Filter by metabolite status (default all):
Clicking on any metabolite link will take you to the Human Metabolome Database.
Displaying metabolites 221 - 240 of 5661 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
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
Maleic acid HMDB0000176 structure imageC4H4O4

116.0722
116.010958616
  • Blood
  • Feces
  • Urine
Caproic acid HMDB0000535 structure imageC6H12O2

116.1583
116.083729628
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Sweat
  • Urine
Isocaproic acid HMDB0000689 structure imageC6H12O2

116.1583
116.083729628
  • Feces
  • Saliva
  • Urine
Levulinic acid HMDB0000720 structure imageC5H8O3

116.1152
116.047344122
  • Blood
  • Feces
  • Saliva
  • Urine
2-Oxovaleric acid HMDB0001865 structure imageC5H8O3

116.1152
116.047344122
  • Blood
  • Urine
D-Proline HMDB0003411 structure imageC5H9NO2

115.1305
115.063328537
  • Urine
2-Heptanone HMDB0003671 structure imageC7H14O

114.1855
114.10446507
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Urine
2-Methylacetoacetic acid HMDB0003771 structure imageC5H8O3

116.116
116.047344118
  • Blood
  • Urine
4-Heptanone HMDB0004814 structure imageC7H14O

114.1855
114.10446507
  • Blood
  • Feces
  • Saliva
  • Urine
Methimazole HMDB0014901 structure imageC4H6N2S

114.169
114.025168892
  • Blood
  • Urine
5-Methyl-2-hexanone HMDB0031549 structure imageC7H14O

114.1855
114.10446507
  • Feces
  • Saliva
  • Urine
Di-2-propenyl sulfide HMDB0036491 structure imageC6H10S

114.209
114.05032101
  • Urine
1-Methylcyclohexanol HMDB0059693 structure imageC7H14O

114.1855
114.10446507
  • Urine
N,N'-Diacetylhydrazine HMDB0060496 structure imageC4H8N2O2

116.1185
116.05857751
  • Blood
  • Urine
N-Mononitrosopiperazine HMDB0061162 structure imageC5H10N2O

114.1457
114.079312952
  • Blood
  • Urine
N-Nitroso-3-hydroxypyrrolidine HMDB0061163 structure imageC4H8N2O2

116.1185
116.05857751
  • Blood
  • Urine
Succinamide ThumbC4H8N2O2

116.12
116.058577506
  • Blood
  • Urine
Displaying metabolites 221 - 240 of 5661 in total