Human Metabolome Database Version 3.5

Browsing metabolites

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HMDB IDDouble
CAS Number
NameDouble Structure FormulaDouble
Average MassDouble
Mono MassDouble
Biofluid Location
L-Malic acid Thumb C4H6O5
134.0874
134.021523302
  • Cellular Cytoplasm
  • Cerebrospinal Fluid (CSF)
  • Blood
  • Urine
Hypoxanthine Thumb C5H4N4O
136.1115
136.03851077
  • Cellular Cytoplasm
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Urine
  • Amniotic Fluid
L-Tyrosine Thumb C9H11NO3
181.1885
181.073893223
  • Urine
  • Cerebrospinal Fluid (CSF)
  • Saliva
  • Blood
L-Phenylalanine Thumb C9H11NO2
165.1891
165.078978601
  • Cerebrospinal Fluid (CSF)
  • Saliva
  • Blood
  • Urine
L-Alanine Thumb C3H7NO2
89.0932
89.047678473
  • Cerebrospinal Fluid (CSF)
  • Saliva
  • Blood
  • Urine
L-Proline Thumb C5H9NO2
115.1305
115.063328537
  • Saliva
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Urine
D-Maltose Thumb C12H22O11
342.2965
342.116211546
  • Urine
  • Blood
Methylamine Thumb CH5N
31.0571
31.042199165
  • Urine
  • Saliva
  • Blood
L-Threonine Thumb C4H9NO3
119.1192
119.058243159
  • Urine
  • Cerebrospinal Fluid (CSF)
  • Saliva
  • Blood
L-Asparagine Thumb C4H8N2O3
132.1179
132.053492132
  • Cerebrospinal Fluid (CSF)
  • Urine
  • Blood
D-Mannose Thumb C6H12O6
180.1559
180.063388116
  • Urine
  • Cerebrospinal Fluid (CSF)
  • Breast Milk
  • Blood
L-Isoleucine Thumb C6H13NO2
131.1729
131.094628665
  • Urine
  • Cerebrospinal Fluid (CSF)
  • Saliva
  • Blood
L-Fucose Thumb C6H12O5
164.1565
164.068473494
  • Breast Milk
  • Blood
  • Urine
Inosinic acid Thumb C10H13N4O8P
348.206
348.047099924
  • Cellular Cytoplasm
  • Cerebrospinal Fluid (CSF)
  • Blood
Maleic acid Thumb C4H4O4
116.0722
116.010958616
  • Urine
  • Blood
L-Histidine Thumb C6H9N3O2
155.1546
155.069476547
  • Urine
  • Cerebrospinal Fluid (CSF)
  • Saliva
  • Blood
L-Dopa Thumb C9H11NO4
197.1879
197.068807845
  • Cerebrospinal Fluid (CSF)
  • Blood
  • Urine
L-Lysine Thumb C6H14N2O2
146.1876
146.105527702
  • Urine
  • Cerebrospinal Fluid (CSF)
  • Saliva
  • Blood
Alpha-Lactose Thumb C12H22O11
342.2965
342.116211546
  • Urine
  • Blood
L-Serine Thumb C3H7NO3
105.0926
105.042593095
  • Cerebrospinal Fluid (CSF)
  • Blood
  • Urine
Inosine triphosphate Thumb C10H15N4O14P3
508.1658
507.979760744
L-Lactic acid Thumb C3H6O3
90.0779
90.031694058
  • Cerebrospinal Fluid (CSF)
  • Cellular Cytoplasm
  • Blood
  • Bile
  • Urine
L-Aspartic acid Thumb C4H7NO4
133.1027
133.037507717
  • Cerebrospinal Fluid (CSF)
  • Urine
  • Saliva
  • Blood
L-Cystine Thumb C6H12N2O4S2
240.3
240.023848262
  • Cerebrospinal Fluid (CSF)
  • Urine
  • Blood
Isocitric acid Thumb C6H8O7
192.1235
192.02700261
  • Urine
  • Semen
  • Cellular Cytoplasm
  • Cerebrospinal Fluid (CSF)
  • Blood