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Clicking on any metabolite link will take you to the Human Metabolome Database.
Displaying metabolites 101 - 120 of 1237 in total
HMDB ID
CAS Number
Name StructureFormula
Average Mass
Monoisotopic Mass
Biospecimen Location
Pyruvic acid HMDB0000243 structure imageC3H4O3

88.0621
88.016043994
  • Blood
  • Breast Milk
  • Cellular Cytoplasm
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Sweat
  • Urine
Riboflavin HMDB0000244 structure imageC17H20N4O6

376.3639
376.138284392
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Urine
Pyrophosphate HMDB0000250 structure imageH4O7P2

177.9751
177.943225506
  • Blood
  • Saliva
  • Urine
Pyroglutamic acid HMDB0000267 structure imageC5H7NO3

129.114
129.042593095
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Sweat
  • Urine
Propyl alcohol HMDB0000820 structure imageC3H8O

60.095
60.057514878
  • Blood
  • Feces
  • Saliva
Pyrocatechol HMDB0000957 structure imageC6H6O2

110.1106
110.036779436
  • Blood
  • Feces
  • Saliva
  • Urine
Purine HMDB0001366 structure imageC5H4N4

120.1121
120.043596148
  • Saliva
Pyrroline hydroxycarboxylic acid HMDB0001369 structure imageC5H7NO3

129.114
129.042593095
  • Saliva
Putrescine HMDB0001414 structure imageC4H12N2

88.1515
88.100048394
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Urine
Propylene glycol HMDB0001881 structure imageC3H8O2

76.0944
76.0524295
  • Blood
  • Breath
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Sweat
  • Urine
Quinic acid HMDB0003072 structure imageC7H12O6

192.1666
192.063388116
  • Blood
  • Feces
  • Saliva
  • Urine
Pyrimidine HMDB0003361 structure imageC4H4N2

80.088
80.037448138
  • Feces
  • Saliva
Propyl acetate HMDB0034237 structure imageC5H10O2

102.1317
102.068079564
  • Feces
  • Saliva
Pulegone HMDB0035604 structure imageC10H16O

152.2334
152.120115134
  • Saliva
Pyrrole HMDB0035924 structure imageC4H5N

67.0892
67.042199165
  • Feces
  • Saliva
Propyl 2-methylpropanoate HMDB0036209 structure imageC7H14O2

130.1849
130.099379692
  • Feces
  • Saliva
Pyro-L-glutaminyl-L-glutamine HMDB0039229 structure imageC10H15N3O5

257.2432
257.101170605
  • Blood
  • Feces
  • Saliva
  • Urine
Propyl butyrate HMDB0039618 structure imageC7H14O2

130.1849
130.099379692
  • Feces
  • Saliva
Pyroglutamylglycine HMDB0061890 structure imageC7H10N2O4

186.1653
186.064056818
  • Blood
  • Feces
  • Saliva
  • Urine
Pyroglutamine HMDB0062558 structure imageC5H8N2O2

128.131
128.058577506
  • Blood
  • Feces
  • Saliva
  • Urine
Displaying metabolites 101 - 120 of 1237 in total