Human Metabolome Database: Browsing metabolites

HMDB ID CAS Number	Name	Formula Average Mass Monoisotopic Mass	Biospecimen Location
HMDB0253420	Imidazolidine	C₃H₈N₂ 72.111 72.068748266	Blood
HMDB0247911	Acetone hydrazone	C₃H₈N₂ 72.111 72.068748266	Blood
HMDB0256949	Pyrazolidine	C₃H₈N₂ 72.111 72.068748266	Blood
HMDB0033858 6117-91-5	2-Buten-1-ol	C₄H₈O 72.1057 72.057514878
HMDB0031324 627-27-0	3-Buten-1-ol	C₄H₈O 72.1057 72.057514878
HMDB0003543 123-72-8	Butanal	C₄H₈O 72.1057 72.057514878	Feces
HMDB0034431 558-30-5	2,2-Dimethyloxirane	C₄H₈O 72.1057 72.057514878
HMDB0000474 78-93-3	Butanone	C₄H₈O 72.1057 72.057514878	Blood Breath Feces Saliva Urine
HMDB0000246 109-99-9	Tetrahydrofuran	C₄H₈O 72.1057 72.057514878	Blood
HMDB0031243 78-84-2	2-Methylpropanal	C₄H₈O 72.1057 72.057514878	Feces
HMDB0252443	N'-Amino-N-iminomethanimidamide	CH₄N₄ 72.071 72.043596145	Blood
HMDB0258937	Tetrazoline	CH₄N₄ 72.071 72.043596145	Blood
HMDB0001167 78-98-8	Pyruvaldehyde	C₃H₄O₂ 72.0627 72.021129372	Blood
HMDB0031647 79-10-7	Acrylic acid	C₃H₄O₂ 72.0627 72.021129372	Saliva
HMDB0006112 542-78-9	Malondialdehyde	C₃H₄O₂ 72.0627 72.021129372	Blood
HMDB0249149	beta-propiolactone	C₃H₄O₂ 72.063 72.021129369	Blood
HMDB0244174	1,3-Dioxole	C₃H₄O₂ 72.063 72.021129369	Blood
HMDB0304500	thioacrolein	C₃H₄S 72.13 72.003371303
HMDB0001478 7440-55-3	Gallium	GaH₃ 72.747 71.949056008	Cerebrospinal Fluid (CSF) Saliva Urine
HMDB0243874	1-Ethylaziridine	C₄H₉N 71.123 71.073499294	Blood
HMDB0031641 123-75-1	Pyrrolidine	C₄H₉N 71.121 71.073499293
HMDB0004296 79-06-1	Acrylamide	C₃H₅NO 71.0779 71.037113787
HMDB0245904	3-Hydroxypropionitrile	C₃H₅NO 71.0779 71.037113787	Blood
HMDB0252044	Ethyl isocyanate	C₃H₅NO 71.079 71.037113785	Blood
HMDB0248795	2-Azetidinone	C₃H₅NO 71.079 71.037113785	Blood

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