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Clicking on any metabolite link will take you to the Human Metabolome Database.
Displaying metabolites 81 - 100 of 450 in total
HMDB ID
CAS Number
Name StructureFormula
Average Mass
Monoisotopic Mass
Biospecimen Location
Proline HMDB0000162 structure imageC5H9NO2

115.1305
115.063328537
  • Blood
  • Breast Milk
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Sweat
  • Urine
Propionic acid HMDB0000237 structure imageC3H6O2

74.0785
74.036779436
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Urine
Pyridoxine HMDB0000239 structure imageC8H11NO3

169.1778
169.073893223
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Urine
Pregnenolone HMDB0000253 structure imageC21H32O2

316.4776
316.240230268
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Urine
Pyroglutamic acid HMDB0000267 structure imageC5H7NO3

129.114
129.042593095
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Sweat
  • Urine
Potassium HMDB0000586 structure imageK

39.0983
38.963706861
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Saliva
  • Urine
Propionylcarnitine HMDB0000824 structure imageC10H19NO4

217.265
217.131408096
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Urine
Prostaglandin F2a HMDB0001139 structure imageC20H34O5

354.481
354.240624198
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Urine
Prostaglandin E2 HMDB0001220 structure imageC20H32O5

352.4651
352.224974134
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Urine
Prostaglandin D2 HMDB0001403 structure imageC20H32O5

352.4651
352.224974134
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Urine
Putrescine HMDB0001414 structure imageC4H12N2

88.1515
88.100048394
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Urine
Pyridoxamine HMDB0001431 structure imageC8H12N2O2

168.1931
168.089877638
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Urine
Pyridoxal 5'-phosphate HMDB0001491 structure imageC8H10NO6P

247.1419
247.024573569
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Urine
Pyridoxal HMDB0001545 structure imageC8H9NO3

167.162
167.058243159
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Urine
Progesterone HMDB0001830 structure imageC21H30O2

314.4617
314.224580204
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Urine
Propylene glycol HMDB0001881 structure imageC3H8O2

76.0944
76.0524295
  • Blood
  • Breath
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Sweat
  • Urine
Propanal HMDB0003366 structure imageC3H6O

58.0791
58.041864814
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
Prostaglandin B2 HMDB0004236 structure imageC20H30O4

334.4498
334.214409448
  • Blood
  • Cerebrospinal Fluid (CSF)
Prolylhydroxyproline HMDB0006695 structure imageC10H16N2O4

228.245
228.11100701
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Sweat
  • Urine
Platinum HMDB0013671 structure imagePt

195.084
194.964774449
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Saliva
  • Urine
Displaying metabolites 81 - 100 of 450 in total