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Clicking on any metabolite link will take you to the Human Metabolome Database.
Displaying metabolites 361 - 380 of 37228 in total
HMDB ID
CAS Number
Name StructureFormula
Average Mass
Monoisotopic Mass
Biospecimen Location
Butyric acid HMDB0000039 structure imageC4H8O2

88.1051
88.0524295
  • Blood
  • Breast Milk
  • Breath
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Urine
Pyruvic acid HMDB0000243 structure imageC3H4O3

88.0621
88.016043994
  • Blood
  • Breast Milk
  • Cellular Cytoplasm
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Sweat
  • Urine
Isobutyric acid HMDB0001873 structure imageC4H8O2

88.1051
88.0524295
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Urine
Acetoin HMDB0003243 structure imageC4H8O2

88.1051
88.0524295
  • Blood
  • Feces
  • Saliva
  • Urine
Strontium HMDB0003642 structure imageSr

87.62
87.905614339
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Saliva
  • Urine
N-Ethylguanidine ThumbC3H9N3

87.1237
87.079647303
  • Blood
Butyl methyl ether ThumbC5H12O

88.15
88.088815006
  • Blood
1,1-Dimethylurea ThumbC3H8N2O

88.11
88.063662886
  • Blood
1,3-Dioxane ThumbC4H8O2

88.106
88.052429498
  • Blood
Dioxane ThumbC4H8O2

88.1051
88.0524295
  • Blood
3-Butene-1,2-diol ThumbC4H8O2

88.106
88.052429498
  • Blood
Amylamine ThumbC5H13N

87.1634
87.104799421
  • Blood
Carbon tetrafluoride ThumbCF4

88.005
87.993612652
  • Blood
Chloroprene ThumbC4H5Cl

88.53
88.0079779
  • Blood
Ethylene carbonate ThumbC3H4O3

88.062
88.016043989
  • Blood
Ethylurea ThumbC3H8N2O

88.11
88.063662886
  • Blood
L-alaninamide ThumbC3H8N2O

88.11
88.063662886
  • Blood
Nitrosoguanidine ThumbCH4N4O

88.07
88.038510765
  • Blood
Tetrahydrothiophene ThumbC4H8S

88.171
88.034670946
  • Blood
Oxamide ThumbC2H4N2O2

88.0654
88.027277382
  • Blood
  • Urine
Displaying metabolites 361 - 380 of 37228 in total