Human Metabolome Database: Browsing metabolites

HMDB ID CAS Number	Name	Formula Average Mass Monoisotopic Mass	Biospecimen Location
HMDB0002786 14797-65-0	Nitrite	HNO₂ 47.0134 47.000728281	Blood Cerebrospinal Fluid (CSF) Saliva Urine
HMDB0256002	Oxophosphanyl	OP 46.973 46.968676618	Blood
HMDB0254650	Methylhydrazine	CH₆N₂ 46.073 46.053098201	Blood
HMDB0000108 64-17-5	Ethanol	C₂H₆O 46.0684 46.041864814	Blood Cerebrospinal Fluid (CSF) Feces Saliva Sweat Urine
HMDB0259825	Vinyl Fluoride	C₂H₃F 46.044 46.02187826	Blood
HMDB0000142 64-18-6	Formic acid	CH₂O₂ 46.0254 46.005479308	Blood Breast Milk Cerebrospinal Fluid (CSF) Feces Saliva Sweat Urine
HMDB0255649	Nitrogen dioxide	NO₂ 46.005 45.992903244	Blood
HMDB0000087 124-40-3	Dimethylamine	C₂H₇N 45.0837 45.057849229	Blood Cerebrospinal Fluid (CSF) Feces Saliva Sweat Urine
HMDB0013231 75-04-7	Ethylamine	C₂H₇N 45.0837 45.057849229	Blood Feces Urine
HMDB0259152	Triazene	H₃N₃ 45.045 45.032697109	Blood
HMDB0252439	Formaldoxime	CH₃NO 45.041 45.021463721	Blood
HMDB0255662	Nitrosomethane	CH₃NO 45.0406 45.021463723	Blood
HMDB0001536 75-12-7	Formamide	CH₃NO 45.0406 45.021463723	Feces
HMDB0304356	formate	CHO₂ 45.0174 44.997654276
HMDB0302225	Scandium	Sc 44.9559 44.955910243
HMDB0031630 74-98-6	Propane	C₃H₈ 44.0956 44.062600256	Saliva
HMDB0252441	Formamidine	CH₄N₂ 44.057 44.037448137	Blood
HMDB0252012	Polyvinyl alcohol	C₂H₄O 44.053 44.026214749	Blood
HMDB0000990 75-07-0	Acetaldehyde	C₂H₄O 44.0526 44.02621475	Blood Cerebrospinal Fluid (CSF) Feces Saliva Sweat Urine
HMDB0255987	Ethylene oxide	C₂H₄O 44.0526 44.02621475	Blood
HMDB0248323	Carbamoyl	CH₂NO 44.033 44.013638688	Blood
HMDB0035807 10024-97-2	Nitrous oxide	N₂O 44.0128 44.001062632
HMDB0001967 124-38-9	Carbon dioxide	CO₂ 44.0095 43.989829244	Blood Urine
HMDB0034769 13460-50-9	Boric acid (HBO2)	BHO₂ 43.818 44.006959742	Saliva
HMDB0248809	Aziridine	C₂H₅N 43.0678 43.042199165	Blood

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