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Clicking on any metabolite link will take you to the Human Metabolome Database.
Displaying metabolites 381 - 400 of 5661 in total
HMDB ID
CAS Number
Name StructureFormula
Average Mass
Monoisotopic Mass
Biospecimen Location
Creatine HMDB0000064 structure imageC4H9N3O2

131.1332
131.069476547
  • 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
Oxalacetic acid HMDB0000223 structure imageC4H4O5

132.0716
132.005873238
  • Blood
  • Cellular Cytoplasm
  • Cerebrospinal Fluid (CSF)
  • Urine
L-Alloisoleucine HMDB0000557 structure imageC6H13NO2

131.1729
131.094628665
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Urine
Ethylmalonic acid HMDB0000622 structure imageC5H8O4

132.1146
132.042258744
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Urine
Leucine HMDB0000687 structure imageC6H13NO2

131.1729
131.094628665
  • Blood
  • Breast Milk
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Sweat
  • Urine
4-Hydroxyproline HMDB0000725 structure imageC5H9NO3

131.1299
131.058243159
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Urine
Propionylglycine HMDB0000783 structure imageC5H9NO3

131.1299
131.058243159
  • Blood
  • Feces
  • Urine
L-Norleucine HMDB0001645 structure imageC6H13NO2

131.1729
131.094628665
  • Blood
  • Feces
  • Urine
Methylsuccinic acid HMDB0001844 structure imageC5H8O4

132.115
132.042258738
  • Blood
  • Feces
  • Saliva
  • Urine
Aminocaproic acid HMDB0001901 structure imageC6H13NO2

131.1729
131.094628665
  • Blood
  • Feces
  • Urine
Dimethylmalonic acid HMDB0002001 structure imageC5H8O4

132.1146
132.042258744
  • Blood
  • Feces
  • Urine
Guanidinopropionic acid HMDB0013222 structure imageC4H9N3O2

131.1332
131.069476547
  • Blood
  • Feces
  • Urine
(±)-erythro-Isoleucine HMDB0033923 structure imageC6H13NO2

131.1729
131.094628665
  • Feces
  • Urine
3-Methyl sulfolene HMDB0059667 structure imageC5H8O2S

132.181
132.02450019
  • Urine
5,6-Dihydro-5-fluorouracil HMDB0060402 structure imageC4H5FN2O2

132.0931
132.033505619
  • Blood
  • Urine
N-(2-Hydroxyethyl)-morpholine HMDB0060650 structure imageC6H13NO2

131.1729
131.094628665
  • Blood
  • Urine
N-Acetyl-beta-alanine HMDB0061880 structure imageC5H9NO3

131.1299
131.058243159
  • Blood
  • Feces
  • Saliva
  • Urine
Alanine betaine ThumbC6H13NO2

131.175
131.094628663
  • Blood
  • Urine
3-Hydroxyproline ThumbC5H9NO3

131.1299
131.058243159
  • Blood
  • Urine
Displaying metabolites 381 - 400 of 5661 in total