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Clicking on any metabolite link will take you to the Human Metabolome Database.
Displaying metabolites 321 - 340 of 37228 in total
HMDB ID
CAS Number
Name StructureFormula
Average Mass
Monoisotopic Mass
Biospecimen Location
gamma-Butyrolactone HMDB0000549 structure imageC4H6O2

86.0892
86.036779436
  • Blood
  • Feces
Rubidium HMDB0001327 structure imageRb

85.4678
84.911789341
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Saliva
  • Urine
Piperidine HMDB0034301 structure imageC5H11N

85.1475
85.089149357
  • Blood
  • Feces
  • Saliva
  • Urine
1-Methylpyrrolidine ThumbC5H11N

85.15
85.089149358
  • Blood
2-Butyne-1,4-diol ThumbC4H6O2

86.09
86.036779433
  • Blood
2-Imidazolidone ThumbC3H6N2O

86.094
86.048012821
  • Blood
2,2'-Bioxirane ThumbC4H6O2

86.09
86.036779433
  • Blood
4-Imidazolidinone ThumbC3H6N2O

86.094
86.048012821
  • Blood
2-Oxido-1,2,5-oxadiazol-2-ium ThumbC2H2N2O2

86.05
86.011627312
  • Blood
Acetoacetaldehyde ThumbC4H6O2

86.09
86.036779433
  • Blood
Allyl formate ThumbC4H6O2

86.09
86.036779433
  • Blood
Cyclopentylamine ThumbC5H11N

85.1475
85.089149357
  • Blood
Cyclopropanecarboxylic acid ThumbC4H6O2

86.09
86.036779433
  • Blood
Butanal, 2-oxo- ThumbC4H6O2

86.09
86.036779433
  • Blood
Isothiazole ThumbC3H3NS

85.12
84.998620275
  • Blood
Methacrylic Acid ThumbC4H6O2

86.0892
86.036779436
  • Blood
Methylmalondialdehyde ThumbC4H6O2

86.09
86.036779433
  • Blood
Succinaldehyde ThumbC4H6O2

86.09
86.036779433
  • Blood
Trifluoromethanol ThumbCHF3O

86.013
85.997949141
  • Blood
2-Methylpyrrolidine ThumbC5H11N

85.15
85.089149358
  • Blood
  • Urine
Displaying metabolites 321 - 340 of 37228 in total