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Clicking on any metabolite link will take you to the Human Metabolome Database.
Displaying metabolites 181 - 200 of 1237 in total
HMDB ID
CAS Number
Name StructureFormula
Average Mass
Monoisotopic Mass
Biospecimen Location
3b-Hydroxy-5-cholenoic acid HMDB0000308 structure imageC24H38O3

374.5567
374.282095082
  • Blood
  • Feces
  • Saliva
  • Urine
4-Hydroxybenzoic acid HMDB0000500 structure imageC7H6O3

138.122
138.031694053
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Sweat
  • Urine
4-Hydroxyphenylpyruvic acid HMDB0000707 structure imageC9H8O4

180.1574
180.042258744
  • Blood
  • Feces
  • Saliva
  • Urine
4-Hydroxybutyric acid HMDB0000710 structure imageC4H8O3

104.1045
104.047344122
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Urine
4-Hydroxyproline HMDB0000725 structure imageC5H9NO3

131.1299
131.058243159
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
  • Urine
3-Sulfinoalanine HMDB0000996 structure imageC3H7NO4S

153.157
153.009578407
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Feces
  • Saliva
4-Methoxyphenylacetic acid HMDB0002072 structure imageC9H10O3

166.1739
166.062994186
  • Blood
  • Saliva
  • Urine
4-Heptanone HMDB0004814 structure imageC7H14O

114.1855
114.10446507
  • Blood
  • Feces
  • Saliva
  • Urine
4-Hydroxybenzyl alcohol HMDB0011724 structure imageC7H8O2

124.1372
124.0524295
  • Feces
  • Saliva
4-Methylbenzoic acid HMDB0029635 structure imageC8H8O2

136.1479
136.0524295
  • Saliva
4-Methylbenzaldehyde HMDB0029638 structure imageC8H8O

120.1485
120.057514878
  • Feces
  • Saliva
4-Methoxybenzaldehyde HMDB0029686 structure imageC8H8O2

136.1479
136.0524295
  • Saliva
4-Methyl-3-penten-2-one, 9CI HMDB0031563 structure imageC6H10O

98.143
98.073164942
  • Feces
  • Saliva
4-Methylbiphenyl HMDB0032610 structure imageC13H12

168.2344
168.093900384
  • Saliva
4-Methyl-2-methylene-1-(1methylethylidene)-cyclohexane HMDB0061811 structure imageC11H18

150.2606
150.140850576
  • Saliva
4-Amino-3-hydroxybutyrate HMDB0061877 structure imageC4H9NO3

119.1192
119.058243159
  • Saliva
4-Acetylbutyrate HMDB0061881 structure imageC6H10O3

130.1418
130.062994186
  • Saliva
4-Methyl-3-heptene HMDB0061911 structure imageC8H16

112.2126
112.125200512
  • Saliva
4-Ethoxy-4-oxobutanoic acid HMDB0061930 structure imageC6H10O4

146.1412
146.057908808
  • Saliva
4-hydroxy-3-nitrophenylacetate HMDB0062403 structure imageC8H7NO5

197.1449
197.032422339
  • Saliva
  • Urine
Displaying metabolites 181 - 200 of 1237 in total