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Clicking on any metabolite link will take you to the Human Metabolome Database.
Displaying metabolites 21 - 40 of 37229 in total
HMDB ID
CAS Number
Name StructureFormula
Average Mass
Monoisotopic Mass
Biospecimen Location
7-Dehydrocholesterol HMDB0000032 structure imageC27H44O

384.6377
384.33921603
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Urine
Carnosine HMDB0000033 structure imageC9H14N4O3

226.2325
226.106590334
  • Blood
  • Feces
  • Saliva
  • Urine
Adenine HMDB0000034 structure imageC5H5N5

135.1267
135.054495185
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Urine
Taurocholic acid HMDB0000036 structure imageC26H45NO7S

515.703
515.291673489
  • Bile
  • Blood
  • Feces
  • Urine
Aldosterone HMDB0000037 structure imageC21H28O5

360.444
360.193674006
  • Blood
  • Saliva
  • Urine
Dihydrobiopterin HMDB0000038 structure imageC9H13N5O3

239.2312
239.101839307
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Urine
Butyric acid HMDB0000039 structure imageC4H8O2

88.1051
88.0524295
  • Blood
  • Breast Milk
  • Breath
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Urine
Acetic acid HMDB0000042 structure imageC2H4O2

60.052
60.021129372
  • Blood
  • Breast Milk
  • Breath
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Urine
Betaine HMDB0000043 structure imageC5H12NO2

118.1543
118.086803633
  • Blood
  • Breast Milk
  • Feces
  • Saliva
  • Urine
Ascorbic acid HMDB0000044 structure imageC6H8O6

176.1241
176.032087988
  • Amniotic Fluid
  • Blood
  • Breast Milk
  • Cellular Cytoplasm
  • Cerebrospinal Fluid (CSF)
  • Saliva
  • Urine
Adenosine monophosphate HMDB0000045 structure imageC10H14N5O7P

347.2212
347.063084339
  • Blood
  • Cellular Cytoplasm
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Urine
Melibiose HMDB0000048 structure imageC12H22O11

342.2965
342.116211546
  • Blood
  • Urine
Adenosine HMDB0000050 structure imageC10H13N5O4

267.2413
267.096753929
  • Blood
  • Breast Milk
  • Cellular Cytoplasm
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Urine
Ammonia HMDB0000051 structure imageH3N

17.0305
17.026549101
  • Blood
  • Cellular Cytoplasm
  • Cerebrospinal Fluid (CSF)
  • Urine
Argininosuccinic acid HMDB0000052 structure imageC10H18N4O6

290.2731
290.122634328
  • Blood
  • Feces
  • Urine
Androstenedione HMDB0000053 structure imageC19H26O2

286.4085
286.193280076
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Urine
Bilirubin HMDB0000054 structure imageC33H36N4O6

584.6621
584.263484904
  • Bile
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Urine
beta-Alanine HMDB0000056 structure imageC3H7NO2

89.0932
89.047678473
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Urine
Cyclic AMP HMDB0000058 structure imageC10H12N5O6P

329.2059
329.052519653
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Urine
Acetoacetic acid HMDB0000060 structure imageC4H6O3

102.0886
102.031694058
  • Blood
  • Cellular Cytoplasm
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Urine
Displaying metabolites 21 - 40 of 37229 in total