine HMDB0000187 structure imageC3H7NO3

105.0926
105.042593095
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Sweat
  • Urine
Succinic acid HMDB0000254 structure imageC4H6O4

118.088
118.02660868
  • Blood
  • Breast Milk
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Sweat
  • Urine
Pyroglutamic acid HMDB0000267 structure imageC5H7NO3

129.114
129.042593095
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Sweat
  • Urine
3-Amino-2-piperidone HMDB0000323 structure imageC5H10N2O

114.1457
114.079312952
  • Sweat
Caproic acid HMDB0000535 structure imageC6H12O2

116.1583
116.083729628
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Sweat
  • Urine
Creatinine HMDB0000562 structure imageC4H7N3O

113.1179
113.058911861
  • Amniotic Fluid
  • Blood
  • Breast Milk
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Sweat
  • Urine
L-Cysteine HMDB0000574 structure imageC3H7NO2S

121.158
121.019749163
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Sweat
  • Urine
Leucine HMDB0000687 structure imageC6H13NO2

131.1729
131.094628665
  • Blood
  • Breast Milk
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Sweat
  • Urine
L-Valine HMDB0000883 structure imageC5H11NO2

117.1463
117.078978601
  • Blood
  • Breast Milk
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Sweat
  • Urine
Aminomalonic acid HMDB0001147 structure imageC3H5NO4

119.0761
119.021857653
  • Feces
  • Sweat
  • Urine
Benzoic acid HMDB0001870 structure imageC7H6O2

122.123
122.036779433
  • Blood
  • Breath
  • Feces
  • Saliva
  • Sweat
  • Urine
Itaconic acid HMDB0002092 structure imageC5H6O4

130.0987
130.02660868
  • Blood
  • Sweat
  • Urine
Displaying metabolites 21 - 40 of 92 in total